Severe
Significant threat to life or property
Severe Tropical Storm Warning | Effective 06/16/2026 20:31
* WHAT...Winds up to 35 kt with gusts potentially over 40 kt and
seas 6 to 11 ft.
* 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...Through Wednesday Night.
* IMPACTS...Tropical storm force winds and hazardous seas could
capsize or damage vessels and reduce visibility.
Mariners should alter plans to avoid these hazardous conditions.
Severe Tropical Storm Watch | Effective 06/16/2026 20:31
* WHAT...The potential for winds up to 35 knots with gusts over 40
knots, rough bay waters, and seas 5 to 8 ft.
* WHERE...Galveston Bay and Coastal waters from Freeport to
Matagorda Ship Channel TX out 20 NM.
* WHEN...Through Wednesday Night.
* IMPACTS...Tropical storm force winds and hazardous seas could
capsize or damage vessels and reduce visibility.
Mariners should consider altering plans to avoid possible
hazardous conditions. Remain in port, seek safe harbor, alter
Severe Tropical Storm Warning | Effective 06/16/2026 20:34
* WHAT...South winds 25 to 35 kt with gusts up to 40 kt and seas
6 to 11 ft.
* WHERE...Portions of and the coastal lakes and bays of the Gulf
of America.
* WHEN...Tropical Storm force winds possible from early
Wednesday afternoon until Wednesday 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.
Remain in port, seek safe harbor, alter course, and/or secure the
Louisiana, Mississippi Severe Flood Watch | Effective 06/16/2026 20:38
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...Portions of southeast Louisiana, including the following
parishes, Assumption, Central Jefferson, Central Plaquemines,
Central St. Charles, Central Tangipahoa, East Baton Rouge, East
Feliciana, Eastern Ascension, Eastern Orleans, Iberville, Lower St.
Charles, Lower Tangipahoa, Northern Livingston, Northern St.
Tammany, Northern Tangipahoa, Pointe Coupee, Southeast St. Tammany,
Nebraska Severe Red Flag Warning | Effective 06/16/2026 20:41
The National Weather Service in North Platte has issued a Red
Flag Warning for low relative humidity and gusty winds, which is
in effect from noon CDT /11 AM MDT/ to 9 PM CDT /8 PM MDT/
Wednesday. The Fire Weather Watch is no longer in effect.
* AFFECTED AREA...Fire Weather Zone 204 Eastern
Panhandle/Crescent Lake NWR, Fire Weather Zone 206
Sandhills/Valentine NWR/Nebraska National Forest, Fire Weather
Zone 208 Niobrara Valley/Fort Niobrara NWR/Samuel R McKelvie
Louisiana Severe Flood Warning | Effective 06/16/2026 20:41
...The Flood Warning is extended for the following rivers in
Louisiana...
Tangipahoa River Near Robert affecting Tangipahoa Parish.
Bogue Falaya River At Boston St in Covington affecting St. Tammany
Parish.
.Potential Tropical Cyclone 1 will bring more heavy rainfall
Wednesday evening into Thursday. Additional rises are possible for
all area rivers. Continue to closely monitor the forecasts for
changes to crest.
For the Tangipahoa River...including Robert...Minor flooding is
forecast.
Louisiana Severe Flood Warning | Effective 06/16/2026 20:41
...The Flood Warning is extended for the following rivers in
Louisiana...
Tangipahoa River Near Robert affecting Tangipahoa Parish.
Bogue Falaya River At Boston St in Covington affecting St. Tammany
Parish.
.Potential Tropical Cyclone 1 will bring more heavy rainfall
Wednesday evening into Thursday. Additional rises are possible for
all area rivers. Continue to closely monitor the forecasts for
changes to crest.
For the Tangipahoa River...including Robert...Minor flooding is
forecast.
Texas Severe Coastal Flood Warning | Effective 06/16/2026 20:42
* WHAT...Coastal flooding expected.
* WHERE...Bolivar Peninsula.
* WHEN...From 7 PM this evening to 7 PM CDT Wednesday.
* IMPACTS...Numerous roads may be closed. Low lying property
including homes, businesses, and some critical infrastructure
could be inundated. Some shoreline erosion will occur.
* ADDITIONAL DETAILS...The best chance of coastal flooding will
occur late overnight tonight into Wednesday morning and
afternoon.
Take the necessary actions to protect flood-prone property. If
Illinois, Missouri Severe Flood Warning | Effective 06/16/2026 20:21
...The Flood Warning continues for the following rivers in
Illinois...Missouri...
Mississippi River at Cape Girardeau affecting Union, Cape
Girardeau, Jackson, Perry, Scott and Alexander Counties.
For the Mississippi River...including Cape Girardeau, Thebes,
Hickman, New Madrid...Minor flooding is forecast.
* WHAT...Minor flooding is forecast.
* WHERE...Mississippi River at Cape Girardeau.
* WHEN...From Thursday morning to late Saturday morning.
* IMPACTS...At 32.0 feet, Minor flooding occurs. The Mississippi