Back-to-back powerful Pacific storm systems to impact the Pacific Northwest and northern California through the end of this week with heavy rain, flooding, strong winds, and higher elevation mountain snow. A strong, long-duration atmospheric river will accompany the Pacific storms, bringing excessive rainfall and flash flooding to southwest Oregon and northwest California through the week. Read More >
INFOGRAPHIC | HERE |
Provo Canyon Forecast |
Cottonwood Canyons Forecast |
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Cottonwood Canyons Forecast |
Provo Canyon Forecast |
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Show Probabilistic Forecast |
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Show "Classic" Forecast |
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 |
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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 |
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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 (%) | ||||||||||||||||||||||