Future

* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...A portion of central South Carolina, including the following areas, Bamberg, Calhoun, Central Orangeburg, Clarendon, Lexington, Northwestern Orangeburg, Richland, Southeastern Orangeburg and Sumter. * WHEN...From noon EDT today through late tonight. * IMPACTS...Excessive runoff may result in flooding of creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS...

* WHAT...Dangerously hot conditions with heat index values up to 110 possible. * WHERE...Portions of south central, southwest, and west central Illinois and central, east central, northeast, and southeast Missouri. * WHEN...From Sunday morning through Tuesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

* WHAT...Heat index values of 100 to 110 expected. * WHERE...Portions of southeast Kansas and central, east central, south central, southwest, and west central Missouri. * WHEN...From Saturday afternoon through Tuesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

The flooding threat has ended. Therefore, the Flood Watch will expire at midnight MDT tonight.

* WHAT...Dangerously hot conditions with heat index values up to 110 possible. * WHERE...Portions of east central and northeast Kansas and central, north central, northeast, northwest, and west central Missouri. * WHEN...From Saturday afternoon through Tuesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

...RED FLAG WARNING FOR THUNDERSTORMS THURSDAY, RED FLAG WARNING FOR WIND AND LOW HUMIDITY FRIDAY, AND FIRE WEATHER WATCH FOR WIND AND LOW HUMIDITY SATURDAY... First, a ridge breakdown will continue to bring a threat for thunderstorms across portions of North-Central Washington into late Thursday night. Then, drier and windier weather arrives Friday and Saturday with critical fire weather conditions likely. * Lightning: 15 to 30 percent chance of thunderstorms through 2 AM

...RED FLAG WARNING FOR THUNDERSTORMS THURSDAY, RED FLAG WARNING FOR WIND AND LOW HUMIDITY FRIDAY, AND FIRE WEATHER WATCH FOR WIND AND LOW HUMIDITY SATURDAY... First, a ridge breakdown will continue to bring a threat for thunderstorms across portions of North-Central Washington into late Thursday night. Then, drier and windier weather arrives Friday and Saturday with critical fire weather conditions likely. * Affected Area: Western Columbia Basin (Zone 707). * Winds: Southwest 15 to 30 mph with gusts up to 45 mph.

...RED FLAG WARNING FOR THUNDERSTORMS THURSDAY, RED FLAG WARNING FOR WIND AND LOW HUMIDITY FRIDAY, AND FIRE WEATHER WATCH FOR WIND AND LOW HUMIDITY SATURDAY... First, a ridge breakdown will continue to bring a threat for thunderstorms across portions of North-Central Washington into late Thursday night. Then, drier and windier weather arrives Friday and Saturday with critical fire weather conditions likely. * Affected Area: Waterville Plateau (Zone 706). * Winds: Friday winds - Southwest 10 to 20 mph with gusts up to 25

...RED FLAG WARNING FOR THUNDERSTORMS THURSDAY, RED FLAG WARNING FOR WIND AND LOW HUMIDITY FRIDAY, AND FIRE WEATHER WATCH FOR WIND AND LOW HUMIDITY SATURDAY... First, a ridge breakdown will continue to bring a threat for thunderstorms across portions of North-Central Washington into late Thursday night. Then, drier and windier weather arrives Friday and Saturday with critical fire weather conditions likely. The National Weather Service in Spokane has cancelled the Red

...RED FLAG WARNING FOR THUNDERSTORMS THURSDAY, RED FLAG WARNING FOR WIND AND LOW HUMIDITY FRIDAY, AND FIRE WEATHER WATCH FOR WIND AND LOW HUMIDITY SATURDAY... First, a ridge breakdown will continue to bring a threat for thunderstorms across portions of North-Central Washington into late Thursday night. Then, drier and windier weather arrives Friday and Saturday with critical fire weather conditions likely. * Affected Area: Okanogan Valley (Zone 703). * Lightning: 15 to 30 percent chance of thunderstorms through 2 AM