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

Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

St George Regional Airport (KSGU)

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

Clear

39°F

4°C

Humidity 85%
Wind Speed N 0 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 28 Dec 01:56 AM MST
Extended Forecast for

Washington UT

  • Overnight

    Overnight: Mostly clear, with a low around 32. Light northwest wind.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 49. Northeast wind around 6 mph becoming west northwest in the morning.

    High: 49 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 28. Northeast wind around 6 mph becoming north northwest in the evening.

    Low: 28 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 51. East northeast wind 3 to 5 mph.

    High: 51 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 27. Northeast wind 3 to 6 mph.

    Low: 27 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain after 11pm. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 32. Light northwest wind.
Sunday
Sunny, with a high near 49. Northeast wind around 6 mph becoming west northwest in the morning.
Sunday Night
Mostly clear, with a low around 28. Northeast wind around 6 mph becoming north northwest in the evening.
Monday
Sunny, with a high near 51. East northeast wind 3 to 5 mph.
Monday Night
Clear, with a low around 27. Northeast wind 3 to 6 mph.
Tuesday
Sunny, with a high near 52.
Tuesday Night
Mostly clear, with a low around 28.
Wednesday
Mostly sunny, with a high near 55.
Wednesday Night
A slight chance of rain after 11pm. Mostly cloudy, with a low around 36.
New Year's Day
A chance of rain. Partly sunny, with a high near 55.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 41.
Friday
A chance of rain. Mostly cloudy, with a high near 54.
Friday Night
A chance of rain. Mostly cloudy, with a low around 42.
Saturday
A chance of rain. Partly sunny, with a high near 54.
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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:
2:04 am MST Dec 28, 2025
Forecast Valid:
2am MST Dec 28, 2025-6pm MST Jan 3, 2026
 
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