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

Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Current conditions at

St George Regional Airport (KSGU)

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

Mostly Cloudy

55°F

13°C

Humidity 54%
Wind Speed NE 3 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 24 Dec 02:35 AM MST
Extended Forecast for

Washington UT

  • Overnight

    Overnight: Rain likely, mainly after 5am. Mostly cloudy, with a low around 53. East northeast wind around 7 mph. Chance of precipitation is 60%.

    Low: 53 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain. High near 64. East northeast wind 6 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 80%.

    High: 64 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly before 2am, then showers and possibly a thunderstorm after 2am. Low around 52. East wind around 10 mph. Chance of precipitation is 100%.

    Low: 52 °F

    Showers

  • Christmas Day

    Christmas Day: Showers and possibly a thunderstorm before 11am, then a chance of rain after 11am. High near 63. East wind 6 to 9 mph becoming southwest in the afternoon. Chance of precipitation is 80%.

    High: 63 °F

    Showers then
    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 46. Southwest wind 6 to 8 mph becoming southeast in the evening. Chance of precipitation is 30%.

    Low: 46 °F

    Chance
    Showers

  • Friday

    Friday: A chance of rain, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.

    High: 58 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then rain likely after 8pm. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of rain. Partly sunny, with a high near 53.

    High: 53 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A slight chance of rain before 11pm. Partly cloudy, with a low around 33.

    Low: 33 °F

    Slight Chance
    Rain then
    Partly Cloudy

Detailed Forecast

Overnight
Rain likely, mainly after 5am. Mostly cloudy, with a low around 53. East northeast wind around 7 mph. Chance of precipitation is 60%.
Wednesday
Rain. High near 64. East northeast wind 6 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 80%.
Wednesday Night
Rain, mainly before 2am, then showers and possibly a thunderstorm after 2am. Low around 52. East wind around 10 mph. Chance of precipitation is 100%.
Christmas Day
Showers and possibly a thunderstorm before 11am, then a chance of rain after 11am. High near 63. East wind 6 to 9 mph becoming southwest in the afternoon. Chance of precipitation is 80%.
Thursday Night
A chance of rain before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 46. Southwest wind 6 to 8 mph becoming southeast in the evening. Chance of precipitation is 30%.
Friday
A chance of rain, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then rain likely after 8pm. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Saturday
A chance of rain. Partly sunny, with a high near 53.
Saturday Night
A slight chance of rain before 11pm. Partly cloudy, with a low around 33.
Sunday
Sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 31.
Monday
Sunny, with a high near 53.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Mostly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Washington UT
 37.11°N 113.5°W (Elev. 2694 ft)
Last Update:
2:03 am MST Dec 24, 2025
Forecast Valid:
2am MST Dec 24, 2025-6pm MST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation