Severe

The National Weather Service in Lincoln has issued a * Dust Storm Warning for... Northwestern De Witt County in central Illinois... * Until 500 PM CDT. * At 353 PM CDT, a dust channel was over Wapella, or near Clinton, and is nearly stationary. HAZARD...Less than a quarter mile visibility with strong wind in excess of 40 mph. SOURCE...Public. IMPACT...Dangerous life-threatening travel. US Route 51 north of Clinton in the Wapella area was reported to have near zero visibility. Locations impacted include... Wapella.

The heavy rain has ended. Ponding of water is still possible over roads. Please continue to heed remaining road closures.

* WHAT...Southwest winds 15 to 25 mph with gusts up to 40 mph, Relative Humidity between 8 to 17 percent. * WHERE...Mogollon Rim, Kaibito Plateau, Painted Desert, Little Colorado River Valley in Coconino County, Little Colorado River Valley in Navajo County, and Black Mesa Area. This includes portions of the Coconino and Kaibab national forests. * WHEN...From 11 AM MST /noon MDT/ to 8 PM MST /9 PM MDT/ Wednesday. * IMPACTS...Rapid spread and growth of any new or existing fires. Elevated potential for new fire starts.

* WHAT...Southwest winds 10 to 20 mph with gusts up to 35 mph, Relative Humidity between 7 to 16 percent. * WHERE...Coconino Plateau, Grand Canyon Country, and Kaibab Plateau. This includes portions of the Kaibab National Forest. * WHEN...From 11 AM MST /noon MDT/ to 8 PM MST /9 PM MDT/ Wednesday. * IMPACTS...Rapid spread and growth of any new or existing fires. Fires will have the potential to exhibit extreme fire behavior. Elevated potential for new fire starts.

At 407 PM EDT, a severe thunderstorm was located near Lake Kissimmee, moving east at 15 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. This severe thunderstorm will remain over mainly rural areas of central Osceola County. For your protection move to an interior room on the lowest floor of a building. Continuous cloud to ground lightning is occurring with this storm.

...The National Weather Service in New Orleans LA has issued a Flood Warning for the following rivers in Mississippi... Biloxi River Near Lyman affecting Harrison County. For the Biloxi River...including Wortham, Lyman...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Biloxi River near Lyman. * WHEN...From this afternoon to late tomorrow morning. * IMPACTS...At 12.0 feet, River Road near Three Rivers Road bridge will begin to flood. * ADDITIONAL DETAILS...

SVRMLB The National Weather Service in Melbourne has issued a * Severe Thunderstorm Warning for... Central Osceola County in east central Florida... * Until 430 PM EDT. * At 342 PM EDT, a severe thunderstorm was located 8 miles northwest of Lake Kissimmee, moving east at 15 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * This severe thunderstorm will remain over mainly rural areas of central Osceola County.

...RED FLAG WARNING IN EFFECT FROM NOON WEDNESDAY TO 9 PM MDT THURSDAY DUE TO GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FALL RIVER COUNTY AREA, NORTHERN FOOT HILLS, EASTERN FOOT HILLS, CUSTER COUNTY PLAINS, PINE RIDGE AREA, BUTTE COUNTY AREA, WEST CENTRAL PLAINS, ZIEBACH COUNTY, HAAKON COUNTY AREA, BADLANDS AREA, AND BENNETT COUNTY AREA... .Warm, very dry, and breezy weather will support critical fire weather conditions over much of the western SD Plains Wednesday.

The National Weather Service in Great Falls has issued a Red Flag Warning for hot temperatures, gusty winds, and low relative humidity, which is in effect from noon to 9 PM MDT Wednesday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Hill and Blaine Counties. * TIMING... * WINDS...South 20 to 35 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...As low as 14 percent. * TEMPERATURES...Up to 90. * LIGHTNING... * IMPACTS...Any fires that develop will spread rapidly. Outdoor burning is not recommended.

* WHAT...Dangerously hot conditions. Afternoon temperatures 104 to 108 degrees. Moderate Heat Risk. * WHERE...The Phoenix Metro Area. * WHEN...Until 8 PM MST this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. * ADDITIONAL DETAILS...In Maricopa County, call 2-1-1 to find a free cooling center, transportation, water, and more.