Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

33°F

1°C

Humidity	NA
Wind Speed	E 0 MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Last update	NA

More Information:

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

Extended Forecast for

12 Miles W Marysville MT

Today
High: 40 °F
Slight Chance
Snow Showers
then Snow
Showers
Tonight
Low: 28 °F
Snow Showers
Monday
High: 33 °F
Snow Showers
and Breezy
Monday Night
Low: 28 °F
Breezy.
Chance Snow
Showers then
Mostly Cloudy
Tuesday
High: 35 °F
Slight Chance
Snow Showers
and Windy
Tuesday Night
Low: 28 °F
Mostly Cloudy
and Windy
then Chance
Snow Showers
and Breezy
Wednesday
High: 32 °F
Snow Showers
and Breezy
Wednesday Night
Low: 19 °F
Snow and
Breezy
Thursday
High: 22 °F
Snow and
Breezy

Detailed Forecast

Today

Snow showers, mainly after 2pm. Some thunder is also possible. High near 40. Southwest wind 10 to 16 mph becoming east in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Tonight

Snow showers. Some thunder is also possible. Low around 28. East southeast wind 15 to 17 mph becoming west in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Monday

Snow showers. High near 33. Breezy, with a west southwest wind 17 to 23 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Monday Night

A 40 percent chance of snow showers before midnight. Mostly cloudy, with a low around 28. Breezy, with a west wind around 26 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.

Tuesday

A 20 percent chance of snow showers. Mostly cloudy, with a high near 35. Windy, with a west southwest wind 25 to 31 mph, with gusts as high as 37 mph.

Tuesday Night

A 40 percent chance of snow showers after midnight. Mostly cloudy, with a low around 28. Windy. New snow accumulation of less than a half inch possible.

Wednesday

Snow showers. High near 32. Breezy. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Wednesday Night

Snow. Mostly cloudy, with a low around 19. Breezy.

Thursday

Snow. Cloudy, with a high near 22. Breezy.

Thursday Night

A chance of snow, mainly before midnight. Mostly cloudy, with a low around 16.

Friday

Snow likely. Partly sunny, with a high near 28. Breezy.

Friday Night

A slight chance of snow. Partly cloudy, with a low around 19.