National Weather Service United States Department of Commerce

Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

Catastrophic flooding and landslides will continue to bring a significant risk to life and property in Washington and northwest Oregon. 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 >

 

 
 
Probabilistic Forecast BETA
 
Issuance
PERIOD 1 PERIOD 2
Weather Comment: None Weather Comment: None
Temperature (°F) Snow
Amount
Probability
Snow
Water Eq.
Probability
Temperature (°F) Snow
Amount
Probability
Snow
Water Eq.
Probability
 
Snow Level (kFt)
 
 
 
 
 
 
 
 
Snow Level (kFt)
 
 
 
 
 
 
 
Precipitation Intensity (in/hour) - Snow Precipitation Intensity (in/hour) - Snow click for Water
   
Precipitation Intensity (in/hour) - Water Precipitation Intensity (in/hour) - Water click for Snow
   
Snow Density (%) Snow Density (%)click for SLR
   
Snow-Liquid Ratio Snow-Liquid Ratio click for Density
   
Surface Wind (mph) Surface Wind (mph)
   
10000 ft MSL (700mb) Wind (mph) 10000 ft MSL (700mb) Wind (mph)
   
Probability of Lightning (%) Probability of Lightning (%)