Severe Weather and Flooding Threat in the Central U.S. and Mid-Atlantic; Dangerous Heat in the West and Southern Plains

Severe thunderstorms and heavy rain are expected across the central High Plains into parts of the central and southern Plains and in the the Mid-Atlantic today. Intense, dangerous heat will persist across the West, Southwest, and Southern Plains into the end of the week. Elevated to critical fire weather conditions expected in the Great Basin and Four Corners region. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

NA

67°F

19°C

Humidity 38%
Wind Speed SSE 3 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 23 Jun 11:30 AM MDT
Extended Forecast for

10 Miles WSW Marysville MT

  • Today

    Today: Sunny, with a high near 62. Northeast wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 43. Northeast wind 5 to 14 mph, with gusts as high as 23 mph.

    Low: 43 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64. East northeast wind 5 to 9 mph, with gusts as high as 20 mph.

    High: 64 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 9pm, then a chance of rain, mainly between 9pm and midnight.  Mostly cloudy, with a low around 44. Northeast wind 6 to 11 mph becoming light east northeast  after midnight. Winds could gust as high as 21 mph.  Chance of precipitation is 30%.

    Low: 44 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of rain, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 63. Calm wind becoming southwest around 6 mph in the afternoon.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Chance Rain
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 61. Chance of precipitation is 60%.

    High: 61 °F

    Mostly Cloudy
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of rain after midnight.  Mostly cloudy, with a low around 41.

    Low: 41 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of rain, then showers and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 52.

    High: 52 °F

    Showers

Detailed Forecast

Today
Sunny, with a high near 62. Northeast wind 7 to 11 mph, with gusts as high as 21 mph.
Tonight
Increasing clouds, with a low around 43. Northeast wind 5 to 14 mph, with gusts as high as 23 mph.
Wednesday
Mostly sunny, with a high near 64. East northeast wind 5 to 9 mph, with gusts as high as 20 mph.
Wednesday Night
A chance of showers and thunderstorms before 9pm, then a chance of rain, mainly between 9pm and midnight. Mostly cloudy, with a low around 44. Northeast wind 6 to 11 mph becoming light east northeast after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 30%.
Thursday
A chance of rain, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 63. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Mostly cloudy, with a low around 45.
Friday
Showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 41.
Saturday
A chance of rain, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 52.
Saturday Night
Showers likely and possibly a thunderstorm before midnight, then rain likely after midnight. Mostly cloudy, with a low around 37.
Sunday
Rain and snow likely. Some thunder is also possible. Mostly cloudy, with a high near 43. Breezy.
Sunday Night
Rain likely. Mostly cloudy, with a low around 35. Breezy.
Monday
Rain and thunderstorms likely. Mostly cloudy, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles WSW Marysville MT
 46.69°N 112.5°W (Elev. 6266 ft)
2:01 am MDT Jun 23, 2026
11am MDT Jun 23, 2026-6pm MDT Jun 29, 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