Cold Weather Advisory
* WHAT...Very cold wind chills as low as 35 below.
* WHERE...Southern Rocky Mountain Front and adjacent foothills and
plains, Eastern Pondera and Eastern Teton Counties, Hill County,
Northern Blaine County, Western and Central Chouteau County, Bears
Paw Mountains and Southern Blaine, Cascade County below 5000ft,
Upper Blackfoot and MacDonald Pass, and Gates of the Mountains.
* WHEN...Until noon MST Thursday.
* IMPACTS...The dangerously cold wind chills as low as 35 below zero
could cause frostbite on exposed skin in as little as 10 minutes.
From: Feb 19, 2026 06:26
Until: Feb 19, 2026 19:00
Winter Weather Advisory
* WHAT...Snow. Additional snow accumulations up to three inches.
* WHERE...The Interstate 90 Corridor between Bozeman and Whitehall,
The Madison and Beaverhead River Valleys, and Big Belt, Bridger
and Castle Mountains.
* WHEN...Until 11 PM MST this evening.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Wednesday evening commute.
From: Feb 18, 2026 17:54
Until: Feb 19, 2026 06:00
Winter Weather Advisory
* WHAT...Snow. Total snow accumulations between 1 and 3 inches.
* WHERE...The Interstate 90 Corridor between Bozeman and Whitehall,
The Madison and Beaverhead River Valleys, and Big Belt, Bridger
and Castle Mountains.
* WHEN...Until 11 PM MST Wednesday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Wednesday morning and evening commutes.
From: Feb 18, 2026 06:38
Until: Feb 19, 2026 00:00
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 30 below.
* WHERE...Southern Rocky Mountain Front and adjacent foothills and
plains, Eastern Pondera and Eastern Teton Counties, Hill County,
Northern Blaine County, Western and Central Chouteau County, Bears
Paw Mountains and Southern Blaine, Cascade County below 5000ft,
Upper Blackfoot and MacDonald Pass, and Gates of the Mountains.
* WHEN...Until noon MST Thursday.
* IMPACTS...The dangerously cold wind chills as low as 30 below zero
could cause frostbite on exposed skin in as little as 15 minutes.
From: Feb 18, 2026 06:25
Until: Feb 18, 2026 21:30
High Wind Watch
* WHAT...West winds 35 to 45 mph with gusts up to 75 mph possible.
* WHERE...The Rocky Mountain Front and adjacent foothills and plains.
* WHEN...From Friday evening through Saturday morning.
* IMPACTS...High winds may move loose debris, damage property and
cause power outages. Travel could be difficult, especially for
high profile vehicles.
From: Jan 29, 2026 19:06
Until: Jan 30, 2026 10:15
Winter Weather Advisory
* WHAT...Snow expected. There is a likelihood of minor to moderate
winter weather impacts. Total snow accumulations up to 3 inches,
except up to 1 inch in Butte.
* WHERE...MacDonald Pass, I-90 East Missoula to Bearmouth, Butte,
Homestake Pass, Highway 200 Bonner to Greenough, Highway 12
Garrison to Elliston, Georgetown Lake, and Highway 83 Seeley Lake
to Condon.
* WHEN...From 5 PM this afternoon to 11 AM MST Wednesday.
* IMPACTS...Winter traveling conditions. For MINOR winter weather
impacts, expect a few inconveniences to normal activities. Black
ice possible in valley locations for Tuesday evening and Wednesday
morning commutes. Use caution while driving. The hazardous
conditions could impact the Tuesday evening and Wednesday morning
commutes, especially over higher passes.
From: Jan 06, 2026 19:06
Until: Jan 07, 2026 18:00
Special Weather Statement
At 415 PM MST, snow showers were increasing along the continental
divide from Rogers Pass south through Elk Park. These snow showers
will become more numerous across southern Lewis and Clark,
Jefferson, Broadwater and Meagher counties through early this
evening and may organize into bands with locally more intense
snowfall.
Visibility may be locally reduced to less than one mile in snow
showers with quick slushy accumulation on road surfaces this
evening. Snowfall amounts to around 2 inches are expected near
the continental divide with an inch or less at elevations below
5000 feet, including the Helena Valley. In addition, temperatures
falling below freezing may lead to icy road conditions.
Those traveling the interstate between Helena and Butte or over
passes across the continental divide are most likely to see
winter weather impacts this evening and should be alert for
changing road conditions and areas of poor visibility this
evening.
From: Jan 05, 2026 23:31
Until: Jan 06, 2026 04:00
High Wind Warning
* WHAT...Southwest winds 30 to 45 mph with gusts up to 75 mph
expected.
* WHERE...The Rocky Mountain Front and adjacent foothills and
plains, and Eastern Glacier, Western Toole, and Central Pondera
Counties.
* WHEN...From 11 PM Monday to 11 PM MST Tuesday.
* IMPACTS...High winds may move loose debris, damage property and
cause power outages. Travel could be difficult, especially for
high profile vehicles.
* ADDITIONAL DETAILS...Another period of gusty winds is likely to
follow during the day Wednesday.
From: Jan 05, 2026 06:46
Until: Jan 06, 2026 00:15
Special Weather Statement
At 1108 AM MST/1008 AM PST/, Doppler radar was tracking intense snow
showers along a line extending from 9 miles northeast of Evaro to 15
miles west of Victor. Movement was east at 30 mph.
