National Weather Service United States Department of Commerce

Major Winter Storm Ongoing in the Upper Midwest; Severe Weather Tonight from the Mid-South to the Ohio Valley

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through Monday across the Upper Midwest and Upper Great Lakes. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-South to the Ohio Valley and the Southeast through tonight, moving into the Mid-Atlantic Monday. Read More >

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Last Map Update: Sun, Mar 15, 2026 at 10:42:18 pm PDT

There are no watches, warnings, or advisories at this time.

An expected stable pattern is expected to bring daytime highs 10 to 20 degrees above normal across northern California and southern Oregon through next week. Area valleys and basins are most likely to see the warmest temperatures. These temperatures present a Minor HeatRisk. Individuals who are extremely sensitive to heat may experience heat-related illnesses in this period.
With warmer weather ahead, many will try to cool off while exploring the outdoors. Area waters can be much colder than expected, which poses a number of health risks to sensitive or unprepared individuals. A swimmer risks experiencing cold shock, physical incapacitation, and hypothermia. Please be aware of these hazards while dipping into the Pacific Ocean or area lakes and rivers.
Warm temperatures may make swimming in area water especially enticing, but swimming in cold waters poses a number of health risks. These risks can be reduced by using the proper safety equipment, limiting time in cold water, and never swimming alone.

 

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