Areas of Extreme Heat and Fire Weather in the Northwest U.S.; Heavy Rain in the West and South-central U.S.

Extreme heat will continue in the interior Northwest into midweek before finally waning. Hot temperatures, dry, gusty winds, and isolated dry thunderstorms will bring critical fire weather. Heavy rain and thunderstorms are expected across portions of the Great Basin, Rockies, and central/southern Plains. An atmospheric river will bring heavy rain and strong winds to southwest Alaska. Read More >

Hazardous Weather Conditions

Current conditions at

St George Regional Airport (KSGU)

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

Partly Cloudy

79°F

26°C

Humidity 54%
Wind Speed NE 4 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 26 Aug 05:20 PM MDT
Extended Forecast for

Saint George UT

Flood Watch August 26, 05:39pm until August 27, 12:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 26, 05:39pm until August 27, 12:00am

    NOW until 12:00am Wed

    Flood Watch

  • This Afternoon

    High: 81 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight.  Mostly cloudy, with a low around 71. Light and variable wind.  Chance of precipitation is 60%.

    Low: 71 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after noon.  Partly sunny, with a high near 91. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 91 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 75. West wind around 6 mph becoming calm  in the evening.

    Low: 75 °F

    Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 94. Calm wind.

    High: 94 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms.  Mostly cloudy, with a low around 74. Chance of precipitation is 20%.

    Low: 74 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A 10 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 95.

    High: 95 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a steady temperature around 81. Light south wind.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 71. Light and variable wind. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 91. Calm wind becoming west southwest around 6 mph in the afternoon.
Wednesday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 75. West wind around 6 mph becoming calm in the evening.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 94. Calm wind.
Thursday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Chance of precipitation is 20%.
Friday
A 10 percent chance of showers and thunderstorms after noon. Sunny, with a high near 95.
Friday Night
Mostly clear, with a low around 73.
Saturday
Sunny, with a high near 98.
Saturday Night
Mostly clear, with a low around 74.
Sunday
Sunny and hot, with a high near 100.
Sunday Night
Mostly clear, with a low around 74.
Labor Day
A slight chance of showers and thunderstorms. Sunny and hot, with a high near 100.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 99.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint George UT
 37.1°N 113.58°W (Elev. 2631 ft)
3:07 pm MDT Aug 26, 2025
5pm MDT Aug 26, 2025-6pm MDT Sep 2, 2025
 
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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