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

34°C

94°F

Humidity 25%
Wind Speed WNW 3 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 12°C (53°F)
Visibility 16 km
Heat Index33°C (91°F)
Last update 18 Aug 11:56 AM MDT
Extended Forecast for

3 Miles SSW Saint George UT

  • This Afternoon

    This Afternoon: Mostly sunny and hot, with a high near 39. West wind 8 to 14 km/h.

    High: 39 °C

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 24. West wind 11 to 16 km/h becoming light and variable after midnight.

    Low: 24 °C

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny and hot, with a high near 40. Light and variable wind becoming west 9 to 14 km/h in the afternoon.

    High: 40 °C

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 24. West wind 9 to 14 km/h becoming light and variable after midnight.

    Low: 24 °C

    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 40. Calm wind becoming west 5 to 10 km/h in the afternoon.

    High: 40 °C

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 25.

    Low: 25 °C

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 37.

    High: 37 °C

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 24.

    Low: 24 °C

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 37.

    High: 37 °C

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny and hot, with a high near 39. West wind 8 to 14 km/h.
Tonight
Partly cloudy, with a low around 24. West wind 11 to 16 km/h becoming light and variable after midnight.
Wednesday
Sunny and hot, with a high near 40. Light and variable wind becoming west 9 to 14 km/h in the afternoon.
Wednesday Night
Partly cloudy, with a low around 24. West wind 9 to 14 km/h becoming light and variable after midnight.
Thursday
Sunny and hot, with a high near 40. Calm wind becoming west 5 to 10 km/h in the afternoon.
Thursday Night
Partly cloudy, with a low around 25.
Friday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 37.
Friday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 24.
Saturday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 37.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 37.
Sunday Night
Partly cloudy, with a low around 23.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Saint George UT
 37.03°N 113.59°W (Elev. 2759 m)
Last Update:
12:31 am MDT Aug 18, 2026
Forecast Valid:
12pm MDT Aug 18, 2026-6pm MDT Aug 24, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation