Moderate

At 531 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Jump River to 9 miles southeast of Sheldon to near Stanley. Movement was northeast at 70 mph. HAZARD...Wind gusts up to 40 mph and half inch hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Strong thunderstorms will be near... Jump River around 535 AM CDT.

At 633 AM EDT, Doppler radar was tracking a strong thunderstorm over Hamlin, moving east at 40 mph. HAZARD...Wind gusts up to 40 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... Nitro, Hamlin, Jefferson, South Charleston, St. Albans, Dunbar, Alum Creek, Institute, Tornado, West Hamlin, Sweetland, Sod, Griffithsville, and Yawkey.

* WHAT...Heat index values up to 105 expected. * WHERE...Logan and Payne Counties. * WHEN...From 1 PM this afternoon to 7 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity 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...Heat index values of 105 to 108 expected. * WHERE...Portions of central, northern, northwest, and western Oklahoma. * WHEN...From 1 PM this afternoon to 7 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity 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...Sub-freezing temperatures of 27 to 32 expected. * WHERE...Northern and Eastern Klamath County and Western Lake County, including Chemult, Crescent, Sprague River, Bly, and Winter Rim. * WHEN...Until 8 AM PDT this morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Take steps now to protect tender plants from the cold.

* WHAT...Visibility one quarter to one quarter mile in dense fog. * WHERE...Langlade, Florence, Forest, Menominee, and Shawano Counties. * 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...Visibility one quarter mile or less in dense fog. * WHERE...Manitowoc, Door, Kewaunee, Northern Marinette County, Northern Oconto County, Southern Marinette County, and Southern Oconto counties. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...The lowest visibility will be closer to the bay and lake. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

* WHAT...High temperatures up to 105 expected. * WHERE...A portion of central California. * WHEN...From 11 AM Thursday to 11 PM PDT Saturday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...-Moderate Heat Risk Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

* WHAT...West winds 20 to 30 mph with gusts up to 45 mph. * WHERE...Fort Peck Lake. * WHEN...Until 9 PM MDT Thursday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. * ADDITIONAL DETAILS...Waves up to 6 feet are expected on Fort Peck Lake today, tonight, and Thursday. Boaters on Fort Peck Lake should use extra caution since strong winds and rough waves can overturn small craft.

At 607 AM EDT, Doppler radar was tracking a strong thunderstorm near Ona, or 10 miles northeast of Proctorville, moving east at 40 mph. HAZARD...Wind gusts up to 40 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... Nitro, Winfield, Hurricane, Barboursville, Milton, Eleanor, Buffalo, Ona, Culloden, Teays Valley, Bancroft, Crown City, Green Bottom,