National Weather Service United States Department of Commerce

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

 

 

 

 

Severe Weather Outlooks and Probabilities

Today

Today's Overall Severe Weather Risk Today's Tornado Risk
Today's Damaging Wind Risk Today's Large Hail Risk

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Tomorrow

Tomorrow's Severe Weather Risk Tomorrow's Tornado Risk
Tomorrow's Damaging Wind Risk Tomorrow's Large Hail Risk
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Day 3 Severe Weather Risk

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Severe Weather Timing Graphics

Western Montana

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North-Central Montana

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Central and Southwestern Montana

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Eastern Montana

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For severe timing graphics for additional cities and for Day 2 severe timing graphics click here.

 

Explanation of SPC Outlook Categories

 

Visit the Storm Prediction Center Website for more information on potential severe weather over the next few days

 

Current Mesoscale Discussions

Current Severe Thunderstorm & Tornado Watches

 

Today's Tornado, Wind & Hail Reports Yesterday's Tornado, Wind & Hail Reports

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