Major River Flooding in Western Washington; Very Cold Temperatures in the Northern Plains

Major river flooding following heavy rainfall will continue to bring a significant risk to life and property in Washington. Arctic air will bring near record cold temperatures and dangerous wind chills from the Northern High Plains into the Mid-South and Mid-Atlantic through the weekend. A narrow band of snow is likely from the Mid-West, Upper Ohio Valley into the Central Appalachians. Read More >

Current conditions at

Alturas (KAAT)

Lat: 41.48362° N Lon: 120.5615° W Elev: 4383.0 ft.

Clear

52°F

11°C

Humidity 40%
Wind Speed N 0 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 12 Dec 03:55 PM PST
Detailed forecast for

Modoc County

Tonight
Mostly clear early this evening then becoming partly cloudy. Lows in the mid 20s to mid 30s. East winds around 5 mph.
Saturday
Partly cloudy in the morning then clearing. Highs in the mid 50s to lower 60s. Southeast winds 5 to 10 mph.
Saturday Night
Mostly clear. Lows in the mid 20s to mid 30s. Southeast winds 5 to 10 mph.
Sunday
Sunny in the morning then becoming partly cloudy. Highs in the lower 50s to lower 60s. South winds 5 to 10 mph.
Sunday Night
Partly cloudy. Lows in the lower 30s to lower 40s. South winds 5 to 10 mph.
Monday
Mostly cloudy. Chance of rain in the afternoon. Highs in the lower 50s to lower 60s.
Monday Night
Mostly cloudy with a chance of rain. Lows around 40.
Tuesday
Mostly cloudy. Chance of rain in the morning, then rain likely in the afternoon. Highs in the mid 40s to mid 50s.
Tuesday Night
Rain, breezy. Lows in the mid 30s to lower 40s.
Wednesday And Wednesday Night
Mostly cloudy with a chance of rain. Highs in the lower 40s to lower 50s. Lows in the lower 30s to lower 40s.
Thursday And Thursday Night
Rain likely. Highs in the mid 40s to lower 50s. Lows in the lower 30s to lower 40s.
Friday
Rain likely. Highs in the mid 40s to lower 50s.



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224 PM PST Fri Dec 12 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database