Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

FORT DUCHESNE (UINU1)

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

NA

95°F

35°C

Humidity 21%
Wind Speed E 3 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Heat Index92°F (33°C)
Last update 19 Aug 02:31 PM MDT
Extended Forecast for

Tridell UT

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 88. West southwest wind around 5 mph becoming north northwest.

    High: 88 °F

    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 65. North wind around 5 mph.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after noon.  Increasing clouds, with a high near 91. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 91 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 66. North wind around 5 mph.

    Low: 66 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 94. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 94 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 67.

    Low: 67 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 89.

    High: 89 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. West southwest wind around 5 mph becoming north northwest.
Tonight
Partly cloudy, with a low around 65. North wind around 5 mph.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 91. Calm wind becoming west northwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 66. North wind around 5 mph.
Friday
Mostly sunny, with a high near 94. Calm wind becoming west northwest around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 67.
Saturday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 89.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Sunday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87.
Sunday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 86.
Monday Night
Mostly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Tridell UT
 40.45°N 109.84°W (Elev. 5600 ft)
12:32 pm MDT Aug 19, 2026
2pm MDT Aug 19, 2026-6pm MDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database