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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

St George Regional Airport (KSGU)

Lat: 37.0451°NLon: 113.50561°WElev: 2872.0ft.

Clear

82°F

28°C

Humidity 30%
Wind Speed N 0 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 28 Aug 08:20 AM MDT
Extended Forecast for

Santa Clara UT

  • Today

    Today: A 20 percent chance of showers and thunderstorms after noon. Partly sunny and hot, with a high near 104. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 104 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. South southwest wind 5 to 10 mph becoming light and variable after midnight.

    Low: 75 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon. Sunny and hot, with a high near 101. Light and variable wind becoming southwest 10 to 15 mph in the morning.

    High: 101 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Southwest wind 5 to 15 mph becoming east after midnight. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 97. Light and variable wind becoming southwest 6 to 11 mph in the morning.

    High: 97 °F

    Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 70.

    Low: 70 °F

    Mostly Clear
    then Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 93.

    High: 93 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after noon. Partly sunny and hot, with a high near 104. Calm wind becoming south 5 to 9 mph in the afternoon.
Tonight
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. South southwest wind 5 to 10 mph becoming light and variable after midnight.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Sunny and hot, with a high near 101. Light and variable wind becoming southwest 10 to 15 mph in the morning.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Southwest wind 5 to 15 mph becoming east after midnight. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 97. Light and variable wind becoming southwest 6 to 11 mph in the morning.
Sunday Night
A 30 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 70.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 67.
Tuesday
Sunny, with a high near 92.
Tuesday Night
A slight chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 67.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Wednesday Night
Partly cloudy, with a low around 69.
Thursday
Mostly sunny, with a high near 95.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Santa Clara UT
 37.13°N 113.64°W (Elev. 2799 ft)
Last Update:
12:31 am MDT Aug 28, 2026
Forecast Valid:
8am MDT Aug 28, 2026-6pm MDT Sep 3, 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