Alert archive / Montana / Winter Storm Warnings in 2015
Winter Storm Warning 8, NWS Missoula, MT
NWS Missoula, MT issued this winter storm warning at Nov 23, 2015, 2:09 PM MST for 11 counties in Montana. It took effect at Nov 24, 2015, 8:00 AM MST. It was in force for 25 hr. 28 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
- Nov 23, 2015, 2:09 PM MST (21:09 UTC)
- In effect from
- Nov 24, 2015, 8:00 AM MST
- Expired
- Nov 25, 2015, 8:55 AM MST
- In force
- 25 hr
- Issued by
- NWS Missoula, MT
Counties Deer Lodge County, MT, Flathead County, MT, Granite County, MT, Lake County, MT, Lincoln County, MT, Mineral County, MT, Missoula County, MT, Powell County, MT, Ravalli County, MT, Sanders County, MT, Silver Bow County, MT
The radar
The Missoula radar (KMSX), 2 km from the middle of the area, began a volume at 21:15 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 |
|---|---|---|---|
| Nov 24, 4:00 PM MST | SNOW 3.5 | Eureka, MT | |
| Nov 24, 5:00 PM MST | SNOW 2 | 1 Wsw Lolo, MT | 6 INCH DRIFTS. WIND GUSTS ESTIMATED NEAR 35 MPH. |
| Nov 24, 5:00 PM MST | SNOW 2 | 3 Nne Stevensville, MT | GUSTS TO 35 MPH. |
| Nov 24, 5:00 PM MST | SNOW 3 | Columbia Falls, MT | WIND GUSTS NEAR 50 MPH. 0.15 OF LIQUID EQUIVALENT. |
| Nov 24, 5:00 PM MST | SNOW 3 | Essex, MT | |
| Nov 24, 5:00 PM MST | SNOW 5 | Hungry Horse, MT | |
| Nov 24, 6:00 PM MST | SNOW 2.5 | Ronan, MT | |
| Nov 24, 7:00 PM MST | SNOW 2 | Victor, MT | |
| Nov 24, 7:00 PM MST | SNOW 2.5 | Alberton, MT | |
| Nov 24, 7:00 PM MST | SNOW 2.5 | Clinton, MT | 0.12 OF LIQUID EQUIVALENT |
| Nov 24, 7:00 PM MST | SNOW 3 | Yaak, MT | |
| Nov 24, 7:00 PM MST | SNOW 4 | Troy, MT | |
| Nov 24, 7:00 PM MST | SNOW 4.8 | 2 Wnw Kalispell, MT | |
| Nov 24, 8:00 PM MST | SNOW 4.8 | 4 N Lolo, MT | |
| Nov 24, 8:00 PM MST | HEAVY SNOW 5 | 1 Nw Evaro, MT | |
| Nov 24, 8:00 PM MST | HEAVY SNOW 7 | Lolo, MT | |
| Nov 24, 9:00 PM MST | SNOW 3 | 3 Nw La Salle, MT | |
| Nov 24, 9:00 PM MST | SNOW 4 | 2 Nnw East Missoula, MT | |
| Nov 24, 9:00 PM MST | SNOW 4 | Kalispell, MT | |
| Nov 24, 9:00 PM MST | SNOW 4.5 | Anaconda, MT | |
| Nov 24, 9:00 PM MST | SNOW 5.5 | 4 Ssw Missoula, MT | |
| Nov 24, 9:00 PM MST | SNOW 5.5 | Kila, MT | SERIOUS DRIFTING |
| Nov 24, 9:00 PM MST | SNOW 7.2 | 3 Ssw Missoula, MT | |
| Nov 24, 10:00 PM MST | SNOW 1 | Whitefish, MT | |
| Nov 24, 10:00 PM MST | SNOW 4 | 4 N Georgetown, MT | DISCOVERY SKI RESORT |
| Nov 24, 10:00 PM MST | SNOW 4 | Hamilton, MT | |
| Nov 24, 10:00 PM MST | HEAVY SNOW 6 | Twin Creeks, MT | |
| Nov 24, 10:00 PM MST | SNOW 6.2 | Bonner, MT |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Spokane, WA (KOTX), launched 12:00Z, 9.2 hours before the alert went out and 195 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1579 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 204 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
910 WWUS45 KMSO 232109 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 209 PM MST MON NOV 23 2015 IDZ009-010-232215- /O.CAN.KMSO.WS.A.0004.151125T0000Z-151125T1200Z/ 209 PM MST MON NOV 23 2015 ...WINTER STORM WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER STORM WATCH. $$ MTZ001-003-241200- /O.UPG.KMSO.WS.A.0004.151124T1500Z-151125T1200Z/ /O.NEW.KMSO.WS.W.0008.151124T1500Z-151125T1200Z/ 209 PM MST MON NOV 23 2015 ...WINTER STORM WARNING IN EFFECT FROM 8 AM TUESDAY TO 5 AM MST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 8 AM TUESDAY TO 5 AM MST WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * IMPACTS/TIMING: AN ARCTIC FRONT MOVING IN TUESDAY MORNING WILL CAUSE SNOW... REDUCED VISIBILITIES FROM BLOWING AND DRIFTING SNOW... AND HAZARDOUS TRAVEL CONDITIONS... AND RAPIDLY FALLING TEMPERATURES TUESDAY AND TUESDAY NIGHT. EXPECT WINTRY ROAD CONDITIONS TO CONTINUE THROUGH WEDNESDAY MORNING. * SNOW ACCUMULATIONS: 2 TO 4 INCHES POSSIBLE IN MOST VALLEYS... WITH HIGHER AMOUNTS IN THE MOUNTAINS. * WINDS: NORTHEAST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH. LOCALLY HIGHER GUSTS UP TO 50 MPH THROUGH BAD ROCK CANYON. