Moderate

* WHAT...Heat index values up to 105 expected. * WHERE...Portions of southern Illinois, western Kentucky, and southeast Missouri. * WHEN...Until 8 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 up to 95. * WHERE...In Minnesota, Crow Wing, Aitkin, Pine, Koochiching, Cass, Itasca, and North St. Louis Counties. In Wisconsin, Burnett, Sawyer, and Washburn Counties. This includes the Tribal Lands of the Lac Courte Oreilles Reservation, the St. Croix Band in Burnett County, the Mille Lacs Band, Hinckley, Lena Lake, Big Sandy Lake and, East Lake areas and the Bois Forte Band, Nett Lake and, Deer Creek areas. Other locations including Voyageurs National Park.

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...In Minnesota, Carlton and South St. Louis, Southern Cook and Southern Lake Counties. In Wisconsin, Douglas County. This includes the Tribal Lands of the Grand Portage Reservation and the Fond du Lac Band. * WHEN...From 10 PM this evening to 7 AM CDT Wednesday. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...The densest fog is expected closest to Lake Superior.

* WHAT...Dangerous rip currents. * WHERE...Kings (Brooklyn), Southwest Suffolk, Southern Queens and Southern Nassau Counties. * WHEN...Until 9 PM EDT this evening. * IMPACTS...Life-threatening rip currents are likely for all people entering the surf zone. Anyone visiting the beaches should stay out of the surf. Rip currents can sweep even the best swimmers away from shore into deeper water. If you enter the surf zone, always have a flotation device with

* WHAT...Visibility between one-quarter and one mile in blowing dust. * WHERE...San Luis Valley. * WHEN...Until 7 PM MDT this evening. * IMPACTS...Hazardous driving conditions due to reduced visibility. Persons with respiratory problems should make preparations to stay indoors until the storm passes. Be ready for a sudden drop in visibility to near zero. If you encounter blowing dust or blowing sand on the roadway or see it approaching, pull off the road as far

* WHAT...Heat index values up to 100 expected. * WHERE...Portions of northeast New Jersey and southeast New York. * WHEN...From noon to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...The advisory may need to be extended into Friday, however, there is some uncertainty due to the potential for a cooler easterly flow. A Heat Advisory is issued when the combination of heat and humidity is expected to make it feel like it is 95 to 99 degrees for two or

* WHAT...Heat index values up to 100 expected. * WHERE...In Connecticut, Northern Fairfield, Northern Middlesex, Northern New Haven, Southern Fairfield, and Southern New Haven Counties. In New York, Northern Nassau, Northwest Suffolk, Southern Nassau, and Southwest Suffolk Counties. * WHEN...From noon to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...The advisory may need to be extended into Friday, however, there is some uncertainty due to the potential

* WHAT...Heat index values up to 100 expected. * WHERE...Bronx, Kings (Brooklyn), New York (Manhattan), Northern Queens, Richmond (Staten Island), and Southern Queens Counties. * WHEN...From noon to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...The advisory may need to be extended into Friday, however, there is some uncertainty due to the potential for a cooler easterly flow. New York City residents should call 3 1 1 to identify cooling center

At 243 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from near Tuppers Plains to near Sandyville to 9 miles southwest of Spencer. Movement was northeast at 25 mph. HAZARD...Wind gusts of 30 to 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Parkersburg, Belpre, Spencer, Elizabeth, Coolville, Sandyville, Mineralwells, Tuppers Plains, and Little Hocking. This includes the following highways...

* WHAT...Temperatures up to 100 to 105 expected, with widespread Moderate HeatRisk and areas of Major HeatRisk on Friday and Saturday. * WHERE...The northern and central Sacramento Valley and adjacent foothills. * WHEN...From 11 AM Thursday to 11 PM PDT Saturday. * IMPACTS...Hot temperatures may cause heat illnesses, especially in those more sensitive to heat. * ADDITIONAL DETAILS...Hot daytime temperatures will occur in other Valley locations as well, though Delta influence will better