Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

Current conditions at

DUCHESNE (KU69)

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

Partly Cloudy

57°F

14°C

Humidity 82%
Wind Speed N 0 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 18 Sep 04:30 AM MDT
Extended Forecast for

Altamont UT

  • Overnight

    Overnight: Scattered showers and thunderstorms.  Mostly cloudy, with a low around 48. Calm wind.  Chance of precipitation is 50%.

    Low: 48 °F

    Scattered
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm.  High near 65. North northeast wind 3 to 5 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before midnight, then scattered showers and thunderstorms between midnight and 3am.  Low around 42. East wind around 6 mph becoming calm  after midnight.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 42 °F

    Showers then
    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers and thunderstorms after noon.  Partly sunny, with a high near 63. Calm wind becoming west southwest 5 to 8 mph in the afternoon.  Chance of precipitation is 50%.

    High: 63 °F

    Mostly Sunny
    then
    Scattered
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38. Northwest wind 6 to 8 mph.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Overnight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 48. Calm wind. Chance of precipitation is 50%.
Friday
Showers and possibly a thunderstorm. High near 65. North northeast wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm before midnight, then scattered showers and thunderstorms between midnight and 3am. Low around 42. East wind around 6 mph becoming calm after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Scattered showers and thunderstorms after noon. Partly sunny, with a high near 63. Calm wind becoming west southwest 5 to 8 mph in the afternoon. Chance of precipitation is 50%.
Saturday Night
Partly cloudy, with a low around 38. Northwest wind 6 to 8 mph.
Sunday
Sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 68.
Monday Night
A slight chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 43.
Tuesday
A chance of showers and thunderstorms, mainly after noon. Mostly cloudy, with a high near 67.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 42.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 68.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
Altamont UT
 40.37°N 110.3°W (Elev. 6404 ft)
12:31 am MDT Sep 18, 2026
4am MDT Sep 18, 2026-6pm MDT Sep 24, 2026
 
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Additional Resources

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