Alert archive / Montana / Winter Storm Warnings in 2021
Winter Storm Warning 3, NWS Great Falls, MT
NWS Great Falls, MT issued this winter storm warning at May 18, 2021, 2:36 PM MDT. It took effect at May 19, 2021, 7:19 PM MDT. It was in force for 38 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 18, 2021, 2:36 PM MDT (20:36 UTC)
- In effect from
- May 19, 2021, 7:19 PM MDT
- Expired
- May 21, 2021, 9:00 AM MDT
- In force
- 38 hr
- Issued by
- NWS Great Falls, MT
The text
As transmitted.
033 WWUS45 KTFX 182036 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 236 PM MDT Tue May 18 2021 MTZ009-048-191100- /O.UPG.KTFX.WS.A.0004.210520T0000Z-210522T0000Z/ /O.NEW.KTFX.WS.W.0003.210520T0300Z-210521T1500Z/ Northern Rocky Mountain Front-Southern Rocky Mountain Front- Including the cities of Marias Pass, Bynum, Choteau, Browning, Heart Butte, Logan Pass, and Augusta 236 PM MDT Tue May 18 2021 ...WINTER STORM WARNING IN EFFECT FROM 9 PM WEDNESDAY TO 9 AM MDT FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations of 4 to 8 inches at lower elevations, and 8 to 15 inches in the mountains. Isolated higher amounts. * WHERE...Northern Rocky Mountain Front and Southern Rocky Mountain Front. * WHEN...From 9 PM Wednesday to 9 AM MDT Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Visibility will be reduced below one half mile at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... Do not touch downed lines and report any power outages to your electric company. Travel is highly discouraged due to slick roadways and the possibility of downed trees and power lines. && $$ MTZ014-191100- /O.UPG.KTFX.WS.A.0004.210520T0000Z-210522T0000Z/ /O.NEW.KTFX.WW.Y.0034.210520T0300Z-210521T1500Z/ Central and Southern Lewis and Clark- Including the cities of Rogers Pass, MacDonald Pass, Lincoln, and Flesher Pass 236 PM MDT Tue May 18 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM WEDNESDAY TO 9 AM MDT FRIDAY... * WHAT...Snow expected. Total snow accumulations 1 to 4 inches at lower elevations, and 5 to 10 inches in the mountains. * WHERE...Central and Southern Lewis and Clark County. * WHEN...From 9 PM Wednesday to 9 AM MDT Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for slippery roads. Slow down and use caution while driving. Do not touch downed lines and report any power outages to your electric company. && $$ MTZ010-044>046-049-191100- /O.NEW.KTFX.WW.Y.0034.210520T0300Z-210520T1500Z/ Eastern Glacier-Toole-Liberty-Eastern Pondera-Eastern Teton- Including the cities of Brady, Shelby, Whitlash, Fairfield, Cut Bank, Dutton, Chester, Conrad, and Sunburst 236 PM MDT Tue May 18 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM WEDNESDAY TO 9 AM MDT THURSDAY... * WHAT...Wet snow expected. Total snow accumulations 3 to 6 inches. * WHERE...Eastern Glacier, Eastern Pondera, Eastern Teton, Liberty and Toole Counties. * WHEN...From 9 PM Wednesday to 9 AM MDT Thursday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Visibility will be reduced below one half mile at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for slippery roads. Slow down and use caution while driving. Do not touch downed lines and report any power outages to your electric company. && $$ MTZ012-050-191100- /O.NEW.KTFX.WW.Y.0034.210520T0300Z-210520T1500Z/ Cascade-Judith Basin- Including the cities of Raynesford, Stanford, Cascade, Great Falls, Belt, and Hobson 236 PM MDT Tue May 18 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM WEDNESDAY TO 9 AM MDT THURSDAY... * WHAT...Wet snow expected. Total snow accumulations 1 to 3 inches at lower elevations, and 4 to 8 inches in the mountains. * WHERE...Cascade and Judith Basin Counties. * WHEN...From 9 PM Wednesday to 9 AM MDT Thursday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for slippery roads. Slow down and use caution while driving. && $$ MTZ052-191100- /O.NEW.KTFX.WW.Y.0034.210520T0300Z-210520T1500Z/ Jefferson- Including the cities of Boulder, Elk Park Pass, Boulder Hill, Montana City, and Whitehall 236 PM MDT Tue May 18 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM WEDNESDAY TO 9 AM MDT THURSDAY... * WHAT...Wet snow expected. Total snow accumulations 1 to 3 inches. Isolated higher amounts in the mountains. * WHERE...Jefferson County. * WHEN...From 9 PM Wednesday to 9 AM MDT Thursday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for slippery roads. Slow down and use caution while driving. && $$
11 follow-up statements
689 WWUS45 KTFX 182041 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 241 PM MDT Tue May 18 2021 MTZ009-048-191100- /O.CON.KTFX.WS.W.0003.210520T0300Z-210521T1500Z/ Northern Rocky Mountain Front-Southern Rocky Mountain Front- Including the cities of Marias Pass, Bynum, Choteau, Browning, Heart Butte, Logan Pass, and Augusta 241 PM MDT Tue May 18 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 PM WEDNESDAY TO 9 AM MDT FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations of 4 to 8 inches at lower elevations, and 8 to 15 inches in the mountains. Isolated higher amounts. * WHERE...Northern Rocky Mountain Front and Southern Rocky Mountain Front. * WHEN...From 9 PM Wednesday to 9 AM MDT Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Visibility will be reduced below one half mile at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... Do not touch downed lines and report any power outages to your electric company. Travel is highly discouraged due to slick roadways and the possibility of downed trees and power lines. && $$ MTZ010-044>046-049-191100- /O.EXT.KTFX.WW.Y.0034.210520T0300Z-210521T1500Z/ Eastern Glacier-Toole-Liberty-Eastern Pondera-Eastern Teton- Including the cities of Brady, Shelby, Whitlash, Fairfield, Cut Bank, Dutton, Chester, Conrad, and Sunburst 241 PM MDT Tue May 18 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 9 PM WEDNESDAY TO 9 AM MDT FRIDAY... * WHAT...Wet snow expected. Total snow accumulations 3 to 6 inches. * WHERE...Eastern Glacier, Eastern Pondera, Eastern Teton, Liberty and Toole Counties. * WHEN...From 9 PM Wednesday to 9 AM MDT Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Visibility will be reduced below one half mile at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for slippery roads. Slow down and use caution while driving. Do not touch downed lines and report any power outages to your electric company. && $$ MTZ012-050-191100- /O.EXT.KTFX.WW.Y.0034.210520T0300Z-210521T1500Z/ Cascade-Judith Basin- Including the cities of Raynesford, Stanford, Cascade, Great Falls, Belt, and Hobson 241 PM MDT Tue May 18 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 9 PM WEDNESDAY TO 9 AM MDT FRIDAY... * WHAT...Wet snow expected. Total snow accumulations 1 to 3 inches at lower elevations, and 4 to 8 inches in the mountains. * WHERE...Cascade and Judith Basin Counties. * WHEN...From 9 PM Wednesday to 9 AM MDT Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for slippery roads. Slow down and use caution while driving. && $$ MTZ052-191100- /O.EXT.KTFX.WW.Y.0034.210520T0300Z-210521T1500Z/ Jefferson- Including the cities of Boulder, Elk Park Pass, Boulder Hill, Montana City, and Whitehall 241 PM MDT Tue May 18 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 9 PM WEDNESDAY TO 9 AM MDT FRIDAY... * WHAT...Wet snow expected. Total snow accumulations 1 to 3 inches. Isolated higher amounts in the mountains. * WHERE...Jefferson County. * WHEN...From 9 PM Wednesday to 9 AM MDT Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for slippery roads. Slow down and use caution while driving. && $$ MTZ014-191100- /O.CON.KTFX.WW.Y.0034.210520T0300Z-210521T1500Z/ Central and Southern Lewis and Clark- Including the cities of Rogers Pass, MacDonald Pass, Lincoln, and Flesher Pass 241 PM MDT Tue May 18 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM WEDNESDAY TO 9 AM MDT FRIDAY... * WHAT...Snow expected. Total snow accumulations 1 to 4 inches at lower elevations, and 5 to 10 inches in the mountains. * WHERE...Central and Southern Lewis and Clark County. * WHEN...From 9 PM Wednesday to 9 AM MDT Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for slippery roads. Slow down and use caution while driving. Do not touch downed lines and report any power outages to your electric company. && $$
546 WWUS45 KTFX 190241 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 841 PM MDT Tue May 18 2021 MTZ009-048-191500- /O.CON.KTFX.WS.W.0003.210520T0300Z-210521T1500Z/ Northern Rocky Mountain Front-Southern Rocky Mountain Front- Including the cities of Marias Pass, Bynum, Choteau, Browning, Heart Butte, Logan Pass, and Augusta 841 PM MDT Tue May 18 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 PM WEDNESDAY TO 9 AM MDT FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations of 4 to 9 inches at lower elevations, and 10 to 20 inches in the mountains. Isolated higher amounts. * WHERE...Northern Rocky Mountain Front and Southern Rocky Mountain Front. * WHEN...From 9 PM Wednesday to 9 AM MDT Friday. * IMPACTS...The wet and heavy nature of the snow could cause isolated power outages and damage trees or vegetation that have fully leaved out. Agricultural interest, especially those with newborn or young livestock, could be extremely impacted due to the duration of wet conditions and cold temperatures. Roads, especially bridges and overpasses, will likely become slick and hazardous. The wet and raw conditions could lead to hypothermia in the backcountry if not adequately prepared. * ADDITIONAL DETAILS...Visibility will be reduced below one half mile at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... Do not touch downed lines and report any power outages to your electric company. Travel is highly discouraged due to slick roadways and the possibility of downed trees and power lines. && $$ MTZ010-044>046-049-191500- /O.CON.KTFX.WW.Y.0034.210520T0300Z-210521T1500Z/ Eastern Glacier-Toole-Liberty-Eastern Pondera-Eastern Teton- Including the cities of Brady, Shelby, Whitlash, Fairfield, Cut Bank, Dutton, Chester, Conrad, and Sunburst 841 PM MDT Tue May 18 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM WEDNESDAY TO 9 AM MDT FRIDAY... * WHAT...Wet snow expected. Total snow accumulations 3 to 6 inches. * WHERE...Eastern Glacier, Eastern Pondera, Eastern Teton, Liberty and Toole Counties. * WHEN...From 9 PM Wednesday to 9 AM MDT Friday. * IMPACTS...The wet and heavy nature of the snow could cause isolated power outages and damage trees or vegetation that have fully leaved out. Agricultural interest, especially those with newborn or young livestock, could be extremely impacted due to the duration of wet conditions and cold temperatures. Roads, especially bridges and overpasses, will likely become slick and hazardous. The wet and raw conditions could lead to hypothermia in the backcountry if not adequately prepared. * ADDITIONAL DETAILS...Visibility will be reduced below one half mile at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for slippery roads. Slow down and use caution while driving. Do not touch downed lines and report any power outages to your electric company. && $$ MTZ012-050-191500- /O.CON.KTFX.WW.Y.0034.210520T0300Z-210521T1500Z/ Cascade-Judith Basin- Including the cities of Raynesford, Stanford, Cascade, Great Falls, Belt, and Hobson 841 PM MDT Tue May 18 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM WEDNESDAY TO 9 AM MDT FRIDAY... * WHAT...Wet snow expected. Total snow accumulations 1 to 3 inches at lower elevations, and 4 to 8 inches in the mountains. * WHERE...Cascade and Judith Basin Counties. * WHEN...From 9 PM Wednesday to 9 AM MDT Friday. * IMPACTS...Roads, especially bridges and overpasses, will likely become slick and hazardous. The wet and raw conditions could lead to hypothermia in the backcountry if not adequately prepared. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for slippery roads. Slow down and use caution while driving. && $$ MTZ014-191500- /O.CON.KTFX.WW.Y.0034.210520T0300Z-210521T1500Z/ Central and Southern Lewis and Clark- Including the cities of Rogers Pass, MacDonald Pass, Lincoln, and Flesher Pass 841 PM MDT Tue May 18 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM WEDNESDAY TO 9 AM MDT FRIDAY... * WHAT...Snow expected. Total snow accumulations 1 to 4 inches at lower elevations, and 5 to 10 inches in the mountains. Isolated amounts approaching 16 inches near Rogers Pass are possible. * WHERE...Central and Southern Lewis and Clark County. * WHEN...From 9 PM Wednesday to 9 AM MDT Friday. * IMPACTS...The wet and heavy nature of the snow could cause isolated power outages and damage trees or vegetation that have fully leaved out. Agricultural interest, especially those with newborn or young livestock, could be extremely impacted due to the duration of wet conditions and cold temperatures. Roads, especially bridges and overpasses, will likely become slick and hazardous. The wet and raw conditions could lead to hypothermia in the backcountry if not adequately prepared. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for slippery roads. Slow down and use caution while driving. Do not touch downed lines and report any power outages to your electric company. && $$ MTZ052-191500- /O.CON.KTFX.WW.Y.0034.210520T0300Z-210521T1500Z/ Jefferson- Including the cities of Boulder, Elk Park Pass, Boulder Hill, Montana City, and Whitehall 841 PM MDT Tue May 18 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM WEDNESDAY TO 9 AM MDT FRIDAY... * WHAT...Wet snow expected. Total snow accumulations 1 to 4 inches. Isolated higher amounts in the mountains. * WHERE...Jefferson County. * WHEN...From 9 PM Wednesday to 9 AM MDT Friday. * IMPACTS...Roads, especially bridges and overpasses, will likely become slick and hazardous. The wet and raw conditions could lead to hypothermia in the backcountry if not adequately prepared. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for slippery roads. Slow down and use caution while driving. && $$ Moldan
589 WWUS45 KTFX 190830 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 230 AM MDT Wed May 19 2021 MTZ009-048-192200- /O.CON.KTFX.WS.W.0003.210520T0300Z-210521T1500Z/ Northern Rocky Mountain Front-Southern Rocky Mountain Front- Including the cities of Marias Pass, Bynum, Choteau, Browning, Heart Butte, Logan Pass, and Augusta 230 AM MDT Wed May 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MDT FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations of 4 to 9 inches at lower elevations. In the mountains, 10 to 20 inches of snow are expected, with isolated higher amounts. * WHERE...Northern Rocky Mountain Front and Southern Rocky Mountain Front. * WHEN...From 9 PM this evening to 9 AM MDT Friday. * IMPACTS...The wet and heavy nature of the snow could cause isolated power outages and damage trees or vegetation that have fully leaved out. Agricultural interest, especially those with newborn or young livestock, could be extremely impacted due to the duration of wet conditions and cold temperatures. Roads, especially bridges and overpasses, will likely become slick and hazardous. The wet and raw conditions could lead to hypothermia in the backcountry if not adequately prepared. * ADDITIONAL DETAILS...Visibility will be reduced below one half mile at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... Do not touch downed lines and report any power outages to your electric company. Travel is highly discouraged due to slick roadways and the possibility of downed trees and power lines. && $$ MTZ010-044>046-049-192200- /O.CON.KTFX.WW.Y.0034.210520T0300Z-210521T1500Z/ Eastern Glacier-Toole-Liberty-Eastern Pondera-Eastern Teton- Including the cities of Brady, Shelby, Whitlash, Fairfield, Cut Bank, Dutton, Chester, Conrad, and Sunburst 230 AM MDT Wed May 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MDT FRIDAY... * WHAT...Snow expected. Total snow accumulations of 1 to 8 inches. * WHERE...Eastern Glacier, Eastern Pondera, Eastern Teton, Liberty and Toole Counties. * WHEN...From 9 PM this evening to 9 AM MDT Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...The heavy, wet nature of the snow may cause damages to power lines and trees or other vegetation that has fully leafed out. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury. Do not touch downed lines and report any power outages to your electric company. && $$ MTZ012-050-192200- /O.CON.KTFX.WW.Y.0034.210520T0300Z-210521T1500Z/ Cascade-Judith Basin- Including the cities of Raynesford, Stanford, Cascade, Great Falls, Belt, and Hobson 230 AM MDT Wed May 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MDT FRIDAY... * WHAT...Wet snow expected. Total snow accumulations of 1 to 3 inches in the lower elevations, with up to 6 inches in the mountains. * WHERE...Cascade and Judith Basin Counties. * WHEN...From 9 PM this evening to 9 AM MDT Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...The heavy, wet nature of the snow may cause damages to power lines and trees or other vegetation that has fully leafed out. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury. Do not touch downed lines and report any power outages to your electric company. && $$ MTZ014-192200- /O.CON.KTFX.WW.Y.0034.210520T0300Z-210521T1500Z/ Central and Southern Lewis and Clark- Including the cities of Rogers Pass, MacDonald Pass, Lincoln, and Flesher Pass 230 AM MDT Wed May 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MDT FRIDAY... * WHAT...Snow expected. Total snow accumulations 1 to 4 inches at lower elevations, and 5 to 10 inches in the mountains. Isolated amounts approaching 16 inches near Rogers Pass are possible. * WHERE...Central and Southern Lewis and Clark County. * WHEN...From 9 PM this evening to 9 AM MDT Friday. * IMPACTS...The wet and heavy nature of the snow could cause isolated power outages and damage trees or vegetation that have fully leaved out. Agricultural interests, especially those with newborn or young livestock, could be extremely impacted due to the duration of wet conditions and cold temperatures. Roads, especially bridges and overpasses, will likely become slick and hazardous. The wet and raw conditions could lead to hypothermia in the backcountry if not adequately prepared. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for slippery roads. Slow down and use caution while driving. Do not touch downed lines and report any power outages to your electric company. && $$ MTZ052-192200- /O.CON.KTFX.WW.Y.0034.210520T0300Z-210521T1500Z/ Jefferson- Including the cities of Boulder, Elk Park Pass, Boulder Hill, Montana City, and Whitehall 230 AM MDT Wed May 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MDT FRIDAY... * WHAT...Wet snow expected. Total snow accumulations 1 to 4 inches. Isolated higher amounts in the mountains. * WHERE...Jefferson County. * WHEN...From 9 PM this evening to 9 AM MDT Friday. * IMPACTS...Roads, especially bridges and overpasses, will likely become slick and hazardous. The wet and raw conditions could lead to hypothermia in the backcountry if not adequately prepared. * ADDITIONAL DETAILS...The heavy, wet nature of the snow may cause damages to power lines and trees or other vegetation that has fully leafed out. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for slippery roads. Slow down and use caution while driving. Do not touch downed lines and report any power outages to your electric company. && $$ ML
616 WWUS45 KTFX 192054 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 254 PM MDT Wed May 19 2021 MTZ009-048-201100- /O.CON.KTFX.WS.W.0003.210520T0300Z-210521T1500Z/ Northern Rocky Mountain Front-Southern Rocky Mountain Front- Including the cities of Marias Pass, Bynum, Choteau, Browning, Heart Butte, Logan Pass, and Augusta 254 PM MDT Wed May 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MDT FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations of 5 to 10 inches at lower elevations. In the mountains, 10 to 20 inches of snow are expected, with isolated higher amounts. * WHERE...Northern Rocky Mountain Front and Southern Rocky Mountain Front. * WHEN...From 9 PM this evening to 9 AM MDT Friday. * IMPACTS...Isolated tree or power line damage is possible. Visibility will be poor at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... Travel will be difficult at times. && $$ MTZ010-044>046-049-201100- /O.EXT.KTFX.WW.Y.0034.210520T0900Z-210521T1500Z/ Eastern Glacier-Toole-Liberty-Eastern Pondera-Eastern Teton- Including the cities of Brady, Shelby, Whitlash, Fairfield, Cut Bank, Dutton, Chester, Conrad, and Sunburst 254 PM MDT Wed May 19 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 3 AM THURSDAY TO 9 AM MDT FRIDAY... * WHAT...Snow expected. Total snow accumulations of 4 to 9 inches. * WHERE...Eastern Glacier, Eastern Pondera, Eastern Teton, Liberty and Toole Counties. * WHEN...From 3 AM Thursday to 9 AM MDT Friday. * IMPACTS...Isolated tree or power line damage is possible. Visibility will be poor at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... Roadways could be snow covered and slippery at times. && $$ MTZ012-050-201100- /O.CON.KTFX.WW.Y.0034.210520T0300Z-210521T1500Z/ Cascade-Judith Basin- Including the cities of Raynesford, Stanford, Cascade, Great Falls, Belt, and Hobson 254 PM MDT Wed May 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MDT FRIDAY... * WHAT...Wet snow expected. Total snow accumulations of 1 to 3 inches in the lower elevations, with up to 6 inches in the mountains. * WHERE...Cascade and Judith Basin Counties. * WHEN...From 9 PM this evening to 9 AM MDT Friday. * IMPACTS...Isolated tree or power line damage is possible. Visibility will be poor at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... Roadways could be snow covered and slippery at times. && $$ MTZ014-201100- /O.CON.KTFX.WW.Y.0034.210520T0300Z-210521T1500Z/ Central and Southern Lewis and Clark- Including the cities of Rogers Pass, MacDonald Pass, Lincoln, and Flesher Pass 254 PM MDT Wed May 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MDT FRIDAY... * WHAT...Snow expected. Total snow accumulations 1 to 4 inches at lower elevations, and 5 to 10 inches in the mountains. Isolated amounts near Rogers Pass. * WHERE...Central and Southern Lewis and Clark County. * WHEN...From 9 PM this evening to 9 AM MDT Friday. * IMPACTS...Isolated tree or power line damage is possible. Visibility will be poor at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... Roadways could be snow covered and slippery at times. && $$ MTZ052-201100- /O.CON.KTFX.WW.Y.0034.210520T0300Z-210521T1500Z/ Jefferson- Including the cities of Boulder, Elk Park Pass, Boulder Hill, Montana City, and Whitehall 254 PM MDT Wed May 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MDT FRIDAY... * WHAT...Wet snow expected. Total snow accumulations 1 to 4 inches. Isolated higher amounts in the mountains. * WHERE...Jefferson County. * WHEN...From 9 PM this evening to 9 AM MDT Friday. * IMPACTS...Visibility will be poor at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for slippery roads. && $$
548 WWUS45 KTFX 200119 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 719 PM MDT Wed May 19 2021 MTZ014-201100- /O.UPG.KTFX.WW.Y.0034.210520T0300Z-210521T1500Z/ /O.EXB.KTFX.WS.W.0003.210520T0119Z-210521T1500Z/ Central and Southern Lewis and Clark- Including the cities of Rogers Pass, MacDonald Pass, Lincoln, and Flesher Pass 719 PM MDT Wed May 19 2021 THIS REPLACES THE WINTER WEATHER ADVISORY ...WINTER STORM WARNING IN EFFECT UNTIL 9 AM MDT FRIDAY... * WHAT...Heavy snow is occurring. Total snow accumulations of 5 to 10 inches expected. * WHERE...Central and Southern Lewis and Clark County. * WHEN...Until 9 AM MDT Friday. * IMPACTS...Travel could be difficult due to slippery roads and reduced visibility. Tree and or power line damage is possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Do not touch downed lines and report any power outages to your electric company. && $$ MTZ009-048-201100- /O.CON.KTFX.WS.W.0003.210520T0300Z-210521T1500Z/ Northern Rocky Mountain Front-Southern Rocky Mountain Front- Including the cities of Marias Pass, Bynum, Choteau, Browning, Heart Butte, Logan Pass, and Augusta 719 PM MDT Wed May 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM MDT FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations of 5 to 10 inches at lower elevations. In the mountains, 10 to 20 inches of snow are expected, with isolated higher amounts. * WHERE...Northern Rocky Mountain Front and Southern Rocky Mountain Front Counties. * WHEN...Until 9 AM MDT Friday. * IMPACTS...Travel could be difficult due to slippery roads and reduced visibility. Tree and or power line damage is possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Do not touch downed lines and report any power outages to your electric company. && $$ MTZ012-050-201100- /O.CON.KTFX.WW.Y.0034.210520T0300Z-210521T1500Z/ Cascade-Judith Basin- Including the cities of Raynesford, Stanford, Cascade, Great Falls, Belt, and Hobson 719 PM MDT Wed May 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT FRIDAY... * WHAT...Wet snow expected. Total snow accumulations of 1 to 3 inches in the lower elevations, with up to 6 inches in the mountains. * WHERE...Cascade and Judith Basin Counties. * WHEN...Until 9 AM MDT Friday. * IMPACTS...Isolated tree or power line damage is possible. Visibility will be poor at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... Roadways could be snow covered and slippery at times. && $$ MTZ052-201100- /O.CON.KTFX.WW.Y.0034.210520T0300Z-210521T1500Z/ Jefferson- Including the cities of Boulder, Elk Park Pass, Boulder Hill, Montana City, and Whitehall 719 PM MDT Wed May 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT FRIDAY... * WHAT...Wet snow expected. Total snow accumulations 1 to 4 inches. Isolated higher amounts in the mountains. * WHERE...Jefferson County. * WHEN...Until 9 AM MDT Friday. * IMPACTS...Visibility will be poor at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for slippery roads. && $$ MTZ010-044>046-049-201100- /O.CON.KTFX.WW.Y.0034.210520T0900Z-210521T1500Z/ Eastern Glacier-Toole-Liberty-Eastern Pondera-Eastern Teton- Including the cities of Brady, Shelby, Whitlash, Fairfield, Cut Bank, Dutton, Chester, Conrad, and Sunburst 719 PM MDT Wed May 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 AM THURSDAY TO 9 AM MDT FRIDAY... * WHAT...Snow expected. Total snow accumulations of 4 to 9 inches. * WHERE...Eastern Glacier, Eastern Pondera, Eastern Teton, Liberty and Toole Counties. * WHEN...From 3 AM Thursday to 9 AM MDT Friday. * IMPACTS...Isolated tree or power line damage is possible. Visibility will be poor at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... Roadways could be snow covered and slippery at times. && $$ RG
731 WWUS45 KTFX 200139 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 739 PM MDT Wed May 19 2021 MTZ014-201100- /O.CON.KTFX.WS.W.0003.000000T0000Z-210521T1500Z/ Central and Southern Lewis and Clark- Including the cities of Rogers Pass, MacDonald Pass, Lincoln, and Flesher Pass 739 PM MDT Wed May 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM MDT FRIDAY... * WHAT...Heavy snow is occurring. Total snow accumulations of 5 to 10 inches expected. * WHERE...Central and Southern Lewis and Clark County. * WHEN...Until 9 AM MDT Friday. * IMPACTS...Travel could be difficult due to slippery roads and reduced visibility. Tree and or power line damage is possible. * ADDITIONAL DETAILS...The heaviest snow and most impacts will occur along and northwest of the highway 200 road segment that runs from Bowman's corner to Roger's Pass. Lower snow totals and less impacts can be expected elsewhere. PRECAUTIONARY/PREPAREDNESS ACTIONS... The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Do not touch downed lines and report any power outages to your electric company. && $$ MTZ009-048-201100- /O.CON.KTFX.WS.W.0003.210520T0300Z-210521T1500Z/ Northern Rocky Mountain Front-Southern Rocky Mountain Front- Including the cities of Marias Pass, Bynum, Choteau, Browning, Heart Butte, Logan Pass, and Augusta 739 PM MDT Wed May 19 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM MDT FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations of 5 to 10 inches at lower elevations. In the mountains, 10 to 20 inches of snow are expected, with isolated higher amounts. * WHERE...Northern Rocky Mountain Front and Southern Rocky Mountain Front Counties. * WHEN...Until 9 AM MDT Friday. * IMPACTS...Travel could be difficult due to slippery roads and reduced visibility. Tree and or power line damage is possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Do not touch downed lines and report any power outages to your electric company. && $$ MTZ012-050-201100- /O.CON.KTFX.WW.Y.0034.210520T0300Z-210521T1500Z/ Cascade-Judith Basin- Including the cities of Raynesford, Stanford, Cascade, Great Falls, Belt, and Hobson 739 PM MDT Wed May 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT FRIDAY... * WHAT...Wet snow expected. Total snow accumulations of 1 to 3 inches in the lower elevations, with up to 6 inches in the mountains. * WHERE...Cascade and Judith Basin Counties. * WHEN...Until 9 AM MDT Friday. * IMPACTS...Isolated tree or power line damage is possible. Visibility will be poor at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... Roadways could be snow covered and slippery at times. && $$ MTZ052-201100- /O.CON.KTFX.WW.Y.0034.210520T0300Z-210521T1500Z/ Jefferson- Including the cities of