
Severe Thunderstorm and Tropical Storm Bertha Impacts
Numerous severe thunderstorms are expected across a broad region from the Ohio Valley to the Mid-Atlantic and Northeast States today into tonight. Swaths of damaging wind gusts are expected and some tornadoes are possible. Bertha is expected to bring tropical storm conditions to portions of the Gulf Coast from the Florida Panhandle westward to southeastern Louisiana later today and Wednesday. Read More >
| NWS Forecast for: Atchafalaya and East Cote Blanche Bays (GMZ436) Issued by: National Weather Service Lake Charles, LA Last Update: 438 PM CDT Tue Jul 21 2026 | |
Tonight: West winds 10 to 15 knots. Bay waters choppy. Showers likely with a chance of thunderstorms this evening, then a chance of showers and thunderstorms after midnight. Wednesday: Northwest winds 10 to 15 knots with gusts up to 20 knots. Bay waters choppy. A chance of showers and thunderstorms in the afternoon. Wednesday Night: Tropical storm conditions possible. Northwest winds 15 to 20 knots, becoming east after midnight. Bay waters rough. A chance of showers and thunderstorms. Thursday: South winds 15 to 20 knots with gusts up to 25 knots. Bay waters rough. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. Thursday Night: South winds 5 to 10 knots. Bay waters light chop. Showers and thunderstorms likely, mainly in the evening. Friday: South winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms. Friday Night: South winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms early in the evening. A slight chance of showers and thunderstorms after midnight. Saturday: Southwest winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms. Saturday Night: Southwest winds 5 to 10 knots. Bay waters light chop. Sunday: Southwest winds 5 to 10 knots. Bay waters light chop. Sunday Night: Southwest winds 5 to 10 knots. Bay waters light chop. winds and waves higher in and near thunderstorms. | |
| Zone Forecast: Atchafalaya and East Cote Blanche Bays (GMZ436) | |
Visit your local NWS office at: https://www.weather.gov/lch |