Current conditions at

Winchester (ITD41)

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

NA

40°F

4°C

Humidity 91%
Wind Speed S 3 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility 1.24 mi
Last update 20 May 02:45 AM PDT
Detailed forecast for

Lewis and Southern Nez Perce Counties

Today
Mostly cloudy in the morning, becoming partly cloudy. Highs in the 60s. Northwest wind 5 to 15 mph in the afternoon.
Tonight
Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 30s to mid 40s. Gusts up to 25 mph in the evening. Chance of precipitation 20 percent.
Thursday
Sunny. Highs in the mid 60s to lower 70s.
Thursday Night
Mostly cloudy. Lows in the 40s.
Friday
Sunny, warmer. Highs in the upper 60s to upper 70s.
Friday Night Through Sunday Night
Mostly clear. Lows in the mid 40s to lower 50s. Highs in the mid 70s to lower 80s.
Memorial Day
Partly cloudy. Highs in the upper 60s to lower 70s.
Monday Night
Mostly cloudy with a 50 percent chance of rain showers. Lows in the lower to mid 40s.
Tuesday
Cooler. Mostly cloudy with a chance of rain and high mountain snow showers. Highs in the 50s. Chance of precipitation 50 percent.



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209 AM PDT Wed May 20 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database