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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

I80/US30 - Peru Hill (KCMS)

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

NA

72°F

22°C

Humidity 25%
Wind Speed SSW 9 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility 1.24 mi
Last update 17 Aug 08:12 PM MDT
Extended Forecast for

Green River WY

  • Tonight

    Tonight: Partly cloudy, with a low around 54. West southwest wind around 5 mph becoming calm after midnight.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 83. East wind around 6 mph becoming calm.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. West wind around 6 mph becoming calm in the evening.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. Calm wind becoming west around 6 mph in the afternoon.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55. Northwest wind around 5 mph becoming calm after midnight.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58. West wind 5 to 8 mph.

    Low: 58 °F

    Partly Cloudy

  • 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

  • Thursday Night

    Thursday Night: A 10 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 54. West southwest wind around 5 mph becoming calm after midnight.
Monday
Sunny, with a high near 83. East wind around 6 mph becoming calm.
Monday Night
Mostly clear, with a low around 53. West wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 88. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 55. Northwest wind around 5 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 91. Calm wind becoming west 5 to 9 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 58. West wind 5 to 8 mph.
Thursday
A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88.
Thursday Night
A 10 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 56.
Friday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86.
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 85.
Saturday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Green River WY
 41.54°N 109.45°W (Elev. 6752 ft)
Last Update:
6:42 pm MDT Aug 17, 2025
Forecast Valid:
8pm MDT Aug 17, 2025-6pm MDT Aug 24, 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