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

90°F

32°C

Humidity 22%
Wind Speed E 13 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 28 Aug 12:00 AM MDT
Extended Forecast for

Washington UTSimilar City Names

  • Overnight

    Overnight: Mostly cloudy, with a low around 79. East northeast wind around 6 mph.

    Low: 79 °F

    Mostly Cloudy

  • Friday

    Friday: Isolated showers and thunderstorms after noon. Partly sunny and hot, with a high near 103. East northeast wind 5 to 9 mph becoming west southwest in the afternoon. Chance of precipitation is 20%.

    High: 103 °F

    Partly Sunny
    then Isolated
    T-storms

  • Friday Night

    Friday Night: Isolated showers and thunderstorms. Partly cloudy, with a low around 76. West southwest wind 6 to 10 mph becoming east northeast after midnight. Chance of precipitation is 20%.

    Low: 76 °F

    Isolated
    T-storms

  • Saturday

    Saturday: Isolated showers, with thunderstorms also possible after noon. Mostly sunny and hot, with a high near 100. East northeast wind 6 to 13 mph becoming southwest in the afternoon. Chance of precipitation is 20%.

    High: 100 °F

    Isolated
    Showers then
    Isolated
    T-storms

  • Saturday Night

    Saturday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 74. Southwest wind 9 to 14 mph becoming east after midnight. Chance of precipitation is 30%.

    Low: 74 °F

    Scattered
    Showers

  • Sunday

    Sunday: Isolated showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 97. Chance of precipitation is 20%.

    High: 97 °F

    Isolated
    Showers then
    Isolated
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly after midnight. Partly cloudy, with a low around 71.

    Low: 71 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A 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: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70.

    Low: 70 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 79. East northeast wind around 6 mph.
Friday
Isolated showers and thunderstorms after noon. Partly sunny and hot, with a high near 103. East northeast wind 5 to 9 mph becoming west southwest in the afternoon. Chance of precipitation is 20%.
Friday Night
Isolated showers and thunderstorms. Partly cloudy, with a low around 76. West southwest wind 6 to 10 mph becoming east northeast after midnight. Chance of precipitation is 20%.
Saturday
Isolated showers, with thunderstorms also possible after noon. Mostly sunny and hot, with a high near 100. East northeast wind 6 to 13 mph becoming southwest in the afternoon. Chance of precipitation is 20%.
Saturday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 74. Southwest wind 9 to 14 mph becoming east after midnight. Chance of precipitation is 30%.
Sunday
Isolated showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 97. Chance of precipitation is 20%.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after midnight. Partly cloudy, with a low around 71.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 93.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 91.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Thursday
Mostly sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Washington UTSimilar City Names
 37.13°N 113.5°W (Elev. 2799 ft)
Last Update:
12:31 pm MDT Aug 27, 2026
Forecast Valid:
12am MDT Aug 28, 2026-6pm MDT Sep 3, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation