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

Storm Moving from Western into Central U.S. through Wednesday

A storm system moving over the Rockies Wednesday will bring marginal risks for excessive rainfall and severe thunderstorms from parts of New Mexico into western South Dakota. Moderate snow is expected from northwestern Wyoming into southern Montana. Read More >

Current conditions at

BIG SHEEP MOUNTAIN (LCFM8)

Lat: 47.02819°NLon: 105.80472°WElev: 3172.0ft.

NA

41°F

5°C

Humidity 94%
Wind Speed NNE 4 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Wind Chill38°F (3°C)
Last update 15 Oct 01:08 AM MDT
Extended Forecast for

10 Miles NW Rock Springs MT

  • Overnight

    Overnight: A 30 percent chance of rain after 4am. Patchy fog between 4am and 5am. Otherwise, mostly cloudy, with a low around 35. Northwest wind around 5 mph becoming calm.

    Low: 35 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday

    Wednesday: Rain before 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then showers and possibly a thunderstorm after 5pm. Patchy fog before 7am. High near 55. Calm wind becoming east 5 to 9 mph in the afternoon. Chance of precipitation is 80%.

    High: 55 °F

    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before midnight, then rain after midnight. Low around 43. East wind 7 to 9 mph becoming north after midnight. Chance of precipitation is 90%.

    Low: 43 °F

    Showers

  • Thursday

    Thursday: Rain. High near 50. North northwest wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.

    High: 50 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before midnight. Cloudy, with a low around 39. West wind 11 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.

    Low: 39 °F

    Rain Likely

  • Friday

    Friday: A 40 percent chance of rain, mainly before noon. Mostly sunny, with a high near 55. West wind 13 to 21 mph, with gusts as high as 28 mph.

    High: 55 °F

    Chance Rain

  • Friday Night

    Friday Night: A 20 percent chance of rain. Partly cloudy, with a low around 34. West northwest wind 14 to 17 mph, with gusts as high as 24 mph.

    Low: 34 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 53. West northwest wind 14 to 17 mph, with gusts as high as 23 mph.

    High: 53 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34. West northwest wind around 10 mph becoming south southwest after midnight.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of rain after 4am. Patchy fog between 4am and 5am. Otherwise, mostly cloudy, with a low around 35. Northwest wind around 5 mph becoming calm.
Wednesday
Rain before 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then showers and possibly a thunderstorm after 5pm. Patchy fog before 7am. High near 55. Calm wind becoming east 5 to 9 mph in the afternoon. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm before midnight, then rain after midnight. Low around 43. East wind 7 to 9 mph becoming north after midnight. Chance of precipitation is 90%.
Thursday
Rain. High near 50. North northwest wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Thursday Night
Rain likely, mainly before midnight. Cloudy, with a low around 39. West wind 11 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Friday
A 40 percent chance of rain, mainly before noon. Mostly sunny, with a high near 55. West wind 13 to 21 mph, with gusts as high as 28 mph.
Friday Night
A 20 percent chance of rain. Partly cloudy, with a low around 34. West northwest wind 14 to 17 mph, with gusts as high as 24 mph.
Saturday
Mostly sunny, with a high near 53. West northwest wind 14 to 17 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 34. West northwest wind around 10 mph becoming south southwest after midnight.
Sunday
Mostly sunny, with a high near 63. South southwest wind 10 to 14 mph, with gusts as high as 20 mph.
Sunday Night
A 20 percent chance of rain. Partly cloudy, with a low around 38. South wind around 11 mph becoming west southwest after midnight.
Monday
A chance of rain. Mostly sunny, with a high near 57.
Monday Night
A chance of rain. Partly cloudy, with a low around 33.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NW Rock Springs MT
 46.9°N 106.4°W (Elev. 2864 ft)
Last Update:
8:42 pm MDT Oct 14, 2025
Forecast Valid:
1am MDT Oct 15, 2025-6pm MDT Oct 21, 2025
 
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