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 2 KALISPELL TO LIBBY... HIGHWAY 37 EUREKA TO LIBBY...HIGHWAY 56 BULL LAKE ROAD... HIGHWAY 93 EUREKA TO WHITEFISH...FLATHEAD LAKE...FLATHEAD VALLEY... MISSION VALLEY...POLSON $$ MTZ002-241200- /O.UPG.KMSO.WS.A.0004.151124T1200Z-151125T1200Z/ /O.NEW.KMSO.WS.W.0008.151124T1500Z-151125T1200Z/ 209 PM MST MON NOV 23 2015 ...WINTER STORM WARNING IN EFFECT FROM 8 AM TUESDAY TO 5 AM MST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 8 AM TUESDAY TO 5 AM MST WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * IMPACTS/TIMING: AN ARCTIC FRONT MOVING IN TUESDAY MORNING WILL CAUSE SNOW... REDUCED VISIBILITIES FROM BLOWING AND DRIFTING SNOW... HAZARDOUS TRAVEL CONDITIONS... AND RAPIDLY FALLING TEMPERATURES TUESDAY AND TUESDAY NIGHT. EXPECT WINTRY ROAD CONDITIONS TO CONTINUE THROUGH WEDNESDAY MORNING. BLIZZARD CONDITIONS ARE EXPECTED ON MARIAS PASS AND IN THE HIGH COUNTRY OF GLACIER NATIONAL PARK TUESDAY MORNING... FOLLOWED BY SNOW AND BLOWING SNOW THROUGH WEDNESDAY MORNING. * SNOW ACCUMULATIONS: AROUND 10 INCHES POSSIBLE AT MARIAS PASS TO AROUND 3 INCHES AT WEST GLACIER. * WINDS: NORTHEAST WINDS 25 TO 35 WITH PEAK WINDS AROUND 45 MPH. * LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE $$ MTZ004-043-241200- /O.UPG.KMSO.WS.A.0004.151124T1900Z-151125T1200Z/ /O.NEW.KMSO.WS.W.0008.151124T1800Z-151125T1200Z/ 209 PM MST MON NOV 23 2015 ...WINTER STORM WARNING IN EFFECT FROM 11 AM TUESDAY TO 5 AM MST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 11 AM TUESDAY TO 5 AM MST WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * IMPACTS/TIMING: AN ARCTIC FRONT MOVING IN LATE TUESDAY MORNING WILL CAUSE SNOW... REDUCED VISIBILITIES FROM BLOWING AND DRIFTING SNOW... AND HAZARDOUS TRAVEL CONDITIONS THROUGH WEDNESDAY MORNING. ANY ABOVE FREEZING ROAD TEMPERATURES FOLLOWED BY RAIN/SNOW AND RAPIDLY FALLING TEMPERATURES WILL RESULT IN VERY ICY CONDITIONS ON ROADS AND SIDEWALKS. A DIFFICULT TUESDAY EVENING COMMUTE IS EXPECTED. * SNOW ACCUMULATIONS: 3 TO 6 INCHES OF NEW SNOW POSSIBLE AT LOOKOUT PASS BY WEDNESDAY MORNING... WITH 1 TO 4 INCHES IN MOST VALLEY LOCATIONS. * WINDS: 15-25 MPH WITH GUSTS UP TO 35 MPH IN MOST AREAS... BUT SOME WIND PRONE AREAS LIKE EVARO HILL MAY SEE WINDS NEAR 45 MPH WITH BLOWING SNOW DURING THE FRONTAL PASSAGE IN THE AFTERNOON. * LOCATIONS IMPACTED INCLUDE...EVARO HILL...HIGHWAY 200 THOMPSON FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90 LOOKOUT PASS TO HAUGAN...HIGHWAY 200 BONNER TO GREENOUGH... HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST MISSOULA TO BEARMOUTH $$ MTZ005-007-241200- /O.UPG.KMSO.WS.A.0004.151124T1900Z-151125T1200Z/ /O.NEW.KMSO.WS.W.0008.151124T2100Z-151125T1200Z/ 209 PM MST MON NOV 23 2015 ...WINTER STORM WARNING IN EFFECT FROM 2 PM TUESDAY TO 5 AM MST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 2 PM TUESDAY TO 5 AM MST WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * IMPACTS/TIMING: AN ARCTIC FRONT MOVING IN TUESDAY AFTERNOON WILL CAUSE SNOW... REDUCED VISIBILITIES FROM BLOWING AND DRIFTING SNOW... AND HAZARDOUS TRAVEL CONDITIONS THROUGH WEDNESDAY MORNING. ANY ABOVE FREEZING ROAD TEMPERATURES FOLLOWED BY RAIN/SNOW AND RAPIDLY FALLING TEMPERATURES WILL RESULT IN VERY ICY CONDITIONS ON ROADS AND SIDEWALKS. A DIFFICULT TUESDAY EVENING COMMUTE IS EXPECTED IN MISSOULA AND THE BITTERROOT VALLEY. * SNOW ACCUMULATIONS: 1 TO 4 INCHES IN MOST VALLEY LOCATIONS. MACDONALD AND HOMESTAKE PASSES WILL SEE 3 TO 6 INCHES OF NEW SNOW WITH BLIZZARD CONDITIONS AT