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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

73°F

23°C

Humidity 27%
Wind Speed S 6 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 17 Aug 12:35 PM MDT
Extended Forecast for

12 Miles SE 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 78. West northwest wind 8 to 10 mph becoming southwest.

    High: 78 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 54. West wind 6 to 11 mph becoming light and variable.

    Low: 54 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83. South southeast wind 5 to 7 mph becoming calm in the afternoon.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. West wind 5 to 7 mph becoming calm after midnight.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53. Northwest wind 5 to 7 mph becoming light and variable after midnight.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88.

    High: 88 °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 78. West northwest wind 8 to 10 mph becoming southwest.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 54. West wind 6 to 11 mph becoming light and variable.
Monday
Sunny, with a high near 83. South southeast wind 5 to 7 mph becoming calm in the afternoon.
Monday Night
Mostly clear, with a low around 53. West wind 5 to 7 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 88. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 53. Northwest wind 5 to 7 mph becoming light and variable after midnight.
Wednesday
Sunny, with a high near 90. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88.
Thursday Night
Partly cloudy, with a low around 55.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 53.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles SE Rock Springs WY
 41.49°N 109°W (Elev. 6614 ft)
Last Update:
11:28 am MDT Aug 17, 2025
Forecast Valid:
12pm 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