National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

FORT DUCHESNE (UINU1)

Lat: 40.28477°NLon: 109.86183°WElev: 4928.0ft.

NA

68°F

20°C

Humidity 77%
Wind Speed NE 3 MPH
Barometer NA
Dewpoint 60°F (16°C)
Visibility NA
Last update 18 Sep 12:31 PM MDT
Extended Forecast for

Whiterocks UT

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. High near 69. Southwest wind around 5 mph becoming northwest. Chance of precipitation is 80%.

    High: 69 °F

    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 3am, then a slight chance of showers after 3am. Low around 51. North wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 80%.

    Low: 51 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 67. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon. Chance of precipitation is 40%.

    High: 67 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 10 percent chance of showers before 9pm. Partly cloudy, with a low around 46. Southwest wind around 5 mph becoming north in the evening.

    Low: 46 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 66. Calm wind becoming south around 5 mph.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 70.

    High: 70 °F

    Slight Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 69. Southwest wind around 5 mph becoming northwest. Chance of precipitation is 80%.
Tonight
Showers and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 3am, then a slight chance of showers after 3am. Low around 51. North wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 80%.
Saturday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 67. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon. Chance of precipitation is 40%.
Saturday Night
A 10 percent chance of showers before 9pm. Partly cloudy, with a low around 46. Southwest wind around 5 mph becoming north in the evening.
Sunday
Sunny, with a high near 66. Calm wind becoming south around 5 mph.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 70.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Mostly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Whiterocks UT
 40.46°N 109.93°W (Elev. 5971 ft)
Last Update:
12:37 pm MDT Sep 18, 2026
Forecast Valid:
1pm MDT Sep 18, 2026-6pm MDT Sep 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation