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

Winter Storm Bringing Widespread Hazardous Weather to the Eastern U.S.

A rapidly-intensifying winter storm continues to bring heavy snow, high winds, and blizzard conditions over the Upper Midwest and Great Lakes through today. An Arctic front will lead in a period of gusty to high winds and sharply colder temperatures over the entire eastern U.S. Heavy lake effect snow is then expected from Lakes Erie and Ontario through New Year's Day. Read More >

Current conditions at

UPPER SAND WASH (USWU1)

Lat: 39.70819°NLon: 109.441°WElev: 6469.0ft.

NA

35°F

2°C

Humidity 28%
Wind Speed N 3 MPH
Barometer NA
Dewpoint 5°F (-15°C)
Visibility NA
Last update 29 Dec 12:27 PM MST
Extended Forecast for

18 Miles SSW Bonanza UT

  • This Afternoon

    This Afternoon: Sunny, with a high near 36. Calm wind.

    High: 36 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 20. Calm wind becoming southeast around 5 mph after midnight.

    Low: 20 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 42. South wind around 5 mph becoming calm in the morning.

    High: 42 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 24. South wind around 5 mph.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 46. South wind around 5 mph becoming calm in the morning.

    High: 46 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A chance of snow showers before 11am, then a chance of rain and snow showers. Mostly cloudy, with a high near 42. Chance of precipitation is 30%.

    High: 42 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A slight chance of rain and snow showers before 11pm, then a slight chance of rain showers. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 36. Calm wind.
Tonight
Mostly clear, with a low around 20. Calm wind becoming southeast around 5 mph after midnight.
Tuesday
Sunny, with a high near 42. South wind around 5 mph becoming calm in the morning.
Tuesday Night
Mostly clear, with a low around 24. South wind around 5 mph.
Wednesday
Partly sunny, with a high near 46. South wind around 5 mph becoming calm in the morning.
Wednesday Night
Mostly cloudy, with a low around 30.
New Year's Day
A chance of snow showers before 11am, then a chance of rain and snow showers. Mostly cloudy, with a high near 42. Chance of precipitation is 30%.
Thursday Night
A slight chance of rain and snow showers before 11pm, then a slight chance of rain showers. Mostly cloudy, with a low around 31.
Friday
Mostly sunny, with a high near 46.
Friday Night
Mostly cloudy, with a low around 32.
Saturday
Partly sunny, with a high near 47.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
A chance of rain and snow showers. Partly sunny, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles SSW Bonanza UT
 39.78°N 109.32°W (Elev. 5997 ft)
Last Update:
10:07 am MST Dec 29, 2025
Forecast Valid:
12pm MST Dec 29, 2025-6pm MST Jan 4, 2026
 
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