National Weather Service United States Department of Commerce

Dangerous Fire Weather Conditions in Southern California; Snow in the Rockies

A strong Santa Ana wind event will bring widespread Extremely Critical fire weather conditions to many areas of Los Angeles and Ventura counties into Thursday. Heavy snow is impacting the central to southern Rockies and nearby High Plains. Hurricane Rafael continues to bring tropical storm conditions to the Florida Keys. Read More >

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Provo Canyon Forecast

Cottonwood Canyons Forecast

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Cottonwood Canyons Forecast

Provo Canyon Forecast

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Synopsis
PERIOD 1 PERIOD 2
Weather Comment: None Weather Comment: None
Alta Guard Temperature (°F) Snow
Amount
Probability
Snow
Water Eq.
Probability
Snow Level (kFt) Alta Guard Temperature (°F) Snow
Amount
Probability
Snow
Water Eq.
Probability
Snow Level (kFt)
               
Snow Rate (in/hr) Average Peak Snow Rate (in/hr) Average Peak
           
Snow Comment: None Snow Comment: None
Wind (MPH) 12 Hr Average Direction Gust (Peak) Wind (MPH) 12 Hr Average Direction Gust (Peak)
9000' Ridgelines       9000' Ridgelines      
11000' Ridgelines       11000' Ridgelines      
Wind Comment: None Wind Comment: None
Probability of Lightning (%) Probability of Lightning (%)
   
Storm Totals
Storm Duration Storm Total Water Storm Total Snow
N/A N/A N/A
Remarks: None
           
Issuance
Synopsis
PERIOD 1 PERIOD 2
Weather Comment: None Weather Comment: None
Alta Guard Temperature (°F) Snow
Amount
Probability
Snow
Water Eq.
Probability
Alta Guard Temperature (°F) Snow
Amount
Probability
Snow
Water Eq.
Probability
 
Snow Level (kFt)
 
 
 
 
 
 
 
 
Snow Level (kFt)
 
 
 
 
 
 
 
Snow Comment: None Snow Comment: None
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
   
Wind Comment: None Wind Comment: None
9,000 ft Wind (mph) 9,000 ft Wind (mph)
   
11,000 ft Wind - Mt Baldy (mph) 11,000 ft Wind - Mt Baldy (mph)
   
Probability of Lightning (%) Probability of Lightning (%)
   
Storm Totals
Storm Duration Storm Total Water Storm Total Snow
N/A N/A N/A
Remarks: None
 
 
           
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)
   
700 mb Wind (mph) 700 mb Wind (mph)
   
Probability of Lightning (%) Probability of Lightning (%)