Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

NA

39°F

4°C

Humidity 95%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 09 Sep 03:00 AM MDT
Extended Forecast for

8 Miles WNW Elliston MT

  • Overnight

    Overnight: Areas of fog.  Otherwise, mostly clear, with a low around 32. Calm wind.

    Low: 32 °F

    Areas Fog

  • Wednesday

    Wednesday: Areas of fog before 8am.  Otherwise, sunny, with a high near 71. Light and variable wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 23 mph.

    High: 71 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39. West wind 6 to 11 mph becoming light  after midnight. Winds could gust as high as 22 mph.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 78. Light west wind increasing to 16 to 21 mph in the morning. Winds could gust as high as 31 mph.

    High: 78 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Rain likely after midnight.  Mostly cloudy, with a low around 42. West wind 12 to 17 mph becoming light  after midnight. Winds could gust as high as 29 mph.  Chance of precipitation is 70%.

    Low: 42 °F

    Partly Cloudy
    then Rain
    Likely

  • Friday

    Friday: A 30 percent chance of rain before noon.  Mostly sunny, with a high near 68.

    High: 68 °F

    Chance Rain
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain after noon.  Mostly cloudy, with a high near 59.

    High: 59 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Rain likely.  Mostly cloudy, with a low around 32.

    Low: 32 °F

    Rain Likely

Detailed Forecast

Overnight
Areas of fog. Otherwise, mostly clear, with a low around 32. Calm wind.
Wednesday
Areas of fog before 8am. Otherwise, sunny, with a high near 71. Light and variable wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 39. West wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 22 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 78. Light west wind increasing to 16 to 21 mph in the morning. Winds could gust as high as 31 mph.
Thursday Night
Rain likely after midnight. Mostly cloudy, with a low around 42. West wind 12 to 17 mph becoming light after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 70%.
Friday
A 30 percent chance of rain before noon. Mostly sunny, with a high near 68.
Friday Night
Mostly cloudy, with a low around 36.
Saturday
A chance of rain after noon. Mostly cloudy, with a high near 59.
Saturday Night
Rain likely. Mostly cloudy, with a low around 32.
Sunday
Rain before 9am, then rain and snow between 9am and noon, then rain after noon. Mostly cloudy, with a high near 50.
Sunday Night
Rain likely. Mostly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WNW Elliston MT
 46.6°N 112.6°W (Elev. 4800 ft)
2:01 am MDT Sep 9, 2026
3am MDT Sep 9, 2026-6pm MDT Sep 15, 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