Moderate

Patchy dense fog has begun to develop across parts of the North Carolina mountains and foothills, primarily in mountain valleys and other sheltered areas. Visibility as low as 1/4 mile is possible. Visibility may drop suddenly and over short distances. Issues are expected to continue the remainder of tonight, improving quickly once the sun rises. If driving this morning, exercise caution. Increase your following distance, slow down in foggy areas, and turn on your low-beam headlights.

At 436 AM EDT, strong thunderstorms were located along a line extending from near Washington Court House to near Leesburg, moving east at 35 mph. HAZARD...Wind gusts up to 40 mph and very heavy rain. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Visibility will be poor and hydroplaning is possible. Locations impacted include... Washington Court House, Greenfield, Leesburg, Bainbridge, Staunton,

At 341 AM CDT, Doppler radar was tracking a strong thunderstorm 4 miles north of Barnes, moving northeast at 50 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down small tree limbs and blow around unsecured objects. Locations impacted include... Marysville, Washington, Hanover, Greenleaf, Barnes, Summerfield, Oketo, and Bremen. If outdoors, consider seeking shelter inside a building.

* WHAT...Heat index values up to 109. * WHERE...Portions of south central Indiana and east central, north central, northwest, and south central Kentucky. * WHEN...Until 9 PM EDT /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.

Locally heavy rain of a half inch to up to two inches has fallen over the last two hours in some locations. Even with the heaviest of the rain moving out of the area, localized high water is possible over the next hour or so in the typical low-lying trouble areas, with any high water receding thereafter. Do not drive your vehicle into areas where water covers the roadway. The water depth may be too great to allow your car to cross safely.

* WHAT...Life-threatening rip currents. * WHERE...Exposed beaches of northern, eastern, and southern Puerto Rico, Vieques, Culebra, and the U.S. Virgin Islands. * WHEN...Through late tonight. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water, where it becomes difficult to return to safety. There is a high risk of rip currents. Rip currents are powerful channels of water flowing quickly away from shore, which occur most often at low spots or breaks in the

* WHAT...Dangerous swimming conditions are expected due to high wave action and strong rip currents. * WHERE...Marquette and Alger Counties. * WHEN...From noon EDT today through this evening. * IMPACTS...High wave action and dangerous currents will lead to life threatening swimming conditions. Waves in rapid succession can tire swimmers quickly. * ADDITIONAL DETAILS...Current related fatalities and rescues in the past have occurred due to similar wave conditions at locations listed below:

At 231 AM CDT, Doppler radar was tracking a line of strong thunderstorms centered 4 miles east of Ada, moving east at 50 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down small tree limbs and blow around unsecured objects. Locations impacted include... Minneapolis, Bennington, Miltonvale, Glasco, Delphos, Tescott, Culver, Wells, Aurora, and Ada. If outdoors, consider seeking shelter inside a building.

An unsettled monsoon pattern, associated with Invest 92W continues to intensify across eastern Micronesia. Invest 92W is now rated low by the Joint Typhoon Warning Center, which means development into a significant tropical cyclone is possible, but not likely within the next 24 hours. The latest ASCAT pass does show a Low- Level Circulation Center with near gale winds to the east of the center, north of Pohnpei. A relative lull remains in place across

* WHAT...Heat index values up to 110. * WHERE...Portions of southeast Arkansas, northeast Louisiana, and much of Mississippi. * WHEN...Until 8 PM CDT Monday. * IMPACTS...High temperatures and high humidity may cause heat related illnesses. * ADDITIONAL DETAILS...Overnight low temperatures are expected to range from the mid to upper 70s through the same time frame. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.