Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

Current conditions at

DUCHESNE (KU69)

Lat: 40.1919°NLon: 110.38099°WElev: 5826.0ft.

Partly Cloudy

82°F

28°C

Humidity 20%
Wind Speed N 4 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 26 Aug 04:55 PM MDT
Extended Forecast for

Altamont UT

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms.  Partly sunny, with a steady temperature around 78. South wind around 5 mph.  Chance of precipitation is 30%.

    High: 78 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Isolated showers and thunderstorms before 9pm.  Partly cloudy, with a low around 55. North northwest wind around 7 mph.  Chance of precipitation is 20%.

    Low: 55 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Scattered showers and thunderstorms, mainly after 3pm.  Mostly sunny, with a high near 84. North northwest wind 5 to 8 mph becoming southeast in the morning.  Chance of precipitation is 30%.

    High: 84 °F

    Sunny then
    Scattered
    T-storms

  • Thursday Night

    Thursday Night: Isolated showers and thunderstorms before 9pm.  Partly cloudy, with a low around 57. North northwest wind 5 to 7 mph.  Chance of precipitation is 10%.

    Low: 57 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Isolated showers and thunderstorms after noon.  Mostly sunny, with a high near 83. Light and variable wind becoming southwest 6 to 11 mph in the afternoon.  Chance of precipitation is 20%.

    High: 83 °F

    Mostly Sunny
    then Isolated
    T-storms

  • Friday Night

    Friday Night: Isolated showers and thunderstorms before 9pm.  Mostly cloudy, with a low around 57. Chance of precipitation is 10%.

    Low: 57 °F

    Isolated
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 79. Chance of precipitation is 70%.

    High: 79 °F

    Mostly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm.  Mostly cloudy, with a low around 50.

    Low: 50 °F

    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 72.

    High: 72 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Partly sunny, with a steady temperature around 78. South wind around 5 mph. Chance of precipitation is 30%.
Tonight
Isolated showers and thunderstorms before 9pm. Partly cloudy, with a low around 55. North northwest wind around 7 mph. Chance of precipitation is 20%.
Thursday
Scattered showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 84. North northwest wind 5 to 8 mph becoming southeast in the morning. Chance of precipitation is 30%.
Thursday Night
Isolated showers and thunderstorms before 9pm. Partly cloudy, with a low around 57. North northwest wind 5 to 7 mph. Chance of precipitation is 10%.
Friday
Isolated showers and thunderstorms after noon. Mostly sunny, with a high near 83. Light and variable wind becoming southwest 6 to 11 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
Isolated showers and thunderstorms before 9pm. Mostly cloudy, with a low around 57. Chance of precipitation is 10%.
Saturday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 79. Chance of precipitation is 70%.
Saturday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 50.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 72.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 73.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 74.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 49.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 75.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Altamont UT
 40.37°N 110.3°W (Elev. 6404 ft)
12:31 pm MDT Aug 26, 2026
5pm MDT Aug 26, 2026-6pm MDT Sep 2, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database