TIMES. * WINDS: 15-25 MPH WITH GUSTS UP TO 40 MPH IN MOST AREAS... BUT SOME WIND PRONE AREAS LIKE HELLGATE CANYON...AND EVARO HILL... MAY SEE WINDS UP TO 45 MPH WITH BLOWING SNOW DURING THE FRONTAL PASSAGE IN THE AFTERNOON. * LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA... BUTTE...GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO ELLISTON... HOMESTAKE PASS...MACDONALD PASS $$ MTZ006-241200- /O.UPG.KMSO.WS.A.0004.151124T2100Z-151125T1200Z/ /O.NEW.KMSO.WS.W.0008.151124T2100Z-151125T1200Z/ 209 PM MST MON NOV 23 2015 ...WINTER STORM WARNING IN EFFECT FROM 2 PM TUESDAY TO 5 AM MST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 2 PM TUESDAY TO 5 AM MST WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * IMPACTS/TIMING: AN ARCTIC FRONT MOVING IN TUESDAY AFTERNOON WILL CAUSE SNOW... REDUCED VISIBILITIES FROM BLOWING AND DRIFTING SNOW... AND HAZARDOUS TRAVEL CONDITIONS THROUGH WEDNESDAY MORNING. * SNOW ACCUMULATIONS: 3 TO 6 INCHES FOR LOLO PASS. LOST TRAIL PASS IS EXPECTED TO GET 4 TO 7 INCHES OF NEW SNOW. * WINDS: WINDS 20 TO 30 MPH WITH GUSTS UP TO 40 MPH. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 93 SULA TO LOST TRAIL PASS...LOLO PASS $$ IDZ005>008-241200- /O.UPG.KMSO.WS.A.0004.151124T2100Z-151125T1200Z/ /O.NEW.KMSO.WW.Y.0043.151124T2100Z-151125T1200Z/ 109 PM PST MON NOV 23 2015 ...WINTER WEATHER ADVISORY IN EFFECT FROM 1 PM TUESDAY TO 4 AM PST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND FREEZING ROADS...WHICH IS IN EFFECT FROM 1 PM TUESDAY TO 4 AM PST WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * IMPACTS/TIMING: TUESDAY AFTERNOON... AN ARCTIC FRONT WILL CAUSE A RAPID COOL DOWN... GUSTY WINDS... AND A RAIN/SNOW MIX TRANSITIONING TO SNOW AND BLOWING SNOW. THERE IS CONCERN FOR WET SURFACES FROM PRECEDING RAIN/WET SNOW FREEZING UP AND BECOMING ICY...RESULTING IN HAZARDOUS TRAVEL THROUGH WEDNESDAY MORNING. * SNOW ACCUMULATIONS: TRACE TO 2 INCHES FOR VALLEYS. WHITE BIRD HILL WILL SEE 2 TO 4 INCHES OF NEW SNOW. * LOCATIONS IMPACTED INCLUDE...ELK RIVER...HIGHWAY 11 PIERCE TO HEADQUARTERS...PIERCE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL TO LOLO PASS...CAMAS PRAIRIE...GRANGEVILLE AND VICINITY... GREER GRADE...HIGHWAY 95 SLATE CREEK TO RIGGINS...WHITE BIRD GRADE $$
5 follow-up statements
287 WWUS45 KMSO 241146 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 446 AM MST TUE NOV 24 2015 MTZ001>003-251200- /O.CON.KMSO.WS.W.0008.151124T1500Z-151125T1200Z/ KOOTENAI/CABINET REGION-WEST GLACIER REGION- FLATHEAD/MISSION VALLEYS- INCLUDING THE CITIES OF...LIBBY...EUREKA...SWAN LAKE... KALISPELL...POLSON...ST. IGNATIUS 446 AM MST TUE NOV 24 2015 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 5 AM MST WEDNESDAY... * IMPACTS/TIMING: AN ARCTIC FRONT MOVING IN THIS MORNING WILL CAUSE HAZARDOUS TRAVEL CONDITIONS WITH SNOW, REDUCED VISIBILITIES FROM BLOWING AND DRIFTING SNOW, AND RAPIDLY FALLING TEMPERATURES TODAY AND TONIGHT. EXPECT WINTRY ROAD CONDITIONS TO CONTINUE THROUGH WEDNESDAY MORNING. * SNOW ACCUMULATIONS: 2 TO 4 INCHES POSSIBLE IN MOST VALLEYS, WITH HIGHER AMOUNTS IN THE MOUNTAINS. * WINDS: NORTHEAST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH. LOCALLY HIGHER GUSTS UP TO 50 MPH THROUGH BAD ROCK CANYON. STRONG EAST WINDS ALSO POSSIBLE OVER FLATHEAD LAKE. * LOCATIONS IMPACTED INCLUDE...HIGHWAY 2 KALISPELL TO LIBBY... HIGHWAY 37 EUREKA TO LIBBY...HIGHWAY 56 BULL LAKE ROAD... HIGHWAY 93 EUREKA TO WHITEFISH...FLATHEAD LAKE...FLATHEAD VALLEY... MISSION VALLEY...POLSON $$ MTZ004-043-251200- /O.CON.KMSO.WS.W.0008.151124T1800Z-151125T1200Z/ LOWER CLARK FORK REGION-POTOMAC/SEELEY LAKE REGION- INCLUDING THE CITIES OF...NOXON...THOMPSON FALLS...SUPERIOR... EAST MISSOULA...SEELEY LAKE...CLINTON 446 AM MST TUE NOV 24 2015 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST