Excessive Heat in Southern California; Tropical Storm Ian Expected to Rapidly Intensify
Excessive heat is possible through Wednesday over southern California. Strong thunderstorms may pose some risk for severe weather across parts of the upper Ohio Valley into the northern Mid Atlantic coast. Tropical Storm Ian is forecast to approach the Florida peninsula at major hurricane strength by midweek, and poses a risk of dangerous storm surge, hurricane-force winds, and heavy rainfall.
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| NWS Forecast for: Winthrop Harbor to Wilmette Harbor IL (LMZ740) Issued by: National Weather Service Chicago, IL Last Update: 347 AM CDT Sun Sep 25 2022 |  |
Today: Northwest winds 15 to 20 kt increasing to 30 kt. Chance of showers in the morning, then chance of showers and slight chance of thunderstorms in the afternoon. Waves 2 to 4 ft. Tonight: Northwest winds to 30 kt. Slight chance of showers and thunderstorms in the evening. Waves 2 to 4 ft. Monday: Northwest winds to 30 kt diminishing to 20 to 25 kt. Mostly sunny. Waves 3 to 5 ft. Monday Night: Northwest winds 15 to 25 kt diminishing to 15 to 20 kt. Partly cloudy. Waves 3 to 5 ft. | |
| Zone Forecast: Winthrop Harbor to Wilmette Harbor IL (LMZ740) | |
Visit your local NWS office at: https://www.weather.gov/lot |