Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. Read More >

Current conditions at

UPPER SAND WASH (USWU1)

Lat: 39.70819°NLon: 109.441°WElev: 6469.0ft.

NA

77°F

25°C

Humidity 37%
Wind Speed S 12 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Heat Index78°F (26°C)
Last update 26 Jul 10:27 PM MDT
Extended Forecast for

29 Miles SW Bonanza UT

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 67. South wind 5 to 15 mph.

    Low: 67 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A slight chance of showers between 1pm and 2pm, then a slight chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 97. Calm wind becoming west southwest around 5 mph in the afternoon.  Chance of precipitation is 10%.

    High: 97 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm.  Mostly cloudy, with a low around 64. West wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 96. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 96 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 63. West wind around 5 mph becoming east in the evening.  Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after noon.  Mostly sunny and hot, with a high near 97.

    High: 97 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 62.

    Low: 62 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 67. South wind 5 to 15 mph.
Monday
A slight chance of showers between 1pm and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 97. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 10%.
Monday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Mostly cloudy, with a low around 64. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 96. Calm wind becoming north northwest around 5 mph in the afternoon.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63. West wind around 5 mph becoming east in the evening. Chance of precipitation is 20%.
Wednesday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 97.
Wednesday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 62.
Thursday
Sunny and hot, with a high near 98.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny and hot, with a high near 101.
Friday Night
Mostly clear, with a low around 65.
Saturday
Sunny and hot, with a high near 102.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Sunny and hot, with a high near 102.
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ABOUT THIS FORECAST

 
Point Forecast:
29 Miles SW Bonanza UT
 39.74°N 109.57°W (Elev. 5597 ft)
10:42 pm MDT Jul 26, 2026
11pm MDT Jul 26, 2026-6pm MDT Aug 2, 2026
 
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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