Moderate

* WHAT...Temperatures up to 95 expected. * WHERE...Beaverhead - Lemhi Highlands, Big Hole Mountains, Teton Valley, Bear Lake Valley, and Blackfoot Mountains. * WHEN...From noon today to 10 PM MDT this evening. * 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.

Areas of fog occasionally reducing visibility to around one- quarter mile will continue to develop thru sunrise across northeast North Dakota and northwest Minnesota. Patchy fog may also form in other locations. Travelers should be prepared for rapidly deteriorating visibility, and to use extra caution at intersections, railroad crossings, and school bus stops. The fog is expected to improve by mid morning.

At 249 AM CDT, Doppler radar was tracking a strong thunderstorm near Vardaman, or 10 miles northwest of Houston, moving southeast at 20 mph. HAZARD...Winds in excess of 30 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... Tupelo, Amory, Pontotoc, Aberdeen, Houston, Verona, Okolona, Trace State Park, Bruce, Calhoun City, Shannon, Vardaman, Plantersville,

Patchy dense fog has developed across the area, especially along the Hudson River Valley and in many narrow or sheltered higher terrain valleys. The fog will reduce visibility to a half mile or less, so drivers are urged to use caution this morning and be prepared for rapidly changing visibility. The fog is expected to dissipate by around 9 AM.

At 252 AM CDT, Doppler radar indicated a strong thunderstorm 3 miles east of Sapulpa, moving south at 35 mph. HAZARD...Wind gusts up to 50 mph and nickel size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down small tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations in or near the path include... Tulsa... Bixby... Sapulpa... Jenks... Glenpool... Kiefer...

At 254 AM CDT, Doppler radar was tracking a strong thunderstorm over Le Roy, or 21 miles northwest of Cresco, moving east at 40 mph. HAZARD...Wind gusts of 50 to 55 mph and nickel 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. This strong thunderstorm will be near... Lime Springs around 305 AM CDT. Other locations impacted by this storm include Lake Louise State

* WHAT...Dangerous swimming conditions are due to high wave action and strong rip currents. * WHERE...Southern Schoolcraft County. * WHEN...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: For Southern Schoolcraft County: Near Lakeview Park and Seul

At 232 AM CDT, Doppler radar was tracking a strong thunderstorm near Stacyville, or 15 miles north of Osage, moving east at 35 mph. HAZARD...Wind gusts up to 50 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. This strong thunderstorm will be near... Le Roy around 250 AM CDT. Other locations impacted by this storm include Meyer, Toeterville,

At 342 AM EDT, Doppler radar was tracking a strong thunderstorm 12 miles north of Robbinsville, or 4 miles northwest of Fontana Lake, moving east at 15 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 outdoor objects is possible. Locations impacted include... Fontana Lake, Fontana Village, Twentymile Creek, Kuwohi, Deep Creek, and Great Smoky Mountains National Park.

At 219 AM CDT, Doppler radar indicated a strong thunderstorm 7 miles west of Sperry, moving south at 20 mph. HAZARD...Wind gusts up to 40 mph and nickel size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down small tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations in or near the path include... Tulsa... Sand Springs... If outdoors, consider seeking shelter inside a building.