Alert archive / Montana / Red Flag Warnings in 2021
Red Flag Warning 9, NWS Great Falls, MT
NWS Great Falls, MT issued this red flag warning at Jul 21, 2021, 1:26 PM MDT for 18 counties in Montana. It took effect at Jul 22, 2021, 12:00 PM MDT. It was in force for 33 hr. 5 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 21, 2021, 1:26 PM MDT (19:26 UTC)
- In effect from
- Jul 22, 2021, 12:00 PM MDT
- Expired
- Jul 23, 2021, 9:00 PM MDT
- In force
- 33 hr
- Issued by
- NWS Great Falls, MT
Counties Blaine County, MT, Broadwater County, MT, Cascade County, MT, Chouteau County, MT, Fergus County, MT, Gallatin County, MT, Glacier County, MT, Hill County, MT, Jefferson County, MT, Judith Basin County, MT, Lewis and Clark County, MT, Liberty County, MT, Meagher County, MT, Phillips County, MT, Pondera County, MT, Powell County, MT, Teton County, MT, Toole County, MT
The radar
The Great Falls radar (KTFX), 24 km from the middle of the area, began a volume at 19:27 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 22, 2:00 PM MDT | HAIL 0.25 | Church Hill, MT | |
| Jul 22, 2:12 PM MDT | TSTM WND GST 68 | Belgrade, MT | CORRECTS PREVIOUS TSTM WND GST REPORT FROM BELGRADE. ASOS STATION KBZN BOZEMAN YELLOWSTONE AIRPORT. |
| Jul 22, 2:16 PM MDT | TSTM WND DMG | 9 Nne Belgrade, MT | PICTURES SUBMITTED ON SOCIAL MEDIA OF MEDIUM SIZED OUT BUILDING FLIPPED UPSIDE DOWN FROM STRONG WIND. TREE DAMAGE ALSO REPORTED. |
| Jul 22, 2:27 PM MDT | TSTM WND GST 68 | Belgrade, MT | ASOS STATION KBZN BOZEMAN YELLOWSTONE AIRPORT. |
| Jul 22, 5:00 PM MDT | TSTM WND GST 53 | 11 Ene Zortman, MT | MESONET STATION MTMAL 11.3 SW PHILLIPS (MT DOT). |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Great_falls, MT (KTFX), launched 12:00Z, 7.4 hours before the alert went out and 37 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 158 J/kg
- Mixed-layer CIN
- -180 J/kg
- Mixed-layer LCL
- 1952 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 33 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
932 WWUS85 KTFX 211926 RFWTFX URGENT - FIRE WEATHER MESSAGE National Weather Service Great Falls MT 126 PM MDT Wed Jul 21 2021 MTZ116-221100- /O.CAN.KTFX.FW.A.0005.210722T1800Z-210723T0300Z/ /O.NEW.KTFX.FW.A.0006.210723T1800Z-210724T0300Z/ Lincoln Ranger District of the Helena National Forest- 126 PM MDT Wed Jul 21 2021 ...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 116... ...FIRE WEATHER WATCH IS CANCELLED FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 116... The National Weather Service in Great Falls has issued a Fire Weather Watch for gusty winds and low relative humidity, which is in effect from Friday afternoon through Friday evening. The Fire Weather Watch has been cancelled. * AFFECTED AREA...Lincoln Ranger District of the Helena National Forest. * WINDS...West 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 13 percent. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Fire Weather Watch means that critical fire weather conditions are possible. A combination of gusty winds, low relative humidity, and warm temperatures will create high fire growth potential. Please advise the appropriate officials or fire crews in these areas of this Fire Weather Watch. && $$ MTZ112>114-221100- /O.UPG.KTFX.FW.A.0005.210722T1800Z-210723T0300Z/ /O.NEW.KTFX.FW.W.0009.210722T1800Z-210724T0300Z/ Eastern Glacier/Toole/Central/Eastern Pondera/Liberty- Hill and Blaine Counties- Lewis and Clark National Forest Rocky Mountain District- Rocky Mountain Front- 126 PM MDT Wed Jul 21 2021 ...RED FLAG WARNING IN EFFECT FROM NOON THURSDAY TO 9 PM MDT FRIDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 112, 113, AND 114... The National Weather Service in Great Falls has issued a Red Flag Warning for gusty winds and low relative humidity, which is in effect from noon Thursday to 9 PM MDT Friday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Eastern Glacier/Toole/Central/Eastern Pondera/Liberty, Hill and Blaine Counties and Lewis and Clark National Forest Rocky Mountain District-Rocky Mountain Front. * WINDS...West 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 10 percent. