Expected

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Western Franklin County in central Ohio... Northeastern Madison County in central Ohio... Eastern Pickaway County in central Ohio... Southeastern Union County in central Ohio... * WHEN...Until 745 AM EDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 442 AM EDT, radar and automated rain gauges indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected

* WHAT...Dangerous rip currents expected. * WHERE...Gulf County Beaches. * WHEN...Through late tonight. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...Westerly winds and swell today will favor the west-facing beach of Gulf County for a High Risk of Rip Currents. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Southwestern Cass County in southeastern Nebraska... Eastern Lancaster County in southeastern Nebraska... Northwestern Otoe County in southeastern Nebraska... * WHEN...Until 700 AM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Water over roadways. * ADDITIONAL DETAILS... - At 343 AM CDT, Doppler radar and automated rain gauges indicated heavy rain due to thunderstorms. Minor flooding is ongoing or

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of northwest Minnesota and northeast North Dakota. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

* WHAT...Dangerously hot conditions with temperatures 101 to 106 in Santa Cruz and Cochise Counties and 107 to 112 elsewhere. Major to Extreme HeatRisk is expected. * WHERE...Eastern Cochise County below 5000 feet, South Central Pinal County, Southeast Pinal County, Tohono O'odham Nation, Tucson Metro Area, Upper Gila River Valley, Upper San Pedro River Valley, Upper Santa Cruz River Valley/Altar Valley, and Western Pima County. * WHEN...From 10 AM Thursday to 8 PM MST Sunday.

* WHAT...Dangerously hot conditions with highs 110 to 120 degrees across the Mojave Desert. Highs 100 to 110 degrees across most of the southern Great Basin and Arizona Strip. Little to no overnight relief is expected, particularly in the Mojave Desert where lows of 80 to 95 degrees are forecast. This will result in major to extreme heat risk. * WHERE...Portions of northwest Arizona, southeast California, and south central and southern Nevada. * WHEN...From 10 AM PDT / MST Thursday to 8 PM PDT / MST Sunday.

* WHAT...Hot conditions expected with highs 80 to 90 degrees above 8000 feet and 90 to 105 degrees below 8000 feet. This will result in moderate heat risk. * WHERE...In California, Eastern Sierra Slopes and White Mountains of Inyo County. In Nevada, Sheep Range and Spring Mountains-Red Rock Canyon. * WHEN...From 10 AM Thursday to 8 PM PDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

* WHAT...Strong currents and dangerous swimming conditions expected. * WHERE...Beaches of Chautauqua County. * WHEN...From 2 PM EDT this afternoon through Wednesday afternoon. * IMPACTS...Strong currents and dangerous swimming conditions. Stay out of the water to avoid dangerous swimming conditions.

* WHAT...Strong currents and dangerous swimming conditions expected. * WHERE...Beaches of Niagara and Orleans Counties. * WHEN...From this evening through Wednesday evening. * IMPACTS...Strong currents and dangerous swimming conditions. Stay out of the water to avoid dangerous swimming conditions.