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

84°F

29°C

Humidity 34%
Wind Speed ESE 4 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 18 Aug 02:56 AM MDT
Extended Forecast for

Saint George UT

  • Overnight

    Overnight: Mostly clear, with a low around 78. Calm wind.

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 104. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 104 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 79. West southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 79 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny and hot, with a high near 105. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 105 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 80. West southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 80 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 106.

    High: 106 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 81.

    Low: 81 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 101.

    High: 101 °F

    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 78.

    Low: 78 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 78. Calm wind.
Tuesday
Mostly sunny and hot, with a high near 104. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 79. West southwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Sunny and hot, with a high near 105. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 80. West southwest wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 106.
Thursday Night
Partly cloudy, with a low around 81.
Friday
A slight chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 101.
Friday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 78.
Saturday
A slight chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 100.
Saturday Night
Partly cloudy, with a low around 78.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 99.
Sunday Night
Partly cloudy, with a low around 77.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 98.
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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 18, 2026
Forecast Valid:
3am MDT Aug 18, 2026-6pm MDT Aug 24, 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