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

Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Rock Springs, Rock Springs-Sweetwater County Airport (KRKS)

Lat: 41.59417°NLon: 109.06528°WElev: 6759.0ft.

Overcast

30°F

-1°C

Humidity 80%
Wind Speed WSW 20 MPH
Barometer 29.81 in (1009.48 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 27 Dec 04:20 AM MST
Extended Forecast for

Reliance WY

  • Overnight

    Overnight: A 40 percent chance of snow. Mostly cloudy, with a low around 29. West wind around 11 mph, with gusts as high as 20 mph. Total nighttime snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance Snow

  • Saturday

    Saturday: A chance of snow before 9am, then a slight chance of snow after 1pm. Mostly cloudy, with a high near 36. Breezy, with a west southwest wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 30%.

    High: 36 °F

    Chance Snow
    and Breezy

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 11. Wind chill values as low as zero. Blustery, with a west northwest wind 10 to 17 mph, with gusts as high as 26 mph.

    Low: 11 °F

    Slight Chance
    Snow and
    Blustery then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 26. Wind chill values as low as -5. West wind 10 to 14 mph, with gusts as high as 21 mph.

    High: 26 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 7. West southwest wind 3 to 8 mph.

    Low: 7 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 30. West southwest wind 5 to 8 mph.

    High: 30 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 14. West southwest wind around 6 mph.

    Low: 14 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

Detailed Forecast

Overnight
A 40 percent chance of snow. Mostly cloudy, with a low around 29. West wind around 11 mph, with gusts as high as 20 mph. Total nighttime snow accumulation of less than a half inch possible.
Saturday
A chance of snow before 9am, then a slight chance of snow after 1pm. Mostly cloudy, with a high near 36. Breezy, with a west southwest wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 30%.
Saturday Night
A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 11. Wind chill values as low as zero. Blustery, with a west northwest wind 10 to 17 mph, with gusts as high as 26 mph.
Sunday
Sunny, with a high near 26. Wind chill values as low as -5. West wind 10 to 14 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 7. West southwest wind 3 to 8 mph.
Monday
Sunny, with a high near 30. West southwest wind 5 to 8 mph.
Monday Night
Mostly clear, with a low around 14. West southwest wind around 6 mph.
Tuesday
Sunny, with a high near 38.
Tuesday Night
Mostly clear, with a low around 17.
Wednesday
Sunny, with a high near 41.
Wednesday Night
Mostly clear, with a low around 20.
New Year's Day
Partly sunny, with a high near 42.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
Mostly cloudy, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Reliance WY
 41.67°N 109.2°W (Elev. 6549 ft)
Last Update:
3:32 am MST Dec 27, 2025
Forecast Valid:
4am MST Dec 27, 2025-6pm MST Jan 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation