Risks of Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Fire Weather Concerns in Alaska and Southwest

An expansive storm system will bring widespread storms with a threat for flash flooding and severe weather to much of the central to eastern U.S. into early this week. Critical fire weather conditions are expected across interior Alaska this weekend. Elevated fire conditions also expected in the Southwest U.S.. Conditions will remain uncomfortably hot across the southern Plains and the Southeast. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

NA

72°F

22°C

Humidity 33%
Wind Speed NW 1 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 20 Jun 08:15 PM MDT
Extended Forecast for

6 Miles S Elliston MT

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 9pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 44. West wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 67. West wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 40. Northwest wind 6 to 13 mph becoming east northeast after midnight. Winds could gust as high as 20 mph.

    Low: 40 °F

    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 61. East northeast wind 6 to 8 mph becoming northwest in the afternoon.

    High: 61 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 37. Northeast wind 8 to 13 mph becoming light and variable  after midnight. Winds could gust as high as 18 mph.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 44. West wind 7 to 11 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 67. West wind 6 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 40. Northwest wind 6 to 13 mph becoming east northeast after midnight. Winds could gust as high as 20 mph.
Monday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 61. East northeast wind 6 to 8 mph becoming northwest in the afternoon.
Monday Night
Mostly clear, with a low around 37. Northeast wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 75.
Friday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 46.
Saturday
A chance of rain and thunderstorms. Partly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles S Elliston MT
 46.49°N 112.4°W (Elev. 6512 ft)
2:01 pm MDT Jun 20, 2026
8pm MDT Jun 20, 2026-6pm MDT Jun 27, 2026
 
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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