Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

East of Denton MT-81 MP 17 (MTDEN)

Lat: 47.30023°NLon: 109.85117°WElev: 3648.0ft.

NA

79°F

26°C

Humidity 22%
Wind Speed E 5 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Heat Index78°F (26°C)
Last update 27 Aug 11:30 AM MDT
Extended Forecast for

Square Butte MT

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 2pm.  Partly sunny, with a high near 95. East southeast wind 3 to 8 mph.

    High: 95 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 10pm.  Cloudy, then gradual clearing toward daybreak, with a low around 62. Southeast wind 6 to 9 mph becoming west after midnight.

    Low: 62 °F

    Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Mostly cloudy, with a high near 87. Light and variable wind becoming south southeast 5 to 7 mph in the afternoon.

    High: 87 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of showers before midnight.  Mostly cloudy, with a low around 61. West southwest wind 5 to 10 mph.

    Low: 61 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 3pm.  Mostly cloudy, with a high near 79. Light and variable wind becoming south southwest 5 to 8 mph in the afternoon.  Chance of precipitation is 60%.

    High: 79 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm.  Low around 54. West wind 6 to 8 mph.  Chance of precipitation is 80%.

    Low: 54 °F

    Showers

  • Sunday

    Sunday: Showers likely, mainly before noon.  Mostly cloudy, with a high near 71. West wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 28 mph.  Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A slight chance of showers before midnight.  Partly cloudy, with a low around 49. West southwest wind 10 to 20 mph, with gusts as high as 29 mph.

    Low: 49 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 95. East southeast wind 3 to 8 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Cloudy, then gradual clearing toward daybreak, with a low around 62. Southeast wind 6 to 9 mph becoming west after midnight.
Friday
Mostly cloudy, with a high near 87. Light and variable wind becoming south southeast 5 to 7 mph in the afternoon.
Friday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 61. West southwest wind 5 to 10 mph.
Saturday
Showers likely, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 79. Light and variable wind becoming south southwest 5 to 8 mph in the afternoon. Chance of precipitation is 60%.
Saturday Night
Showers and possibly a thunderstorm. Low around 54. West wind 6 to 8 mph. Chance of precipitation is 80%.
Sunday
Showers likely, mainly before noon. Mostly cloudy, with a high near 71. West wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 60%.
Sunday Night
A slight chance of showers before midnight. Partly cloudy, with a low around 49. West southwest wind 10 to 20 mph, with gusts as high as 29 mph.
Monday
Sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 52.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 82.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Square Butte MT
 47.52°N 110.19°W (Elev. 3235 ft)
7:47 am MDT Aug 27, 2026
11am MDT Aug 27, 2026-6pm MDT Sep 2, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database