Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

Current conditions at

DUCHESNE (KU69)

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

Mostly Cloudy

72°F

22°C

Humidity 56%
Wind Speed N 4 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 29 Aug 12:35 PM MDT
Extended Forecast for

Altonah UT

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm.  High near 73. Southwest wind around 11 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    T-storms

  • Tonight

    Tonight: Showers and possibly a thunderstorm.  Low around 50. North wind 5 to 9 mph becoming calm  after midnight.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon.  High near 69. Calm wind becoming southwest 5 to 7 mph in the morning.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 49. East southeast wind around 6 mph becoming light and variable  after midnight.  Chance of precipitation is 40%.

    Low: 49 °F

    Chance
    Showers

  • Monday

    Monday: A slight chance of showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 69. Light and variable wind becoming south around 5 mph in the afternoon.  Chance of precipitation is 60%.

    High: 69 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am.  Low around 48. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Showers then
    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 70.

    High: 70 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 73. Southwest wind around 11 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm. Low around 50. North wind 5 to 9 mph becoming calm after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers and possibly a thunderstorm before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon. High near 69. Calm wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 49. East southeast wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 40%.
Monday
A slight chance of showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 69. Light and variable wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.
Monday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am. Low around 48. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70.
Tuesday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 49.
Wednesday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 70.
Wednesday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 48.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 72.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 49.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Altonah UT
 40.41°N 110.3°W (Elev. 6801 ft)
12:31 pm MDT Aug 29, 2026
12pm MDT Aug 29, 2026-6pm MDT Sep 4, 2026
 
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Additional Resources

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