Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms will be possible from the central Plains to the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Interior Alaska and the Four Corners region through Monday. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

NA

57°F

14°C

Humidity 45%
Wind Speed ESE 0 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 21 Jun 10:45 PM MDT
Extended Forecast for

9 Miles NNW Garrison MT

  • Tonight

    Tonight: Partly cloudy, with a low around 44. North wind 3 to 5 mph.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms after 4pm.  Sunny, with a high near 66. Calm wind becoming west 5 to 8 mph in the afternoon.  Chance of precipitation is 20%.

    High: 66 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. East northeast wind 5 to 8 mph becoming light and variable  after midnight.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 69. East wind 3 to 6 mph.

    High: 69 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 46. East northeast wind 5 to 9 mph becoming light east  after midnight. Winds could gust as high as 20 mph.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 44. North wind 3 to 5 mph.
Monday
A slight chance of showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 66. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 41. East northeast wind 5 to 8 mph becoming light and variable after midnight.
Tuesday
Sunny, with a high near 69. East wind 3 to 6 mph.
Tuesday Night
Partly cloudy, with a low around 46. East northeast wind 5 to 9 mph becoming light east after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
Mostly cloudy, with a low around 52.
Friday
A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 66.
Friday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 44.
Saturday
Rain and thunderstorms likely. Partly sunny, with a high near 53.
Saturday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 39.
Sunday
A chance of rain and thunderstorms. Partly sunny, with a high near 47.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNW Garrison MT
 46.66°N 112.86°W (Elev. 5502 ft)
2:01 pm MDT Jun 21, 2026
11pm MDT Jun 21, 2026-6pm MDT Jun 28, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database