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

St George Regional Airport (KSGU)

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

Clear

79°F

26°C

Humidity 31%
Wind Speed S 3 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 19 Aug 05:35 AM MDT
Extended Forecast for

Saint George UT

  • Today

    Today: Sunny and hot, with a high near 107. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 107 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 80. West southwest wind 5 to 8 mph becoming light and variable in the evening.

    Low: 80 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 107. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 107 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 82. West southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 82 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after noon. Partly sunny and hot, with a high near 102. Light and variable wind.

    High: 102 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 78.

    Low: 78 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A 10 percent chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 102.

    High: 102 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 79.

    Low: 79 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 102.

    High: 102 °F

    Hot

Detailed Forecast

Today
Sunny and hot, with a high near 107. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Tonight
Partly cloudy, with a low around 80. West southwest wind 5 to 8 mph becoming light and variable in the evening.
Thursday
Sunny and hot, with a high near 107. Calm wind becoming west 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 82. West southwest wind 5 to 7 mph becoming calm in the evening.
Friday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny and hot, with a high near 102. Light and variable wind.
Friday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 78.
Saturday
A 10 percent chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 102.
Saturday Night
Partly cloudy, with a low around 79.
Sunday
Mostly sunny and hot, with a high near 102.
Sunday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 77.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 99.
Monday Night
Partly cloudy, with a low around 76.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 100.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint George UT
 37.1°N 113.58°W (Elev. 2631 ft)
Last Update:
12:31 am MDT Aug 19, 2026
Forecast Valid:
5am MDT Aug 19, 2026-6pm MDT Aug 25, 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