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Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. 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

77°F

25°C

Humidity 24%
Wind Speed SW 8 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 17 Aug 12:54 PM MDT
Extended Forecast for

6 Miles SSE Rock Springs WY

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Mostly sunny, with a high near 77. Southwest wind 6 to 10 mph.

    High: 77 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 56. West southwest wind 6 to 11 mph becoming light and variable after midnight.

    Low: 56 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 82. West wind 5 to 7 mph becoming calm in the afternoon.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. West northwest wind around 6 mph becoming light and variable after midnight.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57. Northwest wind around 7 mph becoming southeast after midnight.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Mostly sunny, with a high near 77. Southwest wind 6 to 10 mph.
Tonight
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 56. West southwest wind 6 to 11 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 82. West wind 5 to 7 mph becoming calm in the afternoon.
Monday Night
Mostly clear, with a low around 56. West northwest wind around 6 mph becoming light and variable after midnight.
Tuesday
Sunny, with a high near 87. Calm wind becoming west 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 57. Northwest wind around 7 mph becoming southeast after midnight.
Wednesday
Sunny, with a high near 90. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87.
Thursday Night
A 10 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 58.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE Rock Springs WY
 41.5°N 109.15°W (Elev. 6801 ft)
Last Update:
12:58 pm MDT Aug 17, 2025
Forecast Valid:
1pm MDT Aug 17, 2025-6pm MDT Aug 23, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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