Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

Winchester (ITD41)

Lat: 46.25521° N Lon: 116.6051° W Elev: 3761.0 ft.

NA

45°F

7°C

Humidity 90%
Wind Speed S 4 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility 1.24 mi
Wind Chill43°F (6°C)
Last update 08 Sep 10:30 PM PDT
Detailed forecast for

Lewis and Southern Nez Perce Counties

Rest Of Tonight
Clear. Lows in the lower 40s to lower 50s.
Wednesday
Sunny. Highs in the mid 70s to mid 80s.
Wednesday Night
Partly cloudy. Lows in the upper 40s to mid 50s. Gusts up to 20 mph overnight.
Thursday
Partly cloudy. Highs in the mid 70s to mid 80s. Southwest wind 5 to 15 mph with gusts up to 30 mph.
Thursday Night
Mostly cloudy with a 50 percent chance of rain showers. Lows in the mid 40s to mid 50s. West wind 5 to 15 mph with gusts up to 35 mph.
Friday
Sunny. Highs in the mid 60s to mid 70s.
Friday Night
Mostly cloudy. Lows in the mid 40s to lower 50s.
Saturday
Mostly cloudy with a 40 percent chance of rain showers. Highs in the lower 60s to lower 70s.
Saturday Night
Rain showers and a chance of thunderstorms. Lows in the 40s. Chance of precipitation 90 percent.
Sunday
Rain showers likely. Highs in the mid 50s to lower 60s. Chance of precipitation 70 percent.
Sunday Night
Partly cloudy with a 30 percent chance of rain showers. Lows in the upper 30s to mid 40s.
Monday And Monday Night
Mostly clear. Highs in the 60s. Lows in the upper 30s to mid 40s.
Tuesday
Sunny. Highs in the upper 60s to lower 70s.



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1047 PM PDT Tue Sep 8 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database