WEDNESDAY... * IMPACTS/TIMING: AN ARCTIC FRONT MOVING IN LATE THIS MORNING WILL CAUSE HAZARDOUS TRAVEL CONDITIONS WITH SNOW, REDUCED VISIBILITIES FROM BLOWING AND DRIFTING SNOW, AND RAPIDLY FALLING TEMPERATURES TODAY AND TONIGHT. ANY ABOVE FREEZING ROAD TEMPERATURES FOLLOWED BY RAIN/SNOW AND RAPIDLY FALLING TEMPERATURES WILL RESULT IN VERY ICY CONDITIONS ON ROADS AND SIDEWALKS. A DIFFICULT TUESDAY EVENING COMMUTE IS EXPECTED. * SNOW ACCUMULATIONS: 3 TO 6 INCHES OF NEW SNOW POSSIBLE AT LOOKOUT PASS BY WEDNESDAY MORNING, WITH 1 TO 4 INCHES IN MOST VALLEY LOCATIONS. * WINDS: 15-25 MPH WITH GUSTS UP TO 35 MPH IN MOST AREAS. WIND- PRONE AREAS SUCH AS EVARO HILL MAY SEE WINDS NEAR 45 MPH WITH BLOWING SNOW DURING THE FRONTAL PASSAGE IN THE AFTERNOON. * LOCATIONS IMPACTED INCLUDE...EVARO HILL...HIGHWAY 200 THOMPSON FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90 LOOKOUT PASS TO HAUGAN...HIGHWAY 200 BONNER TO GREENOUGH... HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST MISSOULA TO BEARMOUTH $$ MTZ005>007-251200- /O.CON.KMSO.WS.W.0008.151124T2100Z-151125T1200Z/ MISSOULA/BITTERROOT VALLEYS-BITTERROOT/SAPPHIRE MOUNTAINS- BUTTE/BLACKFOOT REGION- INCLUDING THE CITIES OF...HAMILTON...DARBY...SULA...ANACONDA... DEER LODGE...DRUMMOND 446 AM MST TUE NOV 24 2015 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST WEDNESDAY... * IMPACTS/TIMING: AN ARCTIC FRONT MOVING IN THIS AFTERNOON WILL CAUSE HAZARDOUS TRAVEL CONDITIONS WITH SNOW, REDUCED VISIBILITIES FROM BLOWING AND DRIFTING SNOW, AND RAPIDLY FALLING TEMPERATURES TODAY AND TONIGHT. ANY ABOVE FREEZING ROAD TEMPERATURES FOLLOWED BY RAIN/SNOW AND RAPIDLY FALLING TEMPERATURES WILL RESULT IN VERY ICY CONDITIONS ON ROADS AND SIDEWALKS. A DIFFICULT TUESDAY EVENING COMMUTE IS EXPECTED IN MISSOULA AND THE BITTERROOT VALLEYS. * SNOW ACCUMULATIONS: 1 TO 4 INCHES IN MOST VALLEY LOCATIONS. MACDONALD AND HOMESTAKE PASSES WILL SEE 3 TO 6 INCHES OF NEW SNOW WITH BLIZZARD CONDITIONS AT TIMES. * WINDS: 15-25 MPH WITH GUSTS UP TO 40 MPH IN MOST AREAS. SOME WIND-PRONE AREAS SUCH AS HELLGATE CANYON AND EVARO HILL MAY SEE WINDS UP TO 45 MPH WITH BLOWING SNOW DURING THE FRONTAL PASSAGE IN THE AFTERNOON. * LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA... BUTTE...GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO ELLISTON... HOMESTAKE PASS...MACDONALD PASS $$ IDZ005>008-251200- /O.CON.KMSO.WW.Y.0043.151124T2100Z-151125T1200Z/ NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS- OROFINO/GRANGEVILLE REGION-LOWER HELLS CANYON/SALMON RIVER REGION- INCLUDING THE CITIES OF...PIERCE...ELK RIVER...POWELL... ELK CITY...DIXIE...KOOSKIA...RIGGINS...WHITE BIRD 346 AM PST TUE NOV 24 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 4 AM PST WEDNESDAY... * IMPACTS/TIMING: A COLD FRONT WILL CAUSE A RAPID COOL DOWN, GUSTY WINDS, AND A RAIN/SNOW MIX TRANSITIONING TO SNOW AND BLOWING SNOW. THERE IS CONCERN FOR WET SURFACES FROM PRECEDING RAIN/WET SNOW FREEZING UP AND BECOMING ICY, RESULTING IN HAZARDOUS TRAVEL THROUGH WEDNESDAY MORNING. * SNOW ACCUMULATIONS: TRACE TO 2 INCHES FOR VALLEYS. WHITE BIRD HILL WILL SEE 2 TO 4 INCHES OF NEW SNOW. * LOCATIONS IMPACTED INCLUDE...ELK RIVER...HIGHWAY 11 PIERCE TO HEADQUARTERS...PIERCE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL TO LOLO PASS...CAMAS PRAIRIE...GRANGEVILLE AND VICINITY... GREER GRADE...HIGHWAY 95 SLATE CREEK TO RIGGINS...WHITE BIRD GRADE $$
