National Weather Service United States Department of Commerce

Heat Building and Strong to Severe Storms

A building ridge of high pressure will produce possible record heat and extremely humid conditions over the next several days. The summer heat wave is already present in the south Plains, will expand across the Mid-Atlantic/Northeast and then shift into the Desert Southwest. Meanwhile, a cold front may trigger strong to severe storms w/ heavy rain from the Great Lakes to the south-central Plains Read More >

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Meteorological Model Ensemble River Forecasts
Map Last Updated:

 

News Legend
News Items less than 24 hours old News Items 1 to 7 days old No current News Items
Map Legend
Chance of Exceedance
River Forecast Centers
30%
Level
70%
Action
Minor Flood
Moderate Flood
Major Flood
= less than 30% chance of reaching Action level
 
= no critical levels defined for this point