Expected

Patchy dense fog, reducing visibilities on area roadways, has developed and will persist through 8 AM EDT. If driving, slow down and leave extra distance ahead of you in case a sudden stop is needed.

At 325 AM CDT, Doppler radar indicated a strong thunderstorm 3 miles east of Nowata, moving northeast at 30 mph. HAZARD...Wind gusts up to 50 mph and penny size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down small tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations in or near the path include... Nowata... Delaware... Watova... Centralia... If outdoors, consider seeking shelter inside a building.

* WHAT...Urban area and small stream flooding caused by excessive rainfall continues. * WHERE...A portion of southeast Illinois, including the following counties, Clay, Effingham and Jasper. * WHEN...Until 900 AM CDT. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Streams continue to rise due to excess runoff from earlier rainfall. Expect many areas of slow moving or standing water. * ADDITIONAL DETAILS...

At 340 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Key Allegro to near Waldron Field. Movement was southeast at 40 mph. HAZARD...Wind gusts up to 50 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Corpus Christi, Portland, Rockport, Port Aransas, Lamar, Ingleside,

* WHAT...Dangerous rip currents. * WHERE...Aransas Islands, Kleberg Islands, Nueces Islands and Calhoun Islands Counties. * WHEN...Through Wednesday afternoon. * IMPACTS...Rip currents can sweep even the most experienced swimmers away from shore into deeper water. These rip currents can become life-threatening to anyone entering the surf. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a

Locally dense fog is expected to continue across the eastern U.P. and far northern lower Michigan this morning. Significant visibility reductions of 1/4 mile or less may lead to difficult driving conditions, so be sure to use low-beam headlights, reduce speed, and increase follow distance if driving this morning.

At 224 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from 7 miles northwest of Arcadia to near Girard to 7 miles north of Mccune. Movement was east at 80 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Pittsburg, Prairie State Park, Lamar, Frontenac, Girard, Arma, Liberal, Sheldon, Mulberry, Mindenmines, Franklin, Montevallo,

* WHAT...Heat index values up to 98 degrees expected. * WHERE...In Delaware, New Castle County. In New Jersey, Mercer, Camden, Gloucester, and Northwestern Burlington Counties. In Pennsylvania, Delaware, Eastern Chester, Eastern Montgomery, Lower Bucks, and Philadelphia Counties. * WHEN...Until 8 PM EDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Record setting high temperatures are quite possible through Wednesday, with maximum heat indices nearing 100

* WHAT...Heat index values up to 97 degrees expected. * WHERE...In New Jersey, Morris, Somerset, Warren, and Hunterdon Counties. In Pennsylvania, Berks, Lehigh, Northampton, Upper Bucks, Western Chester, and Western Montgomery Counties. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Record setting high temperatures are quite possible through today, with maximum heat indices of 95 to near

* WHAT...Heat index values up to 98 degrees expected. * WHERE...Western Monmouth, Middlesex, Ocean, and Southeastern Burlington Counties. * WHEN...Until 8 PM EDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Record setting high temperatures are quite possible through Wednesday, with maximum heat indices nearing 100 degrees during peak heating each afternoon. Given the intensity of this early season stretch of heat and humidity, we are not