190 WWUS45 KMSO 250341 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 841 PM MST TUE NOV 24 2015 MTZ001-250445- /O.CAN.KMSO.WS.W.0008.000000T0000Z-151125T1200Z/ 841 PM MST TUE NOV 24 2015 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER STORM WARNING. $$ MTZ002-003-251200- /O.CON.KMSO.WS.W.0008.000000T0000Z-151125T1200Z/ 841 PM MST TUE NOV 24 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST WEDNESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST WEDNESDAY. * SNOW ACCUMULATIONS: 2 TO 4 INCHES POSSIBLE IN MOST VALLEYS... WITH HIGHER AMOUNTS IN THE MOUNTAINS. * WINDS: NORTHEAST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH. LOCALLY HIGHER GUSTS UP TO 50 MPH THROUGH BAD ROCK CANYON. STRONG EAST WINDS ALSO POSSIBLE OVER FLATHEAD LAKE. * LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE...FLATHEAD LAKE...FLATHEAD VALLEY...MISSION VALLEY...POLSON $$ MTZ004-043-251200- /O.CON.KMSO.WS.W.0008.000000T0000Z-151125T1200Z/ 841 PM MST TUE NOV 24 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST WEDNESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST WEDNESDAY. * SNOW ACCUMULATIONS: 3 TO 6 INCHES OF NEW SNOW POSSIBLE AT LOOKOUT PASS BY WEDNESDAY MORNING... WITH 1 TO 4 INCHES IN MOST VALLEY LOCATIONS. * WINDS: 15-25 MPH WITH GUSTS UP TO 35 MPH IN MOST AREAS. WIND- PRONE AREAS SUCH AS EVARO HILL MAY SEE WINDS NEAR 45 MPH WITH BLOWING SNOW DURING THE FRONTAL PASSAGE IN THE AFTERNOON. * LOCATIONS IMPACTED INCLUDE...EVARO HILL...HIGHWAY 200 THOMPSON FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90 LOOKOUT PASS TO HAUGAN...HIGHWAY 200 BONNER TO GREENOUGH... HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST MISSOULA TO BEARMOUTH $$ MTZ005>007-251200- /O.CON.KMSO.WS.W.0008.000000T0000Z-151125T1200Z/ 841 PM MST TUE NOV 24 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST WEDNESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST WEDNESDAY. * SNOW ACCUMULATIONS: 1 TO 4 INCHES IN MOST VALLEY LOCATIONS. MACDONALD AND HOMESTAKE PASSES WILL SEE 3 TO 6 INCHES OF NEW SNOW WITH BLIZZARD CONDITIONS AT TIMES. * WINDS: 15-25 MPH WITH GUSTS UP TO 40 MPH IN MOST AREAS. SOME WIND-PRONE AREAS SUCH AS HELLGATE CANYON AND EVARO HILL MAY SEE WINDS UP TO 45 MPH WITH BLOWING SNOW DURING THE FRONTAL PASSAGE IN THE AFTERNOON. * LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA... HIGHWAY 93 SULA TO LOST TRAIL PASS...LOLO PASS...BUTTE... GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO ELLISTON...HOMESTAKE PASS...MACDONALD PASS $$ IDZ005>008-251200- /O.CON.KMSO.WW.Y.0043.000000T0000Z-151125T1200Z/ 741 PM PST TUE NOV 24 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST WEDNESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST WEDNESDAY. * SNOW ACCUMULATIONS: TRACE TO 2 INCHES FOR VALLEYS. WHITE BIRD HILL WILL SEE 2 TO 4 INCHES OF NEW SNOW. * LOCATIONS IMPACTED INCLUDE...ELK RIVER...HIGHWAY 11 PIERCE TO HEADQUARTERS...PIERCE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL TO LOLO PASS...CAMAS PRAIRIE...GRANGEVILLE AND VICINITY... GREER GRADE...HIGHWAY 95 SLATE CREEK TO RIGGINS...WHITE BIRD GRADE $$
478 WWUS45 KMSO 250548 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 1048 PM MST TUE NOV 24 2015 MTZ002-003-251200- /O.CON.KMSO.WS.W.0008.000000T0000Z-151125T1200Z/ 1048 PM MST TUE NOV 24 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST WEDNESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST WEDNESDAY. * IMPACTS: ROAD CONDITIONS WILL CONTINUE TO BE TREACHEROUS IN SPOTS TONIGHT, WITH FRESH SNOW ON TOP OF ICE IN MANY LOCATIONS. BLOWING AND DRIFTING SNOW IS POSSIBLE. * SNOW ACCUMULATIONS: A FEW LINGERING SNOW SHOWERS COULD BRING A TRACE UP TO AN INCH OVERNIGHT. * WINDS: NORTHEAST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH. LOCALLY HIGHER GUSTS UP TO 50 MPH THROUGH BAD ROCK CANYON. STRONG EAST WINDS ALSO POSSIBLE OVER FLATHEAD LAKE. * LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE...FLATHEAD LAKE...FLATHEAD VALLEY...MISSION VALLEY...POLSON $$ MTZ004-043-251200- /O.CON.KMSO.WS.W.0008.000000T0000Z-151125T1200Z/ 1048 PM MST TUE NOV 24 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST WEDNESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST WEDNESDAY. * IMPACTS: ROAD CONDITIONS WILL CONTINUE TO BE TREACHEROUS IN SPOTS TONIGHT, WITH FRESH SNOW ON TOP OF ICE IN MANY LOCATIONS. BLOWING AND DRIFTING SNOW IS POSSIBLE. * SNOW ACCUMULATIONS: A FEW LINGERING SNOW SHOWERS COULD BRING A TRACE UP TO AN INCH OVERNIGHT. * WINDS: EAST 15-25 MPH WITH GUSTS UP TO 35 MPH IN MOST AREAS. * LOCATIONS IMPACTED INCLUDE...EVARO HILL...HIGHWAY 200 THOMPSON FALLS TO PLAINS...HIGHWAY 200 TROUT CREEK TO HERON...I-90 LOOKOUT PASS TO HAUGAN...HIGHWAY 200 BONNER TO GREENOUGH... HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST MISSOULA TO BEARMOUTH $$ MTZ005>007-251200- /O.CON.KMSO.WS.W.0008.000000T0000Z-151125T1200Z/ 1048 PM MST TUE NOV 24 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST WEDNESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST WEDNESDAY. * IMPACTS: ROAD CONDITIONS WILL CONTINUE TO BE TREACHEROUS IN SPOTS TONIGHT, WITH FRESH SNOW ON TOP OF ICE IN MANY LOCATIONS. BLOWING AND DRIFTING SNOW IS POSSIBLE. * SNOW ACCUMULATIONS: A FEW LINGERING SNOW SHOWERS COULD BRING A TRACE UP TO AN INCH OVERNIGHT FOR THE MISSOULA AND BITTERROOT AREAS. FROM PHILIPSBURG TO THE BUTTE BLACKFOOT CORRIDOR AND INTERSTATE 90 EAST OF GARRISON JUNCTION, 1 TO 3 INCHES ADDITIONAL ACCUMULATION. * WINDS: 15-25 MPH WITH GUSTS UP TO 40 MPH IN MOST AREAS. SOME WIND-PRONE AREAS SUCH AS HELLGATE CANYON AND EVARO HILL MAY SEE WINDS UP TO 45 MPH WITH BLOWING SNOW. * LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA... HIGHWAY 93 SULA TO LOST TRAIL PASS...LOLO PASS...BUTTE... GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO ELLISTON...HOMESTAKE PASS...MACDONALD PASS $$ IDZ005>008-251200- /O.CON.KMSO.WW.Y.0043.000000T0000Z-151125T1200Z/ 948 PM PST TUE NOV 24 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST WEDNESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST WEDNESDAY. * IMPACTS: SLICK ROAD CONDITIONS POSSIBLE TONIGHT, ESPECIALLY ABOVE 4,000 FEET ELEVATION. * SNOW ACCUMULATIONS: OVERNIGHT SNOW SHOWERS COULD BRING A TRACE TO AN INCH FOR VALLEYS. WHITE BIRD HILL SUMMIT COULD SEE ANOTHER 1 TO 3 INCHES OVERNIGHT. * LOCATIONS IMPACTED INCLUDE...ELK RIVER...HIGHWAY 11 PIERCE TO HEADQUARTERS...PIERCE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL TO LOLO PASS...CAMAS PRAIRIE...GRANGEVILLE AND VICINITY... GREER GRADE...HIGHWAY 95 SLATE CREEK TO RIGGINS...WHITE BIRD GRADE $$
294 WWUS45 KMSO 251151 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 451 AM MST WED NOV 25 2015 IDZ005>008-251300- /O.EXP.KMSO.WW.Y.0043.000000T0000Z-151125T1200Z/ 351 AM PST WED NOV 25 2015 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 4 AM PST EARLY THIS MORNING... THE WINTER WEATHER ADVISORY WILL EXPIRE AT 4 AM PST EARLY THIS MORNING. * IMPACTS/TIMING: SNOW HAS DIMINISHED ACROSS THE AREA THIS MORNING, AND HAS MOSTLY BEEN LIMITED TO ELEVATIONS ABOUT 4,000 FEET. A FEW MORE SHOWERS CAN BE EXPECTED THIS MORNING, BUT SIGNIFICANT IMPACTS TO AREA ROADS ARE NOT EXPECTED. * LOCATIONS IMPACTED INCLUDE...ELK RIVER...HIGHWAY 11 PIERCE TO HEADQUARTERS...PIERCE...DIXIE...ELK CITY...HIGHWAY 12 LOWELL TO LOLO PASS...CAMAS PRAIRIE...GRANGEVILLE AND VICINITY... GREER GRADE...HIGHWAY 95 SLATE CREEK TO RIGGINS...WHITE BIRD GRADE $$ MTZ002-003-251700- /O.EXT.KMSO.WS.W.0008.000000T0000Z-151125T1700Z/ 451 AM MST WED NOV 25 2015 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 10 AM MST THIS MORNING... THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 10 AM MST THIS MORNING. * IMPACTS: ROAD CONDITIONS WILL CONTINUE TO BE TREACHEROUS IN PLACES THIS MORNING, WITH FRESH SNOW ON TOP OF ICE IN SOME LOCATIONS. BLOWING AND DRIFTING SNOW IS POSSIBLE. * SNOW ACCUMULATIONS: NO ADDITIONAL SNOWFALL IS EXPECTED, THOUGH BLOWING SNOW MAY CAUSE