Severe storms possible in Plains, Mid-Mississippi Valley
Severe thunderstorms will be possible Wednesday afternoon and evening across portions of the Central Plains and Mid-Mississippi River Valley. Large hail and damaging wind will be the main threats.
Marine Zone Forecast
WAVES ARE PROVIDED AS A RANGE OF SIGNIFICANT WAVE HEIGHTS...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES...ALONG WITH THE AVERAGE HEIGHT OF THE HIGHEST 10 PERCENT OF THE WAVES WHICH WILL OCCASIONALLY BE ENCOUNTERED.
Synopsis: BROAD...WEAK HIGH PRESSURE OF 30.0 INCHES OVER THE NORTHERN AND CENTRAL PLAINS WILL SPREAD ACROSS THE LAKES REGION TODAY. LOW PRESSURE OF 29.7 INCHES WILL MOVE NORTHEAST FROM THE MISSOURI VALLEY AND INTO THE OHIO VALLEY LATER THIS WEEK. A SECONDARY LOW WILL MOVE OUT THE UPPER MIDWEST AND CROSS THE LAKE FRIDAY NIGHT OR SATURDAY MORNING AT 29.8 INCHES.
Variable winds 5 to 10 kt becoming northeast 10 to 15 kt this afternoon. Waves 1 to 2 ft.
Northeast winds 10 to 15 kt becoming east. Waves 1 to 2 ft.
East winds around 10 kt becoming northeast. Waves 1 to 2 ft.
Northeast winds around 10 kt becoming southeast. Waves 1 to 2 ft.
South winds 10 to 20 kt becoming southeast. Chance of showers and thunderstorms in the afternoon. Waves 1 to 3 ft.
Southeast winds 10 to 20 kt becoming south. Waves 1 to 3 ft.
Southwest winds 5 to 10 kt becoming south. Waves 1 to 2 ft.
South winds 10 to 15 kt becoming southeast 5 to 10 kt. Chance of showers and thunderstorms. Waves 1 ft or less.