Heavy Great Lakes Snow through Friday; Watching Potential for Major Winter Storm Late Week into this Weekend

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Current conditions at

Winchester (ITD41)

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

unknown precip

22°F

-6°C

Humidity 96%
Wind Speed N 4 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility 0.42 mi
Wind Chill17°F (-8°C)
Last update 20 Jan 09:45 AM PST
Detailed forecast for

Lewis and Southern Nez Perce Counties

Rest Of Today
Partly sunny. Highs in the upper 20s to mid 30s.
Tonight
Mostly clear. Lows in the 20s.
Wednesday
Mostly sunny. Highs in the mid 30s to lower 40s.
Wednesday Night
Partly cloudy. Lows in the 20s.
Thursday
Partly sunny. Highs in the 30s.
Thursday Night And Friday
Mostly cloudy. Lows in the lower to mid 20s. Highs in the 30s.
Friday Night Through Saturday Night
Partly cloudy. Lows 18 to 26. Highs in the mid to upper 30s.
Sunday
Partly sunny with a 20 percent chance of snow. Highs in the upper 30s to lower 40s.
Sunday Night
Mostly cloudy with a chance of rain or snow. Lows in the upper 20s to lower 30s. Chance of precipitation 40 percent.
Monday
Mostly cloudy with a chance of rain or snow. Highs in the upper 30s to mid 40s. Chance of precipitation 50 percent.



Basemap Options
Click map to change the forecast location
Loading map...
853 AM PST Tue Jan 20 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database