HAZARD...Visibility one-half mile or less.
SOURCE...Radar indicated.
IMPACT...Low visibility and quickly changing road conditions could
result in difficult driving conditions.
Locations impacted include...
Missoula, Lolo, Stevensville, Florence, Evaro, Victor, Bonner-West
Riverside, East Missoula, Wye, Potomac, Clinton, Turah, Bell
Crossing, and Twin Creeks.
This includes the following highways...
Interstate 90 between mile markers 97 and 124.
Highway 83 between mile markers 3 and 4.
Highway 93 S between mile markers 57 and 94.
Highway 200 E between mile markers 0 and 17.
From: Jan 05, 2026 18:10
Until: Jan 05, 2026 18:45
High Wind Watch
* WHAT...Southwest winds 35 to 45 mph with gusts up to 75 mph
possible.
* WHERE...The Rocky Mountain Front and adjacent foothills and
plains, and Eastern Glacier, Western Toole, and Central Pondera
Counties.
* WHEN...From Monday evening through Tuesday evening.
* IMPACTS...High winds may move loose debris, damage property and
cause power outages. Travel could be difficult, especially for
high profile vehicles.
* ADDITIONAL DETAILS...The strongest winds are most likely during
the late morning and afternoon hours on Tuesday. Another round of
strong winds is likely on Wednesday.
From: Jan 04, 2026 20:09
Until: Jan 05, 2026 11:15
High Wind Watch
* WHAT...Southwest winds 35 to 45 mph with gusts up to 75 mph
possible.
* WHERE...The Rocky Mountain Front and adjacent foothills and
plains, and Eastern Glacier, Western Toole, and Central Pondera
Counties.
* WHEN...From Monday evening through Tuesday evening.
* IMPACTS...High winds may move loose debris, damage property and
cause power outages. Travel could be difficult, especially for
high profile vehicles.
* ADDITIONAL DETAILS...The strongest winds are most likely during
the late morning and afternoon hours.
From: Jan 04, 2026 09:29
Until: Jan 05, 2026 00:30
Winter Weather Advisory
...SNOW AND WINTRY MIX TODAY...
.This set of Winter Weather Advisories has been issued due to
concerns for mixed precipitation types given the recent colder
weather and subsequently cold road temperatures. Do not expect
significant or major accumulations amounts of ice and/or snow. Rain
or wet snow falling on frozen surfaces can easily become very slick
and exacerbated by compaction and/or frictional heating from tires
on roadways.
* WHAT...Snow and mixed precipitation expected. There is a chance of
minor to moderate winter weather impacts. Total snow accumulations
up to two inches and ice accumulations up to one-tenth of an inch.
* WHERE...Highway 200 Bonner to Greenough, I-90 East Missoula to
Bearmouth, and Highway 83 Seeley Lake to Condon.
* WHEN...Until noon MST today.
* IMPACTS...Plan on slippery road conditions. Use caution while
driving. The hazardous conditions could impact the Friday morning
commute, especially over higher passes.
From: Jan 02, 2026 07:45
Until: Jan 02, 2026 19:00
Winter Weather Advisory
...SNOW AND WINTRY MIX TODAY...
.This set of Winter Weather Advisories has been issued due to
concerns for mixed precipitation types given the recent colder
weather and subsequently cold road temperatures. Do not expect
significant or major accumulations amounts of ice and/or snow. Rain
or wet snow falling on frozen surfaces can easily become very slick
and exacerbated by compaction and/or frictional heating from tires
on roadways.
* WHAT...Mixed precipitation expected. There is a likelihood of
minor to moderate winter weather impacts. Additional snow
accumulations up to one inch and ice accumulations up to
five-hundredths of an inch.
* WHERE...Georgetown Lake, MacDonald Pass, Highway 12 Garrison to
Elliston, Homestake Pass, and Butte.
* WHEN...Until noon MST today.
* IMPACTS...For MINOR winter weather impacts, expect a few
inconveniences to normal activities. Use caution while driving.
Winter traveling conditions. The hazardous conditions could impact
the Friday morning commute, especially over higher passes.
From: Jan 02, 2026 07:45
Until: Jan 02, 2026 19:00
Winter Weather Advisory
...SNOW AND WINTRY MIX FOR THURSDAY NIGHT INTO FRIDAY...
.This set of Winter Weather Advisories has been issued due to
concerns for mixed precipitation types given the recent colder
weather and subsequently cold road temperatures. Do not expect
significant or major accumulations amounts of ice and/or snow. Rain
or wet snow falling on frozen surfaces can easily become very slick
and exacerbated by compaction and/or frictional heating from tires
on roadways.
* WHAT...Snow and mixed precipitation expected. There is a chance of
minor to moderate winter weather impacts. Total snow accumulations
up to two inches and ice accumulations up to one-tenth of an inch.
* WHERE...I-90 East Missoula to Bearmouth, Highway 83 Seeley Lake to
Condon, and Highway 200 Bonner to Greenough.
* WHEN...From 7 PM this evening to noon MST Friday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Friday morning commute, especially
over higher passes.
From: Jan 01, 2026 20:18
Until: Jan 02, 2026 19:00
