Severe

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING DUE TO GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR SOUTHERN BLACK HILLS, FALL RIVER COUNTY AREA, CUSTER COUNTY PLAINS, PINE RIDGE AREA, BADLANDS AREA, BENNETT COUNTY AREA, SOUTHERN CAMPBELL, AND WESTON COUNTY PLAINS... .A cold front moved through early this morning. Behind the cold front, strong northwest winds from 25 to 35 mph with gusts up to 55 mph have been reported. Minimum relative humidity values will dip as

* WHAT...For the Heat Advisory, temperatures up to 106. For the Extreme Heat Warning, dangerously hot conditions with temperatures up to 112 expected. Temperatures up to 115 can be expected along the Rio Grande. * WHERE...Lower Brewster, Terrell, Glasscock, Howard, Mitchell, and Reagan Counties. * WHEN...For the Heat Advisory, until 10 PM CDT this evening. For the Extreme Heat Warning, from noon to 10 PM CDT Thursday. * IMPACTS...Heat related illnesses increase significantly during

* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...The following counties, in Indiana, Dearborn, Fayette, Franklin, Ohio, Ripley, Switzerland and Union, the following counties, in northern Kentucky, Boone, Bracken, Campbell, Carroll, Gallatin, Grant, Kenton, Mason, Owen, Pendleton and Robertson, and the following counties, in Ohio, Adams, Brown, Butler, Clermont and Hamilton. * WHEN...From 10 PM EDT this evening through Thursday morning.

At 1202 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. Flash flooding is ongoing, with 3 to 5 inches of water on many of the back roads between Colchester and Adair. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.

* 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 National Forest, Fire Weather Zone 209 Loup Rivers Basin, Fire Weather Zone 210 Frenchman Basin and Fire Weather Zone 219 Loess Plains. * TIMING...Noon through 9 PM CDT this evening. * WINDS...Northwest 20 to 30 mph with gusts between 45 and 50 mph. * RELATIVE HUMIDITY...As low as 16 percent.

* AFFECTED AREA...Fire Weather Zones 211, 212, 213, 214, 217 and 218. * TIMING...Until 8 PM MDT this evening. * WINDS...West 20 to 30 mph with gusts up to 50 mph, strongest over the mountains. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire. A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of

At 1211 PM CDT, a severe thunderstorm was located near Chipley, moving northeast at 30 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Chipley, Graceville, Bonifay, Cottondale, Campbellton, Richter Crossroads, Brock Crossroad, Jacob City, Chipley Municipal Airport, Holmes County Airport, Jacobs, Browntown, Bahoma, Poplar Head, Ellaville, and Johnson Crossroads.

...The Flood Warning continues for the following rivers in Illinois... Illinois River at La Salle affecting Bureau, Putnam and La Salle Counties. For the Illinois River (Upper)...including La Salle...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River from Starved Rock Lock and Dam downstream to confluence with Big Bureau Creek, including the La Salle gauge. * WHEN...Until further notice. * IMPACTS...At 22.0 feet, Lower parking lot at Starved Rock State

* 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,

SVRTAE The National Weather Service in Tallahassee has issued a * Severe Thunderstorm Warning for... Northwestern Jackson County in the Panhandle of Florida... Southeastern Holmes County in the Panhandle of Florida... Northeastern Washington County in the Panhandle of Florida... * Until 1245 PM CDT. * At 1154 AM CDT, a severe thunderstorm was located over Bonifay, moving northeast at 30 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include...