National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Record Temperatures Expected Across the Southern US; Fire Weather Concerns in the Central US

Unseasonably warm temperatures continue today across the southern U.S., with more than 100 record or near record maximum temperatures forecast through the rest of the week and over the weekend. Dry and gusty winds will produce elevated to critical fire weather in the central and southern Plains and elevated conditions over portions of the Desert Southwest on Friday. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

NA

19°F

-7°C

Humidity 94%
Wind Speed E 1 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility NA
Last update 27 Mar 03:30 AM MDT
Extended Forecast for

12 Miles W Marysville MT

  • Overnight

    Overnight: Clear, with a low around 16. Southwest wind around 14 mph.

    Low: 16 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 40. Southwest wind 13 to 20 mph, with gusts as high as 25 mph.

    High: 40 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 28. West southwest wind 15 to 20 mph, with gusts as high as 24 mph.

    Low: 28 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 44. West southwest wind 15 to 21 mph, with gusts as high as 28 mph.

    High: 44 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 29. Breezy, with a west wind 17 to 25 mph, with gusts as high as 29 mph.

    Low: 29 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 43. Breezy.

    High: 43 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 31. Breezy. Little or no snow accumulation expected.

    Low: 31 °F

    Chance Snow
    and Breezy

  • Monday

    Monday: Snow likely, mainly after noon. Mostly cloudy, with a high near 39. Windy.

    High: 39 °F

    Snow Likely
    and Windy

  • Monday Night

    Monday Night: A chance of snow. Mostly cloudy, with a low around 21. Breezy.

    Low: 21 °F

    Chance Snow
    and Breezy

Detailed Forecast

Overnight
Clear, with a low around 16. Southwest wind around 14 mph.
Friday
Sunny, with a high near 40. Southwest wind 13 to 20 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 28. West southwest wind 15 to 20 mph, with gusts as high as 24 mph.
Saturday
Mostly sunny, with a high near 44. West southwest wind 15 to 21 mph, with gusts as high as 28 mph.
Saturday Night
Mostly cloudy, with a low around 29. Breezy, with a west wind 17 to 25 mph, with gusts as high as 29 mph.
Sunday
Mostly sunny, with a high near 43. Breezy.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 31. Breezy. Little or no snow accumulation expected.
Monday
Snow likely, mainly after noon. Mostly cloudy, with a high near 39. Windy.
Monday Night
A chance of snow. Mostly cloudy, with a low around 21. Breezy.
Tuesday
Snow likely. Partly sunny, with a high near 29.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 21.
Wednesday
A chance of snow. Mostly cloudy, with a high near 34.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 25.
Thursday
Snow. Cloudy, with a high near 29. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles W Marysville MT
 46.77°N 112.54°W (Elev. 8199 ft)
Last Update:
2:01 am MDT Mar 27, 2026
Forecast Valid:
3am MDT Mar 27, 2026-6pm MDT Apr 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation