Heat Wave Persists Over the Central U.S.; Significant Flooding Expected in the Northern Mid-Atlantic Tuesday

Dangerous and extreme heat will remain across portions of the Central U.S. this week, persisting across the Mid to Lower Mississippi Valleys, Gulf Coast, Southern Plains and portions of Texas. A heat wave over the Southwest will intensify late this week. Severe thunderstorms and flash flooding will spread from the Great Lakes/Ohio Valley to the Mid-Atlantic and Northeast the next few days. Read More >

Last Update: 742 AM CDT Tue Jul 28 2026

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Duluth, MN Local Forecast Office

21NM NNE Ashland WI

Marine Zone Forecast

Today
Variable winds 10 knots or less becoming east 5 knots in the afternoon. Areas of fog early in the morning. Waves 1 foot or less.
Tonight
East wind 5 knots early in the evening becoming variable 10 knots or less. Partly cloudy. Waves 1 foot or less.
Wednesday
Variable winds 10 knots or less becoming east 5 knots in the afternoon. Mostly sunny. Waves 1 foot or less.
Wednesday Night
East wind 5 knots early in the evening becoming variable 10 knots or less. Partly cloudy. Waves 1 foot or less.



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742 AM CDT Tue Jul 28 2026
 
 

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