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 >

Current conditions at

St George Regional Airport (KSGU)

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

Partly Cloudy

59°F

15°C

Humidity 67%
Wind Speed S 13 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 25 Dec 06:05 AM MST
Extended Forecast for

Saint George UT

  • Christmas Day

    Christmas Day: Showers likely and possibly a thunderstorm before 8am, then a chance of rain, mainly after 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 64. East wind 6 to 8 mph becoming southwest in the afternoon. Chance of precipitation is 70%.

    High: 64 °F

    Showers
    Likely then
    Chance Rain

  • Tonight

    Tonight: A 20 percent chance of rain. Partly cloudy, with a low around 45. West southwest wind around 6 mph becoming east in the evening.

    Low: 45 °F

    Slight Chance
    Rain

  • Friday

    Friday: A 40 percent chance of rain. Mostly cloudy, with a high near 59. Light and variable wind becoming southwest around 6 mph in the afternoon.

    High: 59 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain. Low around 43. West southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%.

    Low: 43 °F

    Rain

  • Saturday

    Saturday: A 50 percent chance of rain. Partly sunny, with a high near 52. Calm wind.

    High: 52 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before 11pm. Mostly clear, with a low around 32.

    Low: 32 °F

    Slight Chance
    Rain then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

Detailed Forecast

Christmas Day
Showers likely and possibly a thunderstorm before 8am, then a chance of rain, mainly after 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 64. East wind 6 to 8 mph becoming southwest in the afternoon. Chance of precipitation is 70%.
Tonight
A 20 percent chance of rain. Partly cloudy, with a low around 45. West southwest wind around 6 mph becoming east in the evening.
Friday
A 40 percent chance of rain. Mostly cloudy, with a high near 59. Light and variable wind becoming southwest around 6 mph in the afternoon.
Friday Night
Rain. Low around 43. West southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%.
Saturday
A 50 percent chance of rain. Partly sunny, with a high near 52. Calm wind.
Saturday Night
A 20 percent chance of rain before 11pm. Mostly clear, with a low around 32.
Sunday
Sunny, with a high near 47.
Sunday Night
Mostly clear, with a low around 26.
Monday
Sunny, with a high near 50.
Monday Night
Mostly clear, with a low around 28.
Tuesday
Sunny, with a high near 54.
Tuesday Night
Mostly clear, with a low around 31.
Wednesday
Mostly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint George UT
 37.12°N 113.61°W (Elev. 2740 ft)
Last Update:
2:04 am MST Dec 25, 2025
Forecast Valid:
6am MST Dec 25, 2025-6pm MST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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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