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

91°F

33°C

Humidity 18%
Wind Speed N 0 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 17 Aug 12:35 PM MDT
Extended Forecast for

Saint George UT

  • This Afternoon

    This Afternoon: Sunny, with a high near 99. West southwest wind 5 to 7 mph.

    High: 99 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 70. West southwest wind 5 to 8 mph becoming calm 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 in the evening.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 105. Light and variable wind.

    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 108.

    High: 108 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 99. West southwest wind 5 to 7 mph.
Tonight
Clear, with a low around 70. West southwest wind 5 to 8 mph becoming calm 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 in the evening.
Tuesday
Sunny and hot, with a high near 105. Light and variable wind.
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 108.
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 81.
Saturday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 106.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint George UT
 37.07°N 113.6°W (Elev. 2661 ft)
Last Update:
3:05 am MDT Aug 17, 2025
Forecast Valid:
12pm MDT Aug 17, 2025-6pm MDT Aug 23, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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