Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

St George Regional Airport (KSGU)

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

Clear

91°F

33°C

Humidity 16%
Wind Speed SSW 3 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 09 Sep 01:20 PM MDT
Extended Forecast for

4 Miles SW Saint George UT

  • This Afternoon

    This Afternoon: Sunny and hot, with a high near 103. Calm wind.

    High: 103 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 71. Light and variable wind.

    Low: 71 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 104. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 104 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75. West southwest wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 102. Light and variable wind becoming west southwest 6 to 11 mph in the afternoon.

    High: 102 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 99.

    High: 99 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 73.

    Low: 73 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 103. Calm wind.
Tonight
Mostly clear, with a low around 71. Light and variable wind.
Thursday
Sunny and hot, with a high near 104. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 75. West southwest wind 5 to 10 mph becoming light and variable after midnight.
Friday
Sunny and hot, with a high near 102. Light and variable wind becoming west southwest 6 to 11 mph in the afternoon.
Friday Night
Mostly clear, with a low around 76.
Saturday
Sunny, with a high near 99.
Saturday Night
Clear, with a low around 73.
Sunday
Sunny, with a high near 95.
Sunday Night
Clear, with a low around 66.
Monday
Sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 68.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Saint George UT
 37.02°N 113.62°W (Elev. 2598 ft)
12:31 pm MDT Sep 9, 2026
1pm MDT Sep 9, 2026-6pm MDT Sep 15, 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