Showers and Thunderstorms from the Great Lakes into the Southern Plains

Frontal boundary and wave of low pressure will keep an active weather pattern from the Great Lakes region through the southern Plains the next couple of days. Isolated instances of severe thunderstorms and flash flooding are possible. Meanwhile, as summer comes to a close, above normal temperatures continue for central and eastern U.S. - especially for most of Puerto Rico with excessive heat. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

Lat: 44.977222°NLon: 110.695278°WElev: 6138.0ft.

NA

54°F

12°C

Humidity 48%
Wind Speed SSE 4 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 21 Sep 09:15 AM MDT
Extended Forecast for

Gardiner MT

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 5pm.  Increasing clouds, with a high near 72. East southeast wind 6 to 11 mph becoming southwest in the afternoon.

    High: 72 °F

    Mostly Sunny
    then Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight.  Low around 46. South southwest wind 6 to 8 mph becoming west northwest after midnight.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers likely, with thunderstorms also possible after noon.  Partly sunny, with a high near 59. North northwest wind 7 to 10 mph.  Chance of precipitation is 60%.

    High: 59 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 37. North northwest wind 5 to 10 mph becoming light and variable  in the evening.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75. Light and variable wind.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 40. Calm wind becoming south southeast around 6 mph after midnight.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80. South southeast wind around 6 mph becoming light and variable.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 44.

    Low: 44 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Increasing clouds, with a high near 72. East southeast wind 6 to 11 mph becoming southwest in the afternoon.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 46. South southwest wind 6 to 8 mph becoming west northwest after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers likely, with thunderstorms also possible after noon. Partly sunny, with a high near 59. North northwest wind 7 to 10 mph. Chance of precipitation is 60%.
Monday Night
Mostly clear, with a low around 37. North northwest wind 5 to 10 mph becoming light and variable in the evening.
Tuesday
Sunny, with a high near 75. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 40. Calm wind becoming south southeast around 6 mph after midnight.
Wednesday
Sunny, with a high near 80. South southeast wind around 6 mph becoming light and variable.
Wednesday Night
Clear, with a low around 44.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 46.
Saturday
A slight chance of showers and thunderstorms. Sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Gardiner MT
 45.03°N 110.7°W (Elev. 5400 ft)
8:44 am MDT Sep 21, 2025
9am MDT Sep 21, 2025-6pm MDT Sep 27, 2025
 
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Additional Resources

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