Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast across parts of the Upper Midwest into the Great Lakes, the Northeast, and the central High Plains. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Current conditions at

I80/US30 - Peru Hill (KCMS)

Lat: 41.54958° N Lon: 109.60197° W Elev: 6407.0 ft.

NA

41°F

5°C

Humidity 56%
Wind Speed E 3 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility 1.24 mi
Last update 01 Jul 06:26 AM MDT
Detailed forecast for

Rock Springs and Green River

Rest Of Tonight
Clear. Lows around 40.
Wednesday
Sunny in the morning, then becoming partly cloudy. Highs in the upper 70s. Southwest winds around 10 mph in the afternoon.
Wednesday Night
Partly cloudy in the evening, then clearing. Lows in the mid 40s. West winds around 10 mph in the evening.
Thursday
Mostly sunny in the morning, then becoming partly cloudy. A slight chance of. Highs around 80. West winds 10 to 15 mph in the afternoon.
Thursday Night
Partly cloudy. Lows in the mid 40s. Northwest winds 10 to 15 mph with gusts up to 25 mph in the evening.
Friday
Partly cloudy. Highs around 80.
Friday Night
Partly cloudy in the evening, then clearing. Lows around 50.
Independence Day
Sunny. Highs in the mid 80s.
Saturday Night
Mostly clear. Lows around 50.
Sunday
Sunny. Highs in the upper 80s.
Sunday Night
Mostly clear. Lows in the mid 50s.
Monday
Partly cloudy in the morning, then clearing. Highs around 90.
Monday Night
Partly cloudy. Lows in the mid 50s.
Tuesday
Partly cloudy in the morning, then clearing. A slight chance of. Highs around 90.



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247 AM MDT Wed Jul 1 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database