EXTRA ACCUMULATION ON ROADS. * WINDS: NORTHEAST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH IN THE KALISPELL AREA. EQUALLY STRONG WINDS ALONG THE EAST SIDE OF FLATHEAD LAKE. ELSEWHERE, NORTHEAST WINDS 10 TO 20 MPH. * LOCATIONS IMPACTED INCLUDE...BAD ROCK CANYON...ESSEX...HIGHWAY 83 BIGFORK TO SWAN LAKE...MARIAS PASS...POLEBRIDGE...FLATHEAD LAKE...FLATHEAD VALLEY...MISSION VALLEY...POLSON $$ MTZ004-043-251700- /O.EXT.KMSO.WS.W.0008.000000T0000Z-151125T1700Z/ 451 AM MST WED NOV 25 2015 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 10 AM MST THIS MORNING... THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 10 AM MST THIS MORNING. * IMPACTS: ROAD CONDITIONS WILL CONTINUE TO BE TREACHEROUS IN PLACES THIS MORNING, WITH FRESH SNOW ON TOP OF ICE IN SOME LOCATIONS. BLOWING AND DRIFTING SNOW IS POSSIBLE. * SNOW ACCUMULATIONS: NO ADDITIONAL SNOWFALL IS EXPECTED, THOUGH BLOWING SNOW MAY CAUSE EXTRA ACCUMULATION ON ROADS. * WINDS: EAST 15-25 MPH WITH GUSTS UP TO 35 MPH, ESPECIALLY IN EAST TO WEST ORIENTED CANYONS. * LOCATIONS IMPACTED INCLUDE...EVARO HILL...HIGHWAY 200 THOMPSON FALLS TO PLAINS... HIGHWAY 200 TROUT CREEK TO HERON...I-90 LOOKOUT PASS TO HAUGAN... HIGHWAY 200 BONNER TO GREENOUGH... HIGHWAY 83 SEELEY LAKE TO CONDON...I-90 EAST MISSOULA TO BEARMOUTH $$ MTZ005>007-251700- /O.EXT.KMSO.WS.W.0008.000000T0000Z-151125T1700Z/ 451 AM MST WED NOV 25 2015 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 10 AM MST THIS MORNING... THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 10 AM MST THIS MORNING. * IMPACTS: ROAD CONDITIONS WILL CONTINUE TO BE TREACHEROUS IN PLACES THIS MORNING, WITH FRESH SNOW ON TOP OF ICE IN SOME LOCATIONS. BLOWING AND DRIFTING SNOW IS POSSIBLE. * SNOW ACCUMULATIONS: NO ADDITIONAL SNOW FOR THE MISSOULA AND BITTERROOT AREAS, THOUGH BLOWING SNOW MAY CAUSE ADDITIONAL ACCUMULATIONS IN SOME AREAS. FROM PHILIPSBURG TO THE BUTTE BLACKFOOT CORRIDOR AND INTERSTATE 90 EAST OF GARRISON JUNCTION, EXPECT 1 TO 3 INCHES ADDITIONAL ACCUMULATION. * WINDS: 15-25 MPH WITH GUSTS UP TO 35 MPH IN MOST AREAS. SOME WIND- PRONE AREAS SUCH AS HELLGATE CANYON MAY SEE WINDS UP TO 45 MPH. * LOCATIONS IMPACTED INCLUDE...BITTERROOT VALLEY...MISSOULA... HIGHWAY 93 SULA TO LOST TRAIL PASS...LOLO PASS...BUTTE... GEORGETOWN LAKE...HIGHWAY 12 GARRISON TO ELLISTON... HOMESTAKE PASS...MACDONALD PASS $$ IDZ010-260600- /O.NEW.KMSO.WW.Y.0044.151125T1200Z-151126T0600Z/ 451 AM MST WED NOV 25 2015 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 PM MST THIS EVENING... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW, BLOWING SNOW, AND SLICK ROADS...WHICH IS IN EFFECT UNTIL 11 PM MST THIS EVENING. * IMPACTS: HIGHWAY 28 FROM AROUND LEADORE TO GILMORE SUMMIT WILL SEE SNOW AND BLOWING SNOW, LEADING TO DETERIORATING ROAD CONDITIONS. * SNOW ACCUMULATIONS: 3 TO 6 INCHES POSSIBLE, ESPECIALLY NEAR GILMORE SUMMIT. * WINDS: NORTHERLY WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH POSSIBLE. * LOCATIONS IMPACTED INCLUDE...BANNOCK PASS...HIGHWAY 28 TENDOY TO LONE PINE...LEMHI PASS $$
604 WWUS45 KMSO 251555 WSWMSO URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE MISSOULA MT 855 AM MST WED NOV 25 2015 MTZ002>007-043-251700- /O.CAN.KMSO.WS.W.0008.000000T0000Z-151125T1700Z/ 855 AM MST WED NOV 25 2015 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER STORM WARNING. $$ IDZ010-251700- /O.CAN.KMSO.WW.Y.0044.000000T0000Z-151126T0600Z/ 855 AM MST WED NOV 25 2015 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN MISSOULA HAS CANCELLED THE WINTER WEATHER ADVISORY. $$
What forecasters said that day
The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Missoula, MT wrote its last area forecast discussion before this winter storm warning went out at Nov 23, 7:39 AM MST, 6 hours 30 minutes earlier.
