Immediate

Responsive action SHOULD be taken immediately

Severe Tropical Storm Warning | Effective 06/17/2026 09:44

* WHAT...South winds 35 to 45 knots with gusts to 60 knots this afternoon becoming southwest and decreasing to 20 to 30 knots by this evening. Seas 5 to 9 ft, subsiding to 4 to 7 ft tonight. * WHERE...Coastal waters from High Island to Freeport TX out 20 NM, Waters from Freeport to Matagorda Ship Channel TX from 20 to 60 NM and Waters from High Island to Freeport TX from 20 to 60 NM. * WHEN...This afternoon and evening. * IMPACTS...Tropical storm force winds and hazardous seas will

Severe Tropical Storm Warning | Effective 06/17/2026 09:44

* WHAT...South winds 20 to 30 knots upper bay, and 30 to 40 knots with gusts to 50 knots lower bay. Winds and bay waters will be highest in the southern part of the bay. Winds will subside to 15 to 20 knots late afternoon. * WHERE...Galveston Bay. * WHEN...This afternoon and evening. * IMPACTS...Tropical storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. Mariners should alter plans to avoid these hazardous conditions.

Louisiana Severe Flood Warning | Effective 06/17/2026 09:00

...The Flood Warning is extended for the following rivers in Louisiana... Tickfaw River at Liverpool affecting St. Helena Parish. .The river forecast includes 48 hours of forecasted rainfall. These river forecasts could change based on how Potential Tropical Cyclone 1 tracks across Louisiana and Mississippi late tonight and Thursday. Interests along the rivers should monitor the forecast closely and be prepared for higher flooding. For the Tickfaw River...including Liverpool, Holden, Killian,

Illinois Severe Flood Warning | Effective 06/17/2026 09:01

...The Flood Warning continues for the following rivers in Illinois... Illinois River at Peoria affecting Tazewell, Woodford and Peoria Counties. Illinois River near Havana affecting Mason, Cass and Fulton Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River at Peoria. * WHEN...Until further notice. * IMPACTS...At 22.7 feet, Flooding begins to low lying areas in

Illinois Severe Flood Warning | Effective 06/17/2026 09:01

...The Flood Warning continues for the following rivers in Illinois... Illinois River at Peoria affecting Tazewell, Woodford and Peoria Counties. Illinois River near Havana affecting Mason, Cass and Fulton Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Minor flooding is occurring and moderate flooding is forecast. * WHERE...Illinois River near Havana. * WHEN...Until further notice.

Louisiana Severe Flood Warning | Effective 06/17/2026 09:13

...The Flood Warning is extended for the following rivers in Louisiana... Bogue Falaya River At Camp Covington affecting St. Tammany Parish. .The river forecast includes 48 hours of forecasted rainfall. These river forecasts could change based on how Potential Tropical Cyclone 1 tracks across Louisiana and Mississippi late tonight and Thursday. Interests along the rivers should monitor the forecast closely and be prepared for higher flooding. For the Bogue Falaya...including Camp Covington, Boston St in

Iowa, Illinois Severe Flash Flood Warning | Effective 06/17/2026 08:50

At 1050 AM CDT, Emergency Management reported flash flooding near Ainsworth as well as in Muscatine this morning. Between 1 and 3 inches of rain have fallen so far and additional rainfall amounts of 0.5 to 1.5 inches are possible in the warned area in additional thunderstorms. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Emergency Management. IMPACT...Flash flooding of small creeks and streams, urban areas,

Illinois Severe Severe Thunderstorm Warning | Effective 06/17/2026 08:51

At 1051 AM CDT, severe thunderstorms were located along a line extending from De Land to near Decatur Airport, moving east at 40 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. These severe storms will be near... Monticello, Cerro Gordo, and De Land around 1055 AM CDT. Bement and White Heath around 1100 AM CDT. Hammond around 1105 AM CDT. Ivesdale around 1110 AM CDT. Atwood around 1115 AM CDT.

Louisiana Severe Flood Warning | Effective 06/17/2026 08:53

...The Flood Warning is extended for the following rivers in Louisiana... Comite River At Comite Joor Rd affecting East Baton Rouge Parish. Amite River At Denham Springs affecting Livingston and East Baton Rouge Parishes. .The river forecast includes 48 hours of forecasted rainfall. These river forecasts could change based on how Potential Tropical Cyclone 1 tracks across Louisiana and Mississippi late tonight and Thursday. Interests along the rivers should monitor the forecast closely and be prepared for higher flooding.

Louisiana Severe Flood Warning | Effective 06/17/2026 08:53

...The Flood Warning is extended for the following rivers in Louisiana... Comite River At Comite Joor Rd affecting East Baton Rouge Parish. Amite River At Denham Springs affecting Livingston and East Baton Rouge Parishes. .The river forecast includes 48 hours of forecasted rainfall. These river forecasts could change based on how Potential Tropical Cyclone 1 tracks across Louisiana and Mississippi late tonight and Thursday. Interests along the rivers should monitor the forecast closely and be prepared for higher flooding.
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