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

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

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

Clear

48°F

9°C

Humidity 62%
Wind Speed S 17 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 24 Dec 09:54 PM MST
Extended Forecast for

Rock Springs WY

  • Tonight

    Tonight: Isolated showers after 4am. Mostly cloudy, with a low around 41. Breezy, with a south wind around 18 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 41 °F

    Breezy.
    Mostly Cloudy
    then Isolated
    Showers

  • Christmas Day

    Christmas Day: Scattered showers and thunderstorms, mainly between 4pm and 5pm. Partly sunny, with a high near 53. Breezy, with a southwest wind 13 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 53 °F

    Scattered
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32. South southwest wind 7 to 10 mph.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Rain likely, possibly mixed with snow showers, mainly after 5pm. Mostly cloudy, with a high near 46. Breezy, with a southwest wind 9 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 46 °F

    Rain/Snow
    Likely and
    Breezy

  • Friday Night

    Friday Night: Snow showers likely, possibly mixed with rain before 11pm, then a chance of snow showers. Mostly cloudy, with a low around 28. West southwest wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Rain/Snow
    Likely then
    Chance Snow
    Showers

  • Saturday

    Saturday: A 20 percent chance of snow showers. Mostly sunny, with a high near 36. Breezy, with a west southwest wind 11 to 17 mph, with gusts as high as 28 mph.

    High: 36 °F

    Slight Chance
    Snow Showers
    and Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 10. Breezy, with a west wind 11 to 15 mph, with gusts as high as 23 mph.

    Low: 10 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 28.

    High: 28 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 8.

    Low: 8 °F

    Mostly Clear

Detailed Forecast

Tonight
Isolated showers after 4am. Mostly cloudy, with a low around 41. Breezy, with a south wind around 18 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Christmas Day
Scattered showers and thunderstorms, mainly between 4pm and 5pm. Partly sunny, with a high near 53. Breezy, with a southwest wind 13 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 32. South southwest wind 7 to 10 mph.
Friday
Rain likely, possibly mixed with snow showers, mainly after 5pm. Mostly cloudy, with a high near 46. Breezy, with a southwest wind 9 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday Night
Snow showers likely, possibly mixed with rain before 11pm, then a chance of snow showers. Mostly cloudy, with a low around 28. West southwest wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday
A 20 percent chance of snow showers. Mostly sunny, with a high near 36. Breezy, with a west southwest wind 11 to 17 mph, with gusts as high as 28 mph.
Saturday Night
Partly cloudy, with a low around 10. Breezy, with a west wind 11 to 15 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 28.
Sunday Night
Mostly clear, with a low around 8.
Monday
Sunny, with a high near 32.
Monday Night
Mostly clear, with a low around 14.
Tuesday
Sunny, with a high near 38.
Tuesday Night
Mostly clear, with a low around 18.
Wednesday
Sunny, with a high near 41.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rock Springs WY
 41.58°N 109.22°W (Elev. 6316 ft)
Last Update:
9:17 pm MST Dec 24, 2025
Forecast Valid:
10pm MST Dec 24, 2025-6pm MST Dec 31, 2025
 
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