Boulder, Elk Park Pass, Boulder Hill, Montana City, and Whitehall 739 PM MDT Wed May 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT FRIDAY... * WHAT...Wet snow expected. Total snow accumulations 1 to 4 inches. Isolated higher amounts in the mountains. * WHERE...Jefferson County. * WHEN...Until 9 AM MDT Friday. * IMPACTS...Visibility will be poor at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for slippery roads. && $$ MTZ010-044>046-049-201100- /O.CON.KTFX.WW.Y.0034.210520T0900Z-210521T1500Z/ Eastern Glacier-Toole-Liberty-Eastern Pondera-Eastern Teton- Including the cities of Brady, Shelby, Whitlash, Fairfield, Cut Bank, Dutton, Chester, Conrad, and Sunburst 739 PM MDT Wed May 19 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 AM THURSDAY TO 9 AM MDT FRIDAY... * WHAT...Snow expected. Total snow accumulations of 4 to 9 inches. * WHERE...Eastern Glacier, Eastern Pondera, Eastern Teton, Liberty and Toole Counties. * WHEN...From 3 AM Thursday to 9 AM MDT Friday. * IMPACTS...Isolated tree or power line damage is possible. Visibility will be poor at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... Roadways could be snow covered and slippery at times. && $$ RG
009 WWUS45 KTFX 200819 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 219 AM MDT Thu May 20 2021 MTZ009-048-202130- /O.CON.KTFX.WS.W.0003.000000T0000Z-210521T1500Z/ Northern Rocky Mountain Front-Southern Rocky Mountain Front- Including the cities of Marias Pass, Bynum, Choteau, Browning, Heart Butte, Logan Pass, and Augusta 219 AM MDT Thu May 20 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM MDT FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations of 5 to 12 inches at lower elevations. In the mountains, 12 to 24 inches of snow are expected, with isolated higher amounts. * WHERE...Northern Rocky Mountain Front and Southern Rocky Mountain Front Counties. * WHEN...Until 9 AM MDT Friday. * IMPACTS...Travel will be difficult due to slippery roads and reduced visibility. Tree and or power line damage is expected. * ADDITIONAL DETAILS...Visibility will be reduced below one half mile at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. Do not touch downed lines and report any power outages to your electric company. && $$ MTZ014-202130- /O.CON.KTFX.WS.W.0003.000000T0000Z-210521T1500Z/ Central and Southern Lewis and Clark- Including the cities of Rogers Pass, MacDonald Pass, Lincoln, and Flesher Pass 219 AM MDT Thu May 20 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM MDT FRIDAY... * WHAT...Heavy snow is occurring. Total snow accumulations of 5 to 12 inches expected. Along the Continental Divide and immediate east slopes, 12 to 18 inches snow accumulation is expected. * WHERE...Central and Southern Lewis and Clark County. The Winter Storm Warning does not include the Helena Valley and Lincoln, where only advisory level criteria are likely. * WHEN...Until 9 AM MDT Friday. * IMPACTS...Travel could be difficult due to slippery roads and reduced visibility. Tree and or power line damage is possible. * ADDITIONAL DETAILS...The heaviest snow and most impacts will occur along and northwest of Montana Highway 200 from Bowman's corner to Rogers Pass. Lower snow accumulations and lesser impacts can be expected elsewhere. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ MTZ012-050-202130- /O.CON.KTFX.WW.Y.0034.000000T0000Z-210521T1500Z/ Cascade-Judith Basin- Including the cities of Raynesford, Stanford, Cascade, Great Falls, Belt, and Hobson 219 AM MDT Thu May 20 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT FRIDAY... * WHAT...Wet snow expected. Total snow accumulations of 2 to 5 inches at lower elevations, with up to 10 inches mainly in the mountains. * WHERE...Cascade and Judith Basin Counties. * WHEN...Until 9 AM MDT Friday. * IMPACTS...Isolated tree or power line damage is possible. Visibility will be poor at times. * ADDITIONAL DETAILS...The heavy, wet nature of the snow may cause damages to power lines and trees or other vegetation that have fully leafed out. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury. && $$ MTZ052-202130- /O.CON.KTFX.WW.Y.0034.000000T0000Z-210521T1500Z/ Jefferson- Including the cities of Boulder, Elk Park Pass, Boulder Hill, Montana City, and Whitehall 219 AM MDT Thu May 20 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT FRIDAY... * WHAT...Snow. Additional snow accumulations of 1 to 7 inches. Highest snow accumulations of 4 to 7 inches expected along the Interstate 15 corridor as well as Interstate 90 at Homestake Pass. * WHERE...Jefferson County. * WHEN...Until 9 AM MDT Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Visibility will be poor at times. * ADDITIONAL DETAILS...The heavy, wet nature of the snow may cause damages to power lines and trees or other vegetation that has fully leafed out. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury. && $$ MTZ010-044>046-049-202130- /O.CON.KTFX.WW.Y.0034.210520T0900Z-210521T1500Z/ Eastern Glacier-Toole-Liberty-Eastern Pondera-Eastern Teton- Including the cities of Brady, Shelby, Whitlash, Fairfield, Cut Bank, Dutton, Chester, Conrad, and Sunburst 219 AM MDT Thu May 20 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT FRIDAY... * WHAT...Snow expected. Total snow accumulations of 2 to 9 inches, highest west of Interstate 15. * WHERE...Eastern Glacier, Eastern Pondera, Eastern Teton, Liberty and Toole Counties. * WHEN...Until 9 AM MDT Friday. * IMPACTS...Isolated tree or power line damage is possible. Visibility will be poor at times. * ADDITIONAL DETAILS...The heavy, wet nature of the snow may cause damages to power lines and trees or other vegetation that has fully leafed out. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for slippery roads. Slow down and use caution while driving. If you are going outside, watch your first few steps taken on stairs, sidewalks, and driveways. These surfaces could be icy and slippery, increasing your risk of a fall and injury. && $$ CC
