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

HORSE THIEF (HORM8)

Lat: 46.42581°NLon: 108.6745°WElev: 3414.0ft.

NA

84°F

29°C

Humidity 27%
Wind Speed SW 4 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Heat Index82°F (28°C)
Last update 27 Aug 10:39 AM MDT
Extended Forecast for

10 Miles NE Roundup MT

  • Today

    Today: Increasing clouds and hot, with a high near 95. Southwest wind around 8 mph becoming south southeast in the afternoon.

    High: 95 °F

    Hot

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight.  Cloudy, then gradually becoming partly cloudy, with a low around 62. South wind 6 to 9 mph becoming west in the evening.  Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers, mainly between noon and 5pm.  Cloudy, with a high near 87. West wind 5 to 7 mph becoming north northwest in the morning.

    High: 87 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms.  Mostly cloudy, with a low around 59. South southwest wind around 7 mph.  Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then a chance of showers after 3pm.  Mostly cloudy, with a high near 81. West southwest wind around 7 mph becoming south in the afternoon.  Chance of precipitation is 30%.

    High: 81 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 53. East southeast wind 5 to 7 mph becoming west after midnight.  Chance of precipitation is 60%.

    Low: 53 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 76. West wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon.  Chance of precipitation is 60%.

    High: 76 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before midnight.  Mostly clear, with a low around 47. West southwest wind 5 to 15 mph.

    Low: 47 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 78. West southwest wind around 10 mph.

    High: 78 °F

    Sunny

Detailed Forecast

Today
Increasing clouds and hot, with a high near 95. Southwest wind around 8 mph becoming south southeast in the afternoon.
Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Cloudy, then gradually becoming partly cloudy, with a low around 62. South wind 6 to 9 mph becoming west in the evening. Chance of precipitation is 30%.
Friday
A 30 percent chance of showers, mainly between noon and 5pm. Cloudy, with a high near 87. West wind 5 to 7 mph becoming north northwest in the morning.
Friday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 59. South southwest wind around 7 mph. Chance of precipitation is 20%.
Saturday
A chance of showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then a chance of showers after 3pm. Mostly cloudy, with a high near 81. West southwest wind around 7 mph becoming south in the afternoon. Chance of precipitation is 30%.
Saturday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 53. East southeast wind 5 to 7 mph becoming west after midnight. Chance of precipitation is 60%.
Sunday
Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 76. West wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Chance of precipitation is 60%.
Sunday Night
A 20 percent chance of showers before midnight. Mostly clear, with a low around 47. West southwest wind 5 to 15 mph.
Monday
Sunny, with a high near 78. West southwest wind around 10 mph.
Monday Night
Partly cloudy, with a low around 50. South southwest wind 5 to 7 mph becoming light and variable after midnight.
Tuesday
Mostly sunny, with a high near 84. Southwest wind 5 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 53. West wind 5 to 8 mph.
Wednesday
Mostly sunny, with a high near 83. West wind 7 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NE Roundup MT
 46.55°N 108.39°W (Elev. 3461 ft)
12:32 am MDT Aug 27, 2026
11am MDT Aug 27, 2026-6pm MDT Sep 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database