Severe Thunderstorms and Heavy Rainfall from the Lower Mississippi Valley to the Mid-Atlantic; Active Pattern Continues in Hawaii

Scattered severe thunderstorms are expected today from the ArkLaTex and Lower Mississippi Valley through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat today from east Texas into New York. A powerful kona storm will continue to impact Hawaii through Saturday, bringing heavy rainfall, strong winds, and severe thunderstorms. Read More >

Hazardous Weather Conditions

Winter Storm Warning in effect from March 12, 12:00 AM MDT until March 14, 12:00 PM MDT

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

Lat: 46.52361°NLon: 112.80843°WElev: 4327.0ft.

42°F

6°C

Humidity	37%
Wind Speed	W 10 MPH
Barometer	NA
Dewpoint	17°F (-8°C)
Visibility	NA
Wind Chill	36°F (2°C)
Last update	11 Mar 04:15 PM MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

7 Miles NW Garrison MT

Winter Storm Warning March 12, 12:00am until March 14, 12:00pm

Click here for hazard details and duration

Winter Storm Warning

This Afternoon
High: 43 °F
Chance
Rain/Snow
Tonight
Low: 33 °F
Rain/Snow
Likely then
Rain and
Breezy
Thursday
High: 45 °F
Windy.
Rain/Snow
then Snow
Thursday Night
Low: 30 °F
Snow
Friday
High: 42 °F
Snow
Friday Night
Low: 30 °F
Snow then
Rain/Snow
Saturday
High: 41 °F
Rain/Snow
then Snow
Saturday Night
Low: 12 °F
Snow Likely
Sunday
High: 37 °F
Partly Sunny
then Slight
Chance Snow

Detailed Forecast

This Afternoon

A chance of snow before 5pm, then a chance of rain and snow. Snow level 4200 feet. Mostly cloudy, with a high near 43. West southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

Tonight

Rain and snow likely before midnight, then rain. Snow level 4500 feet rising to 5600 feet after midnight. Low around 33. Breezy, with a west southwest wind 11 to 16 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 46 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Thursday

Snow, possibly mixed with rain, becoming all snow after 11am. High near 45. Windy, with a west wind 28 to 34 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Thursday Night

Snow. Low around 30. West wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Friday

Snow. High near 42. West wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Friday Night

Snow before 3am, then rain and snow. Low around 30. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Saturday

Rain and snow, becoming all snow after 9am. High near 41. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

Saturday Night

Snow likely, mainly before midnight. Mostly cloudy, with a low around 12.

Sunday

A slight chance of snow after noon. Mostly cloudy, with a high near 37.

Sunday Night

A chance of snow. Mostly cloudy, with a low around 22.

Monday

A chance of rain and snow. Snow level rising to 7000 feet in the afternoon. Mostly cloudy, with a high near 50.