Severe Weather and Flooding Threats for the Central U.S.; Dangerous Heat in the Southern and Western U.S.

Severe weather and flooding threats will continue for portions of the central U.S. over the next couple of days, with multiple rounds of thunderstorms expected. Dangerous heat will persist across the southern and western U.S. through mid-week. Hot and dry conditions will fuel fire weather concerns for the Intermountain West, where dry thunderstorms may spark additional wildfires. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

NA

75°F

24°C

Humidity 23%
Wind Speed E 8 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 23 Jun 05:45 PM MDT
Extended Forecast for

13 Miles N Garrison MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. Northeast wind 8 to 16 mph becoming southeast after midnight. Winds could gust as high as 23 mph.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65. East southeast wind 6 to 9 mph becoming northeast in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of rain after 9pm.  Mostly cloudy, with a low around 47. East northeast wind 7 to 13 mph becoming southeast after midnight. Winds could gust as high as 21 mph.  Chance of precipitation is 20%.

    Low: 47 °F

    Slight Chance
    T-storms then
    Slight Chance
    Rain

  • Thursday

    Thursday: A chance of rain, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 64. South southeast wind 5 to 7 mph becoming west northwest in the afternoon.  Chance of precipitation is 60%.

    High: 64 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 50. West northwest wind 6 to 8 mph becoming east in the evening.

    Low: 50 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 59. Chance of precipitation is 60%.

    High: 59 °F

    Mostly Cloudy
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before midnight, then a chance of rain after midnight.  Low around 44. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 44 °F

    Showers then
    Chance Rain

  • Saturday

    Saturday: Rain likely, then showers and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 49.

    High: 49 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then rain likely after midnight.  Snow level 8600 feet lowering to 7300 feet after midnight . Mostly cloudy, with a low around 36.

    Low: 36 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 45. Northeast wind 8 to 16 mph becoming southeast after midnight. Winds could gust as high as 23 mph.
Wednesday
Mostly sunny, with a high near 65. East southeast wind 6 to 9 mph becoming northeast in the afternoon.
Wednesday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of rain after 9pm. Mostly cloudy, with a low around 47. East northeast wind 7 to 13 mph becoming southeast after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Thursday
A chance of rain, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 64. South southeast wind 5 to 7 mph becoming west northwest in the afternoon. Chance of precipitation is 60%.
Thursday Night
Mostly cloudy, with a low around 50. West northwest wind 6 to 8 mph becoming east in the evening.
Friday
Showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 59. Chance of precipitation is 60%.
Friday Night
Showers and possibly a thunderstorm before midnight, then a chance of rain after midnight. Low around 44. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Rain likely, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 49.
Saturday Night
A chance of showers and thunderstorms, then rain likely after midnight. Snow level 8600 feet lowering to 7300 feet after midnight . Mostly cloudy, with a low around 36.
Sunday
Rain likely before noon, then showers likely and possibly a thunderstorm after noon. Snow level 7200 feet. Mostly cloudy, with a high near 41.
Sunday Night
Rain likely. Snow level 7700 feet. Mostly cloudy, with a low around 38.
Monday
A chance of rain and thunderstorms. Snow level 7700 feet rising to 8700 feet in the afternoon. Mostly cloudy, with a high near 47.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 39.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles N Garrison MT
 46.71°N 112.78°W (Elev. 6864 ft)
2:01 pm MDT Jun 23, 2026
6pm MDT Jun 23, 2026-6pm MDT Jun 30, 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