Moderate

At 710 AM MDT, trained weather spotters reported strong thunderstorms along a line extending from 10 miles southeast of Power to near Geyser. Movement was northeast at 30 mph. HAZARD...Wind gusts up to 40 mph and a short period of heavy rainfall. SOURCE...Trained weather spotters. Wind gusts near 40 mph were reported at the Great Falls Airport, with rainfall up to a quarter of an inch in less than one hour. IMPACT...Gusty winds could knock down tree limbs and blow around

At 751 AM CDT, Doppler radar was tracking a strong thunderstorm 12 miles southeast of Wakpamni, or 16 miles northeast of Gordon, moving northeast at 25 mph. HAZARD...Penny size hail. SOURCE...Radar indicated. IMPACT...Minor hail damage to vegetation is possible. Locations impacted include... Irwin and Shell Lake State Wildlife Management Area. This includes Highway 61 between mile markers 230 and 231. If outdoors, consider seeking shelter inside a building.

At 714 AM CDT, Doppler radar was tracking a strong thunderstorm 9 miles southeast of Parshall, or 31 miles northwest of Garrison, moving northeast at 30 mph. HAZARD...Wind gusts up to 40 mph and nickel size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Plaza, Makoti, Ryder and Fort Berthold. Monitor the weather situation closely and be alert for threatening

At 535 AM MDT, Doppler radar was tracking a strong thunderstorm over Snake Butte, or 22 miles northwest of Martin, moving northeast at 35 mph. HAZARD...Wind gusts up to 40 mph and penny size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Wanblee, Potato Creek, George Town and Snake Butte. Monitor the weather situation closely and be alert for threatening

At 637 AM CDT /537 AM MDT/, Doppler radar was tracking a line of strong thunderstorms extending from over New Town to 13 miles southwest of Roseglen, or extending from 24 miles south of Stanley to 31 miles west of Garrison, moving northeast at 30 mph. HAZARD...Wind gusts up to 50 mph and penny size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include...

At 701 AM EDT, Doppler radar was tracking a thunderstorm with torrential rainfall 11 miles southeast of Columbus, or 4 miles northeast of Lake Bowen, moving southeast at 10 mph. Locations to be impacted include... Boiling Springs SC, Inman, Mayo, Lake Bowen, USC Upstate, Chesnee, Wellford, Fingerville, and Green Creek. Very heavy rainfall rates up to 2 inches per hour will be possible in these areas. Torrential rainfall may flood areas with poor drainage, such as

At 607 AM CDT, Doppler radar was tracking a strong thunderstorm near Medicine Butte, or 8 miles southwest of Lower Brule, moving northeast at 25 mph. HAZARD...Wind gusts of 50 to 55 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. The strong thunderstorm will be near... Medicine Butte around 610 AM CDT. Lower Brule, Counselor Creek Boat Access Area, Fort Thompson and

At 548 AM CDT /448 AM MDT/, a strong thunderstorm was located 7 miles southeast of Mandaree, or 33 miles east of Watford City, moving northeast at 25 mph. HAZARD...Wind gusts up to 50 mph and penny size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Mandaree, Mckenzie Bay Recreation Area, Skunk Creek Bay Recreation

* WHAT...Heat index values up to 110 degrees expected. * WHERE...Portions of southeast Arkansas, northeast Louisiana, and central Mississippi. * WHEN...From 11 AM this morning to 7 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat related illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose

At 516 AM CDT /416 AM MDT/, a line of strong thunderstorms was located from 5 miles northeast of Watford City to 6 miles northwest of Killdeer, moving northeast at 35 mph. HAZARD...Wind gusts up to 50 mph and penny size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Watford City, Killdeer, Mandaree, Keene, Johnsons Corner, Little