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

Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

St George Regional Airport (KSGU)

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

Clear

79°F

26°C

Humidity 29%
Wind Speed ESE 8 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 17 Aug 08:35 AM MDT
Extended Forecast for

4 Miles ENE Washington UT

  • Today

    Today: Sunny, with a high near 96. Light and variable wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 96 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 69. West southwest wind 5 to 9 mph becoming northeast after midnight.

    Low: 69 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 100. Northeast wind around 5 mph becoming calm.

    High: 100 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. West southwest wind around 6 mph becoming northeast after midnight.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 103. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 103 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 10 percent chance of showers and thunderstorms after noon. Sunny and hot, with a high near 105.

    High: 105 °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 106.

    High: 106 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 96. Light and variable wind becoming west southwest 5 to 8 mph in the afternoon.
Tonight
Clear, with a low around 69. West southwest wind 5 to 9 mph becoming northeast after midnight.
Monday
Sunny and hot, with a high near 100. Northeast wind around 5 mph becoming calm.
Monday Night
Mostly clear, with a low around 73. West southwest wind around 6 mph becoming northeast after midnight.
Tuesday
Sunny and hot, with a high near 103. Calm wind becoming west southwest around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
A 10 percent chance of showers and thunderstorms after noon. Sunny and hot, with a high near 105.
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 106.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 79.
Friday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 107.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 79.
Saturday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 104.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Washington UT
 37.16°N 113.42°W (Elev. 3002 ft)
Last Update:
3:05 am MDT Aug 17, 2025
Forecast Valid:
8am 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