076 WWUS45 KTFX 201356 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 756 AM MDT Thu May 20 2021 MTZ009-048-202200- /O.CON.KTFX.WS.W.0003.000000T0000Z-210521T1500Z/ Northern Rocky Mountain Front-Southern Rocky Mountain Front- Including the cities of Marias Pass, Bynum, Choteau, Browning, Heart Butte, Logan Pass, and Augusta 756 AM MDT Thu May 20 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM MDT FRIDAY... * WHAT...Heavy snow. Areas of blowing snow. Additional snow accumulations of 4 to 11 inches, with isolated higher amounts. Winds gusting as high as 35 mph. * WHERE...Northern Rocky Mountain Front and Southern Rocky Mountain Front * WHEN...Until 9 AM MDT Friday. * IMPACTS...Expect snow covered roads and poor visibility. * ADDITIONAL DETAILS...Tree or power line damage is possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Travel is discouraged due to slippery roadways and the possibility of downed trees and power lines. && $$ MTZ014-202200- /O.CON.KTFX.WS.W.0003.000000T0000Z-210521T1500Z/ Central and Southern Lewis and Clark- Including the cities of Rogers Pass, MacDonald Pass, Lincoln, and Flesher Pass 756 AM MDT Thu May 20 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM MDT FRIDAY... * WHAT...Heavy snow. Additional snow accumulations of 4 to 9 inches in the mountains and up to 12 inches over Rogers Pass. Only 1 to 3 inches in the Helena valley. * WHERE...Central and Southern Lewis and Clark County. * WHEN...Until 9 AM MDT Friday. * IMPACTS...Travel could be difficult at times. * ADDITIONAL DETAILS...Tree or power line damage is possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for slippery roads. Slow down and use caution while driving. && $$ MTZ010-044>046-049-202200- /O.CON.KTFX.WW.Y.0034.000000T0000Z-210521T1500Z/ Eastern Glacier-Toole-Liberty-Eastern Pondera-Eastern Teton- Including the cities of Brady, Shelby, Whitlash, Fairfield, Cut Bank, Dutton, Chester, Conrad, and Sunburst 756 AM MDT Thu May 20 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT FRIDAY... * WHAT...Snow. Additional snow accumulations of 3 to 7 inches. * WHERE...Eastern Glacier, Eastern Pondera, Eastern Teton, Liberty and Toole Counties. * WHEN...Until 9 AM MDT Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slippery and hazardous. * ADDITIONAL DETAILS...Tree or power line damage is possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for slippery roads. Slow down and use caution while driving. && $$ MTZ012-050-202200- /O.CON.KTFX.WW.Y.0034.000000T0000Z-210521T1500Z/ Cascade-Judith Basin- Including the cities of Raynesford, Stanford, Cascade, Great Falls, Belt, and Hobson 756 AM MDT Thu May 20 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT FRIDAY... * WHAT...Snow. Additional snow accumulations of 1 to 3 inches at lower elevations and up to 6 inches in the mountains. * WHERE...Cascade and Judith Basin Counties. * WHEN...Until 9 AM MDT Friday. Most of the accumulating snow will fall overnight tonight at lower elevations. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slippery and hazardous. * ADDITIONAL DETAILS...Tree or power line damage is possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for slippery roads. Slow down and use caution while driving. && $$ MTZ052-202200- /O.CON.KTFX.WW.Y.0034.000000T0000Z-210521T1500Z/ Jefferson- Including the cities of Boulder, Elk Park Pass, Boulder Hill, Montana City, and Whitehall 756 AM MDT Thu May 20 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT FRIDAY... * WHAT...Snow. Additional snow accumulations of 2 to 4 inches. * WHERE...Jefferson County. * WHEN...Until 9 AM MDT Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slippery and hazardous. * ADDITIONAL DETAILS...Tree or power line damage is possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Be prepared for slippery roads. && $$
001 WWUS45 KTFX 202018 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 218 PM MDT Thu May 20 2021 MTZ009-048-211100- /O.CON.KTFX.WS.W.0003.000000T0000Z-210521T1500Z/ Northern Rocky Mountain Front-Southern Rocky Mountain Front- Including the cities of Marias Pass, Bynum, Choteau, Browning, Heart Butte, Logan Pass, and Augusta 218 PM MDT Thu May 20 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM MDT FRIDAY... * WHAT...Heavy snow. Additional snow accumulations of 2 to 4 inches. * WHERE...Northern Rocky Mountain Front and Southern Rocky Mountain Front. * WHEN...Until 9 AM MDT Friday. * IMPACTS...Plan on slippery road conditions. Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Travel is discouraged due to slippery roadways and the possibility of downed trees and power lines. && $$ MTZ014-211100- /O.CON.KTFX.WS.W.0003.000000T0000Z-210521T1500Z/ Central and Southern Lewis and Clark- Including the cities of Rogers Pass, MacDonald Pass, Lincoln, and Flesher Pass 218 PM MDT Thu May 20 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM MDT FRIDAY... * WHAT...Heavy snow. Additional snow accumulations of 2 to 4 inches in the mountains and 1 to 3 inches in the valleys. * WHERE...Central and Southern Lewis and Clark County. * WHEN...Until 9 AM MDT Friday. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while driving. && $$ MTZ010-044>046-049-211100- /O.CON.KTFX.WW.Y.0034.000000T0000Z-210521T1500Z/ Eastern Glacier-Toole-Liberty-Eastern Pondera-Eastern Teton- Including the cities of Brady, Shelby, Whitlash, Fairfield, Cut Bank, Dutton, Chester, Conrad, and Sunburst 218 PM MDT Thu May 20 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT FRIDAY... * WHAT...Snow. Additional snow accumulations of 1 to 3 inches. * WHERE...Eastern Glacier, Eastern Pondera, Eastern Teton, Liberty and Toole Counties. * WHEN...Until 9 AM MDT Friday. * IMPACTS...Patchy blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while driving. && $$ MTZ012-050-211100- /O.CON.KTFX.WW.Y.0034.000000T0000Z-210521T1500Z/ Cascade-Judith Basin- Including the cities of Raynesford, Stanford, Cascade, Great Falls, Belt, and Hobson 218 PM MDT Thu May 20 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT FRIDAY... * WHAT...Snow. Additional snow accumulations of 2 to 4 inches. * WHERE...Cascade and Judith Basin Counties. * WHEN...Until 9 AM MDT Friday. