National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

St George Regional Airport (KSGU)

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

Clear

73°F

23°C

Humidity 35%
Wind Speed SE 3 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 17 Aug 05:56 AM MDT
Extended Forecast for

3 Miles ESE Saint George UT

  • Today

    Today: Sunny, with a high near 98. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 98 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 70. West southwest wind 5 to 8 mph becoming light and variable after midnight.

    Low: 70 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 101. Light and variable wind.

    High: 101 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. West wind around 6 mph becoming calm after midnight.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 105. Calm wind becoming west around 5 mph in the afternoon.

    High: 105 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 10 percent chance of showers and thunderstorms after noon. Sunny and hot, with a high near 106.

    High: 106 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 79.

    Low: 79 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 107.

    High: 107 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 98. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Tonight
Clear, with a low around 70. West southwest wind 5 to 8 mph becoming light and variable after midnight.
Monday
Sunny and hot, with a high near 101. Light and variable wind.
Monday Night
Mostly clear, with a low around 74. West wind around 6 mph becoming calm after midnight.
Tuesday
Sunny and hot, with a high near 105. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 77.
Wednesday
A 10 percent chance of showers and thunderstorms after noon. Sunny and hot, with a high near 106.
Wednesday Night
A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 79.
Thursday
A slight chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 107.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 80.
Friday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 109.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 80.
Saturday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 106.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Saint George UT
 37.06°N 113.52°W (Elev. 2769 ft)
Last Update:
3:05 am MDT Aug 17, 2025
Forecast Valid:
6am MDT Aug 17, 2025-6pm MDT Aug 23, 2025
 
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