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. Please advise the appropriate officials or fire crews in these areas of this Red Flag Warning. && $$ MTZ115-117-118-221100- /O.NEW.KTFX.FW.A.0006.210723T1800Z-210724T0300Z/ Chouteau and Fergus Counties- Central and Eastern Lewis and Clark National Forest Areas- Helena and Townsend Ranger Districts of the Helena National Forest- 126 PM MDT Wed Jul 21 2021 ...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 115, 117, AND 118... The National Weather Service in Great Falls has issued a Fire Weather Watch for gusty winds and low relative humidity, which is in effect from Friday afternoon through Friday evening. * AFFECTED AREA...Chouteau and Fergus Counties, Central and Eastern Lewis and Clark National Forest Areas and Helena and Townsend Ranger Districts of the Helena National Forest. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 9 percent. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Fire Weather Watch means that critical fire weather conditions are possible. A combination of gusty winds, low relative humidity, and warm temperatures will create high fire growth potential. Please advise the appropriate officials or fire crews in these areas of this Fire Weather Watch. && $$ http://www.weather.gov/greatfalls
6 follow-up statements
301 WWUS85 KTFX 220725 RFWTFX URGENT - FIRE WEATHER MESSAGE National Weather Service Great Falls MT 125 AM MDT Thu Jul 22 2021 MTZ112>114-230000- /O.CON.KTFX.FW.W.0009.210722T1800Z-210724T0300Z/ Eastern Glacier/Toole/Central/Eastern Pondera/Liberty- Hill and Blaine Counties- Lewis and Clark National Forest Rocky Mountain District- Rocky Mountain Front- 125 AM MDT Thu Jul 22 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT FRIDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 112, 113, AND 114... * AFFECTED AREA...Eastern Glacier/Toole/Central/Eastern Pondera/Liberty, Hill and Blaine Counties and Lewis and Clark National Forest Rocky Mountain District-Rocky Mountain Front. * WINDS...West 20 to 30 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 10 percent. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. Please advise the appropriate officials or fire crews in these areas of this Red Flag Warning. && Moldan $$ MTZ115>118-230000- /O.CON.KTFX.FW.A.0006.210723T1800Z-210724T0300Z/ Chouteau and Fergus Counties- Lincoln Ranger District of the Helena National Forest- Central and Eastern Lewis and Clark National Forest Areas- Helena and Townsend Ranger Districts of the Helena National Forest- 125 AM MDT Thu Jul 22 2021 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 115, 116, 117, AND 118... * AFFECTED AREA...Chouteau and Fergus Counties, Lincoln Ranger District of the Helena National Forest, Central and Eastern Lewis and Clark National Forest Areas and Helena and Townsend Ranger Districts of the Helena National Forest. * WINDS...West 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 9 percent. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Fire Weather Watch means that critical fire weather conditions are possible. A combination of gusty winds, low relative humidity, and warm temperatures will create high fire growth potential. Please advise the appropriate officials or fire crews in these areas of this Fire Weather Watch. && Moldan $$ http://www.weather.gov/greatfalls
