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

Hot Temperatures in the West; Heavy Rainfall and Flooding Potential in the Southwest

Hot to extremely hot temperatures are in place across coastal southern California again today and the interior Northwest U.S into Thursday, with the Pacific Northwest carrying the potential for record-breaking high temperatures. A combination of monsoonal moisture and tropical moisture ahead of tropical cyclone Lorena will bring heavy rainfall and the potential for flooding through the week. Read More >

Current conditions at

St George Regional Airport (KSGU)

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

Clear

88°F

31°C

Humidity 28%
Wind Speed WNW 10 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 03 Sep 04:56 PM MDT
Extended Forecast for

Washington UT

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 93. West southwest wind around 6 mph.

    High: 93 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 71. Southwest wind around 6 mph becoming calm in the evening.

    Low: 71 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers between 9am and noon, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 95. Calm wind becoming west southwest 5 to 7 mph in the afternoon. Chance of precipitation is 40%.

    High: 95 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly after 9pm. Mostly cloudy, with a low around 71. West southwest wind 5 to 7 mph becoming calm after midnight.

    Low: 71 °F

    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 91. Calm wind becoming west around 6 mph in the afternoon.

    High: 91 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.

    High: 90 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 69.

    Low: 69 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 93. West southwest wind around 6 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 71. Southwest wind around 6 mph becoming calm in the evening.
Thursday
A slight chance of showers between 9am and noon, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 95. Calm wind becoming west southwest 5 to 7 mph in the afternoon. Chance of precipitation is 40%.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly after 9pm. Mostly cloudy, with a low around 71. West southwest wind 5 to 7 mph becoming calm after midnight.
Friday
A 40 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 91. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Sunday
Sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 68.
Monday
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 67.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Washington UT
 37.13°N 113.5°W (Elev. 2799 ft)
Last Update:
3:05 pm MDT Sep 3, 2025
Forecast Valid:
5pm MDT Sep 3, 2025-6pm MDT Sep 10, 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