Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

43°F

6°C

Humidity	59%
Wind Speed	WNW 7 MPH
Barometer	NA
Dewpoint	30°F (-1°C)
Visibility	NA
Wind Chill	39°F (4°C)
Last update	21 Mar 07:45 PM MDT

More Information:

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

Extended Forecast for

12 Miles W Marysville MT

Tonight
Low: 21 °F
Mostly Clear
and Windy
Sunday
High: 33 °F
Sunny and
Windy
Sunday Night
Low: 25 °F
Mostly Clear
and Breezy
then Partly
Cloudy
Monday
High: 42 °F
Mostly Sunny
Monday Night
Low: 30 °F
Mostly Cloudy
Tuesday
High: 42 °F
Slight Chance
Snow then
Chance Snow
and Breezy
Tuesday Night
Low: 33 °F
Rain/Snow
Likely
Wednesday
High: 40 °F
Chance
Rain/Snow and
Breezy
Wednesday Night
Low: 22 °F
Chance Snow
and Breezy

Detailed Forecast

Tonight

Mostly clear, with a low around 21. Windy, with a west wind 33 to 38 mph decreasing to 25 to 30 mph in the evening. Winds could gust as high as 44 mph.

Sunday

Sunny, with a high near 33. Windy, with a west wind 26 to 32 mph, with gusts as high as 37 mph.

Sunday Night

Partly cloudy, with a low around 25. Breezy, with a west wind 23 to 28 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 33 mph.

Monday

Mostly sunny, with a high near 42. West southwest wind 14 to 18 mph, with gusts as high as 25 mph.

Monday Night

Mostly cloudy, with a low around 30. West wind 14 to 21 mph, with gusts as high as 24 mph.

Tuesday

A 50 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 42. Breezy. Little or no snow accumulation expected.

Tuesday Night

Rain and snow likely, mainly before midnight. Mostly cloudy, with a low around 33. Chance of precipitation is 60%. Little or no snow accumulation expected.

Wednesday

A chance of rain and snow before 3pm, then a chance of snow. Partly sunny, with a high near 40. Breezy.

Wednesday Night

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

Thursday

A slight chance of snow before noon. Sunny, with a high near 30. Breezy.

Thursday Night

Mostly clear, with a low around 19. Breezy.

Friday

Sunny, with a high near 36.

Friday Night

Partly cloudy, with a low around 22.