Area forecast discussion, Nov 23, 7:39 AM MST, 6 hours 30 minutes before
AREA FORECAST DISCUSSION...CORRECTED
National Weather Service Missoula MT
739 AM MST MON NOV 23 2015
...ARCTIC FRONT WITH SNOW, WIND, AND COLD TUESDAY...
...DRY AND COLD FOR THANKSGIVING DAY...
.DISCUSSION...
Benign weather will continue today as a weak ridge of high
pressure lies over the Northern Rockies. A few clouds will round
the top of the ridge and drift overhead from around Lost Trail
Pass northward. Continued subsidence with the ridge may cause a
few valley inversions to persist, particularly in the Missoula
Valley. Areas that partially or fully break out of the inversion
will warm up nicely, with some upper 40s possible for western
Montana valleys.
Big changes will be underway by late tonight as deep and cold
upper level low dives southward along the Pacific NW coastline
and pushes an initial band of precipitation towards our area.
Models have trended slower and a bit drier with this initial
round, but continue to show precipitation reaching the Camas
Prairie region of Idaho by daybreak Tuesday.
Tuesday and Wednesday: A strong Canadian cold front will push
south during the day Tuesday across most areas and into Lemhi
County by early Wednesday morning. Weather models have really
trended the Pacific system further south with each run and
therefore weakening the moist overrunning setup we had been
anticipating. What this means for us is less precipitation
amounts and a fast, south moving front. This explains why we have
lowered snowfall amounts in the forecast. There still could be
areas that see high impact weather...those areas that receive
accumulating snowfall over wet roads then freezing up. This could
make for slick holiday travel Tuesday evening. While the strong
wind gradient will help keep snow amounts down with downsloping,
there could be wind gusts near 50 mph at Bad Rock Canyon, Flathead
Lake especially from the Narrows to Yellow Bay, Hellgate Canyon,
Helmville and MacDonald Pass. These areas could experience some
blowing snow with the initial frontal passage but due to minimal
snowfall, visibility will likely improve with time.
With cold temperatures being 10 to 15 degrees colder than normal
and winds staying up in some locations especially in constricted
terrain and gaps, wind chills will dip into the negative single
digits and teens Wednesday into Thursday morning. Please be
prepared when driving through Montana and central Idaho by
carrying warm gear and other emergency items in your vehicle just
in case you break down.
Overall, we have continued the winter storm watches for the whole
area as we still don't have a lot of confidence on which
locations will see the most impacts. This may be changed to
advisories or warnings by this afternoon. Stay tuned!
For Thanksgiving Day, expect mostly clear and cold conditions
across the Northern Rockies. A few wrap-around showers may linger
in the morning hours across southwest MT and along the Continental
Divide, but otherwise quiet weather is expected by the afternoon.
The one exception could be lake-effect snow showers in vicinity of
Flathead Lake, potentially causing locally slick roads. With some
lingering light east winds, expect wind chills to be quite cold
(near or below zero), especially over the higher terrain of
western Montana.
Looking ahead to next weekend, the upper-level low is expected to
meander over the Great Basin as a Rex Block type of pattern sets
up over the Western US. This means mostly dry and continued cold
weather for our area, with valley inversions becoming more
pronounced each day, especially over western Montana. Air quality
issues could emerge by the weekend, with an increasing chance of
patchy freezing fog as well. After prolonged cold, we may start to
see some early season ice jams in favored areas such as the Salmon
River in Lemhi County.
&&
.AVIATION...High pressure will bring good flying conditions
today with light to calm winds. Clouds will begin to increase from
the west by late today as a colder weather system takes aim at the
area for Tuesday.
&&
.MSO WATCHES/WARNINGS/ADVISORIES...
MT...Winter Storm Watch from Tuesday afternoon through late Tuesday
night Butte/Blackfoot Region...Lower Clark Fork Region...
Missoula/Bitterroot Valleys...Potomac/Seeley Lake Region.
Winter Storm Watch from Tuesday afternoon through late Tuesday
night Bitterroot/Sapphire Mountains.
Winter Storm Watch from Tuesday morning through late Tuesday
night Flathead/Mission Valleys...Kootenai/Cabinet Region.
Winter Storm Watch from late Monday night through late Tuesday
night West Glacier Region.
ID...Winter Storm Watch from Tuesday afternoon through late Tuesday
night Eastern Lemhi County...Western Lemhi County.
Winter Storm Watch from Tuesday afternoon through late Tuesday
night Lower Hells Canyon/Salmon River Region...Northern
Clearwater Mountains...Orofino/Grangeville Region...
Southern Clearwater Mountains.
&&Nearby
Winter Storm Warnings in Montana, 2015Every winter storm warning in 2015
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.