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

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Hazardous Weather Conditions

Current conditions at

St George Regional Airport (KSGU)

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

Rain

58°F

14°C

Humidity 80%
Wind Speed ESE 5 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 24 Dec 07:56 PM MST
Extended Forecast for

16 Miles NW Ivins UT

Winter Weather Advisory December 24, 08:03pm until December 25, 11:00pm
Winter Weather Advisory December 26, 05:00pm until December 27, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
Winter Weather Advisory
  •  
    Winter Weather Advisory December 24, 08:03pm until December 25, 11:00pm

    NOW until 11:00pm Thu

    Winter Weather Advisory

  • Tonight

    Low: 50 °F

    Showers

  • Christmas Day

    Christmas Day: Showers and possibly a thunderstorm before 8am, then a chance of rain, mainly between 8am and 2pm. Temperature falling to around 44 by 8am. South southwest wind 15 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 90%.

    High: 50 °F⇓

    Showers then
    Chance Rain

  • Thursday Night

    Thursday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 41. South wind around 16 mph, with gusts as high as 32 mph.

    Low: 41 °F

    Chance Rain

  • Friday

    Friday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 44. South wind around 14 mph. Chance of precipitation is 60%.

    High: 44 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain likely before 2am, then rain likely, possibly mixed with snow. Cloudy, with a low around 37. South southwest wind 8 to 11 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Saturday

    Saturday: A chance of rain and snow before 8am, then a chance of snow between 8am and 2pm, then a chance of rain and snow after 2pm. Partly sunny, with a high near 41. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 41 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A slight chance of rain and snow before 8pm, then a slight chance of snow between 8pm and 11pm. Partly cloudy, with a low around 29. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 36.

    High: 36 °F

    Sunny

Detailed Forecast

Tonight
Rain before 11pm, then showers and possibly a thunderstorm after 11pm. Steady temperature around 50. South wind around 21 mph, with gusts as high as 36 mph. Chance of precipitation is 100%.
Christmas Day
Showers and possibly a thunderstorm before 8am, then a chance of rain, mainly between 8am and 2pm. Temperature falling to around 44 by 8am. South southwest wind 15 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 90%.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 41. South wind around 16 mph, with gusts as high as 32 mph.
Friday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 44. South wind around 14 mph. Chance of precipitation is 60%.
Friday Night
Rain likely before 2am, then rain likely, possibly mixed with snow. Cloudy, with a low around 37. South southwest wind 8 to 11 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday
A chance of rain and snow before 8am, then a chance of snow between 8am and 2pm, then a chance of rain and snow after 2pm. Partly sunny, with a high near 41. Chance of precipitation is 50%. Little or no snow accumulation expected.
Saturday Night
A slight chance of rain and snow before 8pm, then a slight chance of snow between 8pm and 11pm. Partly cloudy, with a low around 29. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 36.
Sunday Night
Mostly clear, with a low around 28.
Monday
Sunny, with a high near 39.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Sunny, with a high near 45.
Tuesday Night
Mostly clear, with a low around 33.
Wednesday
A chance of rain and snow. Mostly sunny, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NW Ivins UT
 37.36°N 113.85°W (Elev. 5853 ft)
Last Update:
2:04 pm MST Dec 24, 2025
Forecast Valid:
8pm MST Dec 24, 2025-6pm MST Dec 31, 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