Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

Current conditions at

St George Regional Airport (KSGU)

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

Partly Cloudy

99°F

37°C

Humidity 18%
Wind Speed W 17 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 29 Aug 07:00 PM MDT
Extended Forecast for

5 Miles SSW Saint George UT

Flood Watch until August 31, 09:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until August 31, 09:00pm

    NOW until 9:00pm Mon

    Flood Watch

  • Tonight

    Low: 73 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 98. Light and variable wind becoming west southwest 8 to 13 mph in the morning.

    High: 98 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after midnight.  Partly cloudy, with a low around 70. Southwest wind 5 to 13 mph becoming east after midnight.

    Low: 70 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A chance of showers, then showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 93. Calm wind becoming southwest 5 to 9 mph in the afternoon.  Chance of precipitation is 60%.

    High: 93 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: A 10 percent chance of showers and thunderstorms before 9pm.  Mostly clear, with a low around 68. South southwest wind 6 to 10 mph becoming east after midnight.

    Low: 68 °F

    Slight Chance
    T-storms then
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

Detailed Forecast

Tonight
A 10 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 73. Southwest wind 7 to 15 mph becoming east northeast after midnight.
Sunday
Increasing clouds, with a high near 98. Light and variable wind becoming west southwest 8 to 13 mph in the morning.
Sunday Night
A 20 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 70. Southwest wind 5 to 13 mph becoming east after midnight.
Monday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 93. Calm wind becoming southwest 5 to 9 mph in the afternoon. Chance of precipitation is 60%.
Monday Night
A 10 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 68. South southwest wind 6 to 10 mph becoming east after midnight.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
Mostly sunny, with a high near 93.
Wednesday Night
Partly cloudy, with a low around 69.
Thursday
Sunny, with a high near 95.
Thursday Night
Mostly clear, with a low around 69.
Friday
Sunny, with a high near 96.
Friday Night
Mostly clear, with a low around 71.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 96.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Saint George UT
 37°N 113.62°W (Elev. 2667 ft)
3:27 pm MDT Aug 29, 2026
7pm MDT Aug 29, 2026-6pm MDT Sep 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database