202 WWUS85 KTFX 222000 RFWTFX URGENT - FIRE WEATHER MESSAGE National Weather Service Great Falls MT 200 PM MDT Thu Jul 22 2021 MTZ115>118-231100- /O.UPG.KTFX.FW.A.0006.210723T1800Z-210724T0300Z/ /O.EXB.KTFX.FW.W.0009.210723T1800Z-210724T0300Z/ Chouteau and Fergus Counties- Lincoln Ranger District of the Helena National Forest- Central and Eastern Lewis and Clark National Forest Areas- Helena and Townsend Ranger Districts of the Helena National Forest- 200 PM MDT Thu Jul 22 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT FRIDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 115, 116, 117, AND 118... The National Weather Service in Great Falls has issued a Red Flag Warning for gusty winds and low relative humidity, which is in effect from noon to 9 PM MDT Friday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Chouteau and Fergus Counties, Lincoln Ranger District of the Helena National Forest, Central and Eastern Lewis and Clark National Forest Areas and Helena and Townsend Ranger Districts of the Helena National Forest. * WINDS...West 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 9 percent. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. Please advise the appropriate officials or fire crews in these areas of this Red Flag Warning. && $$ MTZ112>114-231100- /O.CON.KTFX.FW.W.0009.000000T0000Z-210724T0300Z/ Eastern Glacier/Toole/Central/Eastern Pondera/Liberty- Hill and Blaine Counties- Lewis and Clark National Forest Rocky Mountain District- Rocky Mountain Front- 200 PM MDT Thu Jul 22 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT FRIDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 112, 113, AND 114... * AFFECTED AREA...Eastern Glacier/Toole/Central/Eastern Pondera/Liberty, Hill and Blaine Counties and Lewis and Clark National Forest Rocky Mountain District-Rocky Mountain Front. * WINDS...West 20 to 30 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 10 percent. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. Please advise the appropriate officials or fire crews in these areas of this Red Flag Warning. && $$ http://www.weather.gov/greatfalls
316 WWUS85 KTFX 230305 RFWTFX URGENT - FIRE WEATHER MESSAGE National Weather Service Great Falls MT 905 PM MDT Thu Jul 22 2021 MTZ112>114-231200- /O.CON.KTFX.FW.W.0009.000000T0000Z-210724T0300Z/ Eastern Glacier/Toole/Central/Eastern Pondera/Liberty- Hill and Blaine Counties- Lewis and Clark National Forest Rocky Mountain District- Rocky Mountain Front- 905 PM MDT Thu Jul 22 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT FRIDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 112, 113, AND 114... * AFFECTED AREA...Eastern Glacier/Toole/Central/Eastern Pondera/Liberty, Hill and Blaine Counties and Lewis and Clark National Forest Rocky Mountain District-Rocky Mountain Front. * WINDS...West 20 to 30 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 10 percent. * ADDITIONAL DETAILS...Decreasing winds with at least minor humidity recovery tonight will help ease the critical fire weather conditions across the area temporarily. However, the dry and windy conditions will likely return by late in the morning on Friday. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. Please advise the appropriate officials or fire crews in these areas of this Red Flag Warning. && $$ MTZ115>118-231200- /O.CON.KTFX.FW.W.0009.210723T1800Z-210724T0300Z/ Chouteau and Fergus Counties- Lincoln Ranger District of the Helena National Forest- Central and Eastern Lewis and Clark National Forest Areas- Helena and Townsend Ranger Districts of the Helena National Forest- 905 PM MDT Thu Jul 22 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM MDT FRIDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 115, 116, 117, AND 118... * AFFECTED AREA...Chouteau and Fergus Counties, Lincoln Ranger District of the Helena National Forest, Central and Eastern Lewis and Clark National Forest Areas and Helena and Townsend Ranger Districts of the Helena National Forest. * WINDS...West 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 9 percent. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. Please advise the appropriate officials or fire crews in these areas of this Red Flag Warning. && $$ http://www.weather.gov/greatfalls
