Severe Thunderstorms and Heavy Rainfall Across the Midwest into the Great Lakes Region; Significant Heat in the Southwest

Strong to severe storms may produce damaging winds, isolated hail, and a few tornadoes from the Midwest into the lower Great Lakes. These storms may also produce areas of heavy rain and flash flooding. Significant heat will continue across parts of the Desert Southwest into western Texas and north Alaska. Dangerous heat will also build into the Eastern and Central U.S. and continue into next week. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

NA

51°F

11°C

Humidity 66%
Wind Speed ESE 2 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 18 Jun 08:00 AM MDT
Extended Forecast for

8 Miles N Garrison MT

  • Today

    Today: Sunny, with a high near 73. West wind 5 to 13 mph, with gusts as high as 22 mph.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 48. West wind 6 to 11 mph becoming light and variable  after midnight. Winds could gust as high as 22 mph.

    Low: 48 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 75. Calm wind becoming west northwest 5 to 8 mph in the morning.

    High: 75 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 49. North northwest wind 5 to 7 mph becoming light and variable  after midnight.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon.  High near 63. Light and variable wind becoming west northwest 5 to 9 mph in the morning.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 63 °F

    Chance
    Showers then
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before midnight, then rain after midnight.  Low around 42. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm.  High near 53. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 53 °F

    Showers

  • Saturday Night

    Saturday Night: Rain showers before midnight, then rain likely between midnight and 3am, then rain and snow likely after 3am. Some thunder is also possible.  Snow level 7600 feet lowering to 6500 feet after midnight . Mostly cloudy, with a low around 36.

    Low: 36 °F

    Showers then
    Rain/Snow
    Likely

  • Sunday

    Sunday: Rain and snow likely before 9am, then rain likely between 9am and noon, then rain showers after noon. Some thunder is also possible.  Snow level 6300 feet rising to 7200 feet in the afternoon. Mostly cloudy, with a high near 48.

    High: 48 °F

    Rain/Snow
    Likely then
    Showers

Detailed Forecast

Today
Sunny, with a high near 73. West wind 5 to 13 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 48. West wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.
Juneteenth
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 75. Calm wind becoming west northwest 5 to 8 mph in the morning.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 49. North northwest wind 5 to 7 mph becoming light and variable after midnight. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 63. Light and variable wind becoming west northwest 5 to 9 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and possibly a thunderstorm before midnight, then rain after midnight. Low around 42. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Showers and possibly a thunderstorm. High near 53. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Rain showers before midnight, then rain likely between midnight and 3am, then rain and snow likely after 3am. Some thunder is also possible. Snow level 7600 feet lowering to 6500 feet after midnight . Mostly cloudy, with a low around 36.
Sunday
Rain and snow likely before 9am, then rain likely between 9am and noon, then rain showers after noon. Some thunder is also possible. Snow level 6300 feet rising to 7200 feet in the afternoon. Mostly cloudy, with a high near 48.
Sunday Night
A chance of rain before midnight. Mostly cloudy, with a low around 35.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles N Garrison MT
 46.64°N 112.83°W (Elev. 5845 ft)
3:30 am MDT Jun 18, 2025
8am MDT Jun 18, 2025-6pm MDT Jun 24, 2025
 
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Additional Resources

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