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while driving. && $$ MTZ052-211100- /O.CON.KTFX.WW.Y.0034.000000T0000Z-210521T1500Z/ Jefferson- Including the cities of Boulder, Elk Park Pass, Boulder Hill, Montana City, and Whitehall 218 PM MDT Thu May 20 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT FRIDAY... * WHAT...Snow. Additional snow accumulations of 1 to 3 inches. * WHERE...Jefferson County. * WHEN...Until 9 AM MDT Friday. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. && $$
056 WWUS45 KTFX 211028 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 428 AM MDT Fri May 21 2021 MTZ009-048-211500- /O.CON.KTFX.WS.W.0003.000000T0000Z-210521T1500Z/ Northern Rocky Mountain Front-Southern Rocky Mountain Front- Including the cities of Marias Pass, Bynum, Choteau, Browning, Heart Butte, Logan Pass, and Augusta 428 AM MDT Fri May 21 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM MDT THIS MORNING... * WHAT...Heavy snow. Additional snow accumulations up to two inches on the plains, 1 to 3 inches on mountain passes, and up to 5 inches in the mountains. * WHERE...Northern Rocky Mountain Front and Southern Rocky Mountain Front. * WHEN...Until 9 AM MDT this morning. * IMPACTS...Plan on slippery or snow covered road conditions and reduced visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while driving. && $$ MTZ014-211500- /O.CON.KTFX.WS.W.0003.000000T0000Z-210521T1500Z/ Central and Southern Lewis and Clark- Including the cities of Rogers Pass, MacDonald Pass, Lincoln, and Flesher Pass 428 AM MDT Fri May 21 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM MDT THIS MORNING... * WHAT...Heavy snow. Additional snow accumulations up to one inch in the valleys, 1 to 2 inches on mountain passes, and up to 3 inches in the mountains. * WHERE...Central and Southern Lewis and Clark County. * WHEN...Until 9 AM MDT this morning. * IMPACTS...Plan on slippery or snow covered road conditions and reduced visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while driving. && $$ MTZ010-044>046-049-211500- /O.CON.KTFX.WW.Y.0034.000000T0000Z-210521T1500Z/ Eastern Glacier-Toole-Liberty-Eastern Pondera-Eastern Teton- Including the cities of Brady, Shelby, Whitlash, Fairfield, Cut Bank, Dutton, Chester, Conrad, and Sunburst 428 AM MDT Fri May 21 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT THIS MORNING... * WHAT...Snow. Additional snow accumulations mostly up to one inch, but up to 2 inches possible closer to the Rocky Mountain Front. * WHERE...Eastern Glacier, Eastern Pondera, Eastern Teton, Liberty and Toole Counties. * WHEN...Until 9 AM MDT this morning. * IMPACTS...Plan on slippery or snow covered road conditions and reduced visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. && $$ MTZ012-050-211500- /O.CON.KTFX.WW.Y.0034.000000T0000Z-210521T1500Z/ Cascade-Judith Basin- Including the cities of Raynesford, Stanford, Cascade, Great Falls, Belt, and Hobson 428 AM MDT Fri May 21 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT THIS MORNING... * WHAT...Snow. Additional snow accumulations of 1 to 2 inches. * WHERE...Cascade and Judith Basin Counties. * WHEN...Until 9 AM MDT this morning. * IMPACTS...Plan on slippery or snow covered road conditions and reduced visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. && $$ MTZ052-211500- /O.CON.KTFX.WW.Y.0034.000000T0000Z-210521T1500Z/ Jefferson- Including the cities of Boulder, Elk Park Pass, Boulder Hill, Montana City, and Whitehall 428 AM MDT Fri May 21 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT THIS MORNING... * WHAT...Snow. Additional snow accumulations up to one inch in the valleys, and 1 to 3 inches in the mountains. * WHERE...Jefferson County. * WHEN...Until 9 AM MDT this morning. * IMPACTS...Plan on slippery or snow covered road conditions and reduced visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. && $$ SC
261 WWUS45 KTFX 211441 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 841 AM MDT Fri May 21 2021 MTZ009-014-048-211545- /O.EXP.KTFX.WS.W.0003.000000T0000Z-210521T1500Z/ Northern Rocky Mountain Front-Central and Southern Lewis and Clark-Southern Rocky Mountain Front- Including the cities of Lincoln, Marias Pass, Bynum, Choteau, Browning, Heart Butte, Logan Pass, Augusta, MacDonald Pass, Rogers Pass, and Flesher Pass 841 AM MDT Fri May 21 2021 ...WINTER STORM WARNING WILL EXPIRE AT 9 AM MDT THIS MORNING... The threat has ended. Periods of light snow will continue this morning, but significant impacts are no longer expected. $$ MTZ010-012-044>046-049-050-052-211545- /O.EXP.KTFX.WW.Y.0034.000000T0000Z-210521T1500Z/ Eastern Glacier-Cascade-Toole-Liberty-Eastern Pondera-Eastern Teton-Judith Basin-Jefferson- Including the cities of Boulder, Belt, Hobson, Brady, Shelby, Whitehall, Whitlash, Fairfield, Boulder Hill, Cut Bank, Raynesford, Dutton, Chester, Great Falls, Elk Park Pass, Stanford, Cascade, Conrad, Sunburst, and Montana City 841 AM MDT Fri May 21 2021 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 9 AM MDT THIS MORNING... The threat has ended. Periods of light snow will continue this morning, but significant impacts are no longer expected. $$ Brusda
The office that day
Everything else NWS Great Falls, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 10:04 AM MDT | High Wind Warning | TFX | 10 hr | |
| May 18, 2:36 PM MDT | Winter Weather Advisory | TFX | 66 hr |
Nearby
Winter Storm Warnings in Montana, 2021Every winter storm warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.