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

Tracking Atmospheric River for the West Coast; Space Weather Storming Continues

An atmospheric river will bring threats of gusty to high winds and heavy rainfall to California mainly Thursday into Saturday which may bring areas of flooding and wind damage. Heavy snow will be possible over the Sierra Nevada mountains Thursday into Friday associated with the atmospheric river. Minor to severe geomagnetic storming (space weather) is expected to continue into early Thursday. Read More >

Current conditions at

I80/US30 - Peru Hill (KCMS)

Lat: 41.54958°NLon: 109.60197°WElev: 6407.0ft.

NA

57°F

14°C

Humidity 26%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility 1.24 mi
Last update 12 Nov 01:56 PM MST
Extended Forecast for

5 Miles W North Rock Springs WY

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 54. Southwest wind 3 to 5 mph.

    High: 54 °F

    Partly Sunny

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 33. South southwest wind 6 to 9 mph.

    Low: 33 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 57. Breezy, with a west southwest wind 9 to 17 mph, with gusts as high as 24 mph.

    High: 57 °F

    Sunny then
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 34. South southwest wind around 10 mph.

    Low: 34 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 56. Breezy, with a south southwest wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph.

    High: 56 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33. West southwest wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 52. West wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 52 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after 11am. Partly sunny, with a high near 49.

    High: 49 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 54. Southwest wind 3 to 5 mph.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 33. South southwest wind 6 to 9 mph.
Thursday
Sunny, with a high near 57. Breezy, with a west southwest wind 9 to 17 mph, with gusts as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 34. South southwest wind around 10 mph.
Friday
Partly sunny, with a high near 56. Breezy, with a south southwest wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Mostly cloudy, with a low around 33. West southwest wind 10 to 13 mph, with gusts as high as 22 mph.
Saturday
Mostly sunny, with a high near 52. West wind 10 to 13 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
A 20 percent chance of showers after 11am. Partly sunny, with a high near 49.
Sunday Night
A chance of rain showers before 11pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.
Monday
A slight chance of snow showers. Mostly cloudy, with a high near 43.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 26.
Tuesday
A slight chance of snow showers. Mostly cloudy, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W North Rock Springs WY
 41.64°N 109.34°W (Elev. 7569 ft)
Last Update:
1:32 pm MST Nov 12, 2025
Forecast Valid:
2pm MST Nov 12, 2025-6pm MST Nov 18, 2025
 
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Additional Resources

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