Severe Weather and Heavy Rain from the Ohio Valley to the Mid-Atlantic; Heat Persists in the South-Central U.S.

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected across portions of the Ohio Valley into southern Mid-Atlantic and Carolinas. Rounds of strong thunderstorms are expected to develop across the northern and central Plains. Sweltering heat remains most persistent across the South-Central Plains and Lower/Middle Mississippi Valley through next week. Read More >

Hazardous Weather Conditions

Current conditions at

Monarch Canyon US-89 MP 53.5 (MTMON)

Lat: 47.1429°NLon: 110.82309°WElev: 5197.0ft.

NA

46°F

8°C

Humidity 82%
Wind Speed NW 4 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 06 Sep 12:30 AM MDT
Extended Forecast for

Monarch MT

  • Overnight

    Overnight: Partly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 72. Calm wind becoming northeast 5 to 7 mph in the afternoon.

    High: 72 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after midnight. Some of the storms could be severe.  Low around 48. East northeast wind 5 to 7 mph becoming calm  in the evening.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Severe
    Thunderstorms

  • Labor Day

    Labor Day: Showers and possibly a thunderstorm before 3pm, then rain after 3pm.  High near 60. Breezy, with a light west northwest wind becoming west southwest 17 to 22 mph in the morning. Winds could gust as high as 34 mph.  Chance of precipitation is 100%.

    High: 60 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 42. Breezy, with a west southwest wind 17 to 22 mph, with gusts as high as 34 mph.

    Low: 42 °F

    Chance Rain
    and Breezy

  • Tuesday

    Tuesday: Rain likely.  Mostly cloudy, with a high near 60. West southwest wind 14 to 17 mph, with gusts as high as 28 mph.  Chance of precipitation is 60%.

    High: 60 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42. West wind 5 to 9 mph becoming light and variable. Winds could gust as high as 18 mph.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 71. South southwest wind 6 to 15 mph, with gusts as high as 24 mph.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 45. Calm wind.
Sunday
A 20 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 72. Calm wind becoming northeast 5 to 7 mph in the afternoon.
Sunday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after midnight. Some of the storms could be severe. Low around 48. East northeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Labor Day
Showers and possibly a thunderstorm before 3pm, then rain after 3pm. High near 60. Breezy, with a light west northwest wind becoming west southwest 17 to 22 mph in the morning. Winds could gust as high as 34 mph. Chance of precipitation is 100%.
Monday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 42. Breezy, with a west southwest wind 17 to 22 mph, with gusts as high as 34 mph.
Tuesday
Rain likely. Mostly cloudy, with a high near 60. West southwest wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Tuesday Night
Partly cloudy, with a low around 42. West wind 5 to 9 mph becoming light and variable. Winds could gust as high as 18 mph.
Wednesday
Sunny, with a high near 71. South southwest wind 6 to 15 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 74.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 48.
Friday
A chance of showers. Partly sunny, with a high near 66.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 42.
Saturday
A chance of showers. Partly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
Monarch MT
 47.11°N 110.83°W (Elev. 4783 ft)
12:36 am MDT Sep 6, 2026
12am MDT Sep 6, 2026-6pm MDT Sep 12, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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