Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65° N Lon: 96.68° W Elev: 27 ft.

Partly Cloudy

68°F

20°C

Humidity 100%
Wind Speed SE 6 mph
Barometer 30.01 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 31 Mar 6:15 am CDT
Detailed forecast for

Coastal Calhoun

Today
Mostly cloudy this morning, then partly cloudy with a slight chance of showers and thunderstorms this afternoon. Highs around 80. Southeast winds 10 to 15 mph, increasing to 15 to 20 mph this afternoon. Chance of rain 20 percent.
Tonight
Partly cloudy in the evening, then becoming mostly cloudy. Lows around 70. Southeast winds 10 to 15 mph.
Wednesday
Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly cloudy in the afternoon. Highs around 80. South winds 10 to 15 mph, increasing to southeast 15 to 20 mph in the afternoon. Chance of rain 30 percent.
Wednesday Night
Partly cloudy in the evening, then becoming mostly cloudy. Lows around 70. Southeast winds 15 to 20 mph.
Thursday
Mostly cloudy with a slight chance of thunderstorms. A chance of showers, mainly in the morning. Highs around 80. Southeast winds 15 to 20 mph. Chance of rain 30 percent.
Thursday Night
Mostly cloudy. Lows around 70.
Friday
Mostly cloudy. Highs around 80.
Friday Night
Mostly cloudy. Lows around 70.
Saturday
Mostly cloudy. A chance of showers in the afternoon. Highs around 80. Chance of rain 30 percent.
Saturday Night
Mostly cloudy. A chance of showers. Cooler with lows in the upper 50s. Chance of rain 50 percent.
Sunday
Cloudy with a 50 percent chance of showers. Cooler with highs in the upper 60s.
Sunday Night
Mostly cloudy with a 40 percent chance of showers. Lows in the mid 50s.
Monday
Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 70s.



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123 AM CDT Tue Mar 31 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database