Severe thunderstorms and heavy rain possible today across portions of the central plains and Midwest. Warming trend in the Pacific Northwest.

Numerous showers and thunderstorms are expected this afternoon and evening across the central Plains into portions of the Midwest. Severe thunderstorms are possible, along with heavy rain that may lead to flash flooding in some areas. The Pacific Northwest will see a steady warming trend through the week. Temperatures will rise to 10 to 15 degrees above average by Wednesday and Thursday.
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Hazardous Weather Conditions

Last Update: 244 AM CDT WED AUG 24 2016

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Northern Indiana Local Forecast Office

10NM WSW Saint Joseph MI

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: HIGH PRESSURE AROUND 30.3 INCHES CENTERED OVER THE MID ATLANTIC COAST WILL CONTINUE TO VERY SLOWLY SLIDE EAST OFF THE COAST WHILE RIDGING EXTENDS SOUTHWEST THROUGH THE LOWER MISSISSIPPI VALLEY. MEANWHILE...LOW PRESSURE OF 29.5 INCHES OVER SOUTHERN MANITOBA WILL GRADUALLY TRACK TO WESTERN QUEBEC BY THURSDAY MORNING. AN ASSOCIATED COLD FRONT WILL THEN SWEEP ACROSS LAKE MICHIGAN WEDNESDAY NIGHT. ANOTHER HIGH AROUND 30.2 INCHES IS THEN FORECAST TO BUILD OVER THE WESTERN LAKES REGION BY FRIDAY EVENING.

Today
South winds 20 to 25 kt becoming southwest. Showers and thunderstorms likely this morning...then chance of showers and thunderstorms this afternoon. Waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft occasionally to 7 ft.
Tonight
Southwest winds 10 to 20 kt becoming west 5 to 10 kt overnight. Showers and thunderstorms likely in the evening...then chance of showers and thunderstorms overnight. Waves subsiding to 1 to 3 ft.
Thursday
West winds 10 to 15 kt diminishing to 5 to 10 kt. Chance of showers and thunderstorms. Waves 1 to 2 ft.
Thursday Night
West winds 10 to 20 kt becoming northwest 15 to 25 kt. Waves 1 to 3 ft building to 2 to 4 ft.
Friday
Northwest winds 10 to 20 kt diminishing to 10 to 15 kt. Waves 2 to 4 ft subsiding to 1 to 3 ft.
Friday Night
Northeast winds 5 to 10 kt becoming east. Waves 1 to 2 ft.
Saturday
Southeast winds 10 to 15 kt. Waves 1 to 2 ft.
Sunday
Southwest winds 10 to 15 kt. Chance of showers and thunderstorms. Waves 1 to 2 ft.
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ABOUT THIS FORECAST

Last Update: 244 AM CDT WED AUG 24 2016
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