188 WWUS85 KTFX 230959 RFWTFX URGENT - FIRE WEATHER MESSAGE National Weather Service Great Falls MT 359 AM MDT Fri Jul 23 2021 MTZ112>114-232200- /O.CON.KTFX.FW.W.0009.000000T0000Z-210724T0300Z/ Eastern Glacier/Toole/Central/Eastern Pondera/Liberty- Hill and Blaine Counties- Lewis and Clark National Forest Rocky Mountain District- Rocky Mountain Front- 359 AM MDT Fri Jul 23 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 112, 113, AND 114... * AFFECTED AREA...Eastern Glacier/Toole/Central/Eastern Pondera/Liberty, Hill and Blaine Counties and Lewis and Clark National Forest Rocky Mountain District-Rocky Mountain Front. * WINDS...West 20 to 25 mph with gusts up to 40 mph this afternoon. * RELATIVE HUMIDITY...As low as 10 percent. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. Please advise the appropriate officials or fire crews in these areas of this Red Flag Warning. && $$ MTZ115>118-232200- /O.CON.KTFX.FW.W.0009.210723T1800Z-210724T0300Z/ Chouteau and Fergus Counties- Lincoln Ranger District of the Helena National Forest- Central and Eastern Lewis and Clark National Forest Areas- Helena and Townsend Ranger Districts of the Helena National Forest- 359 AM MDT Fri Jul 23 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 115, 116, 117, AND 118... * AFFECTED AREA...Chouteau and Fergus Counties, Lincoln Ranger District of the Helena National Forest, Central and Eastern Lewis and Clark National Forest Areas and Helena and Townsend Ranger Districts of the Helena National Forest. * WINDS...West 15 to 20 mph with gusts up to 35 mph this afternoon. * RELATIVE HUMIDITY...As low as 10 percent. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. Please advise the appropriate officials or fire crews in these areas of this Red Flag Warning. && $$ http://www.weather.gov/greatfalls
952 WWUS85 KTFX 231925 RFWTFX URGENT - FIRE WEATHER MESSAGE National Weather Service Great Falls MT 125 PM MDT Fri Jul 23 2021 MTZ112>118-240300- /O.CON.KTFX.FW.W.0009.000000T0000Z-210724T0300Z/ Eastern Glacier/Toole/Central/Eastern Pondera/Liberty- Hill and Blaine Counties- Lewis and Clark National Forest Rocky Mountain District- Rocky Mountain Front-Chouteau and Fergus Counties- Lincoln Ranger District of the Helena National Forest- Central and Eastern Lewis and Clark National Forest Areas- Helena and Townsend Ranger Districts of the Helena National Forest- 125 PM MDT Fri Jul 23 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 115, 116, 117, AND 118... * AFFECTED AREA...Eastern Glacier/Toole/Central/Eastern Pondera/Liberty, Hill and Blaine Counties, Lewis and Clark National Forest Rocky Mountain District-Rocky Mountain Front, Chouteau and Fergus Counties, Lincoln Ranger District of the Helena National Forest, Central and Eastern Lewis and Clark National Forest Areas and Helena and Townsend Ranger Districts of the Helena National Forest. * WINDS...West 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 10 percent. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. Please advise the appropriate officials or fire crews in these areas of this Red Flag Warning. && $$ http://www.weather.gov/greatfalls
720 WWUS85 KTFX 240258 RFWTFX URGENT - FIRE WEATHER MESSAGE National Weather Service Great Falls MT 858 PM MDT Fri Jul 23 2021 MTZ117-118-241800- /O.EXP.KTFX.FW.W.0009.000000T0000Z-210724T0300Z/ /O.NEW.KTFX.FW.A.0007.210725T1700Z-210726T0300Z/ Central and Eastern Lewis and Clark National Forest Areas- Helena and Townsend Ranger Districts of the Helena National Forest- 858 PM MDT Fri Jul 23 2021 ...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 117 AND 118... ...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 117 AND 118... The National Weather Service in Great Falls has issued a Fire Weather Watch for gusty winds and low relative humidity, which is in effect from Sunday morning through Sunday evening. * AFFECTED AREA...Central and Eastern Lewis and Clark National Forest Areas and Helena and Townsend Ranger Districts of the Helena National Forest. * WINDS...West 10 to 15 mph with gusts up to 25 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS... Any fires, new or existing, may grow and spread rapidly. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Fire Weather Watch means that critical fire weather conditions are possible. A combination of gusty winds, low relative humidity, and warm temperatures will create high fire growth potential. Please advise the appropriate officials or fire crews in these areas of this Fire Weather Watch. && $$ MTZ112>116-240400- /O.EXP.KTFX.FW.W.0009.000000T0000Z-210724T0300Z/ Eastern Glacier/Toole/Central/Eastern Pondera/Liberty- Hill and Blaine Counties- Lewis and Clark National Forest Rocky Mountain District- Rocky Mountain Front-Chouteau and Fergus Counties- Lincoln Ranger District of the Helena National Forest- 858 PM MDT Fri Jul 23 2021 ...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 112, 113, 114, 115, AND 116... Winds have weakened this evening and humidity has begun to rise. However, overnight relative humidity recoveries will be poor to moderate. $$ http://www.weather.gov/greatfalls
The office that day
Everything else NWS Great Falls, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 6:10 PM MDT | Special Weather Statement | TFX | Teton | 35 min |
| Jul 20, 6:14 PM MDT | Special Weather Statement | TFX | Toole | 31 min |
| Jul 20, 6:18 PM MDT | Special Weather Statement | TFX | Cascade | 27 min |
| Jul 20, 6:34 PM MDT | Special Weather Statement | TFX | Teton | 26 min |
| Jul 20, 6:48 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Teton | 27 min |
| Jul 20, 7:01 PM MDT | Special Weather Statement | TFX | Cascade | 29 min |
| Jul 20, 7:17 PM MDT | Special Weather Statement | TFX | Teton | 28 min |
| Jul 20, 7:47 PM MDT | Special Weather Statement | TFX | 28 min | |
| Jul 20, 7:52 PM MDT | Special Weather Statement | TFX | Cascade | 23 min |
| Jul 20, 8:45 PM MDT | Special Weather Statement | TFX | Chouteau, Judith Basin | 30 min |
| Jul 21, 1:26 PM MDT | Fire Weather Watch | TFX | Broadwater, Cascade, Chouteau, Fergus, Gallatin, Jefferson and 4 more | 25 hr |
| Jul 21, 2:38 PM MDT | Special Weather Statement | TFX | Glacier | 37 min |
| Jul 21, 2:48 PM MDT | Special Weather Statement | TFX | Pondera | 27 min |
| Jul 21, 2:56 PM MDT | Severe Thunderstorm Warning | TFX | Glacier | 34 min |
| Jul 21, 3:16 PM MDT | Severe Thunderstorm Warning | TFX | Glacier | 29 min |
| Jul 21, 3:23 PM MDT | Special Weather Statement | TFX | Pondera | 37 min |
| Jul 21, 3:49 PM MDT | Special Weather Statement | TFX | Pondera | 26 min |
| Jul 21, 3:50 PM MDT | Severe Thunderstorm Warning | TFX | Pondera | 40 min |
| Jul 21, 3:51 PM MDT | Special Weather Statement | TFX | Teton | 24 min |
| Jul 21, 4:07 PM MDT | Special Weather Statement | TFX | Fergus | 23 min |
| Jul 21, 4:07 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Teton | 38 min |
| Jul 21, 4:24 PM MDT | Special Weather Statement | TFX | Jefferson | 36 min |
| Jul 21, 4:29 PM MDT | Special Weather Statement | TFX | Madison | 31 min |
| Jul 21, 4:34 PM MDT | Special Weather Statement | TFX | Silver Bow | 26 min |
| Jul 21, 4:39 PM MDT | Special Weather Statement | TFX | Fergus | 36 min |
| Jul 21, 4:42 PM MDT | Special Weather Statement | TFX | Lewis and Clark | 33 min |
| Jul 21, 4:45 PM MDT | Severe Thunderstorm Warning | TFX | Liberty, Pondera, Teton, Toole | 45 min |
| Jul 21, 4:53 PM MDT | Special Weather Statement | TFX | Teton | 22 min |
| Jul 21, 4:54 PM MDT | Special Weather Statement | TFX | Lewis and Clark | 36 min |
| Jul 21, 4:56 PM MDT | Special Weather Statement | TFX | Jefferson | 34 min |
| Jul 21, 4:58 PM MDT | Special Weather Statement | TFX | Broadwater, Jefferson | 32 min |
| Jul 21, 5:02 PM MDT | Special Weather Statement | TFX | Glacier | 28 min |
| Jul 21, 5:04 PM MDT | Special Weather Statement | TFX | Deer Lodge | 26 min |
| Jul 21, 5:21 PM MDT | Special Weather Statement | TFX | Lewis and Clark | 24 min |
| Jul 21, 5:29 PM MDT | Severe Thunderstorm Warning | TFX | Liberty, Toole | 46 min |
| Jul 21, 5:32 PM MDT | Special Weather Statement | TFX | Cascade | 43 min |
Nearby
Red Flag Warnings in Montana, 2021Every red flag 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.