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

Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

NA

71°F

22°C

Humidity 40%
Wind Speed SSE 7 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 20 Jun 04:30 PM MDT
Extended Forecast for

4 Miles SSW Elliston MT

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 72. West wind around 10 mph, with gusts as high as 20 mph.

    High: 72 °F

    Chance
    T-storms

  • 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 6 to 11 mph, with gusts as high as 22 mph.

    Low: 44 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 68. West wind 6 to 13 mph, with gusts as high as 22 mph.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 40. Northwest wind 6 to 11 mph becoming east northeast after midnight. Winds could gust as high as 21 mph.

    Low: 40 °F

    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 62. East wind 6 to 9 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 62 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70.

    High: 70 °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 76.

    High: 76 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 72. West wind around 10 mph, with gusts as high as 20 mph.
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 6 to 11 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 68. West wind 6 to 13 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 40. Northwest wind 6 to 11 mph becoming east northeast after midnight. Winds could gust as high as 21 mph.
Monday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 62. East wind 6 to 9 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 76.
Friday Night
A chance of rain and thunderstorms. Partly cloudy, with a low around 45.
Saturday
A chance of rain and thunderstorms. Partly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Elliston MT
 46.5°N 112.46°W (Elev. 6270 ft)
Last Update:
2:01 pm MDT Jun 20, 2026
Forecast Valid:
4pm MDT Jun 20, 2026-6pm MDT Jun 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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