Avertizari vremea Gustave, Dakota de Sud

High temperature

12.07 5:31 p.m. 17:31 – 17.07 3:00 a.m. 03:00

Heat Advisory issued July 12 at 11:31AM MDT until July 16 at 9:00PM MDT by NWS Rapid City SD * WHAT...Heat index values up to 105. * WHERE...Portions of northwestern, south central, and southwestern South Dakota and northeast Wyoming. * WHEN...Until 9 PM MDT /10 PM CDT/ Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

National Weather Service

Fire danger

12.07 7:22 p.m. 19:22 – 13.07 3:00 a.m. 03:00

Red Flag Warning issued July 12 at 1:22PM MDT until July 12 at 9:00PM MDT by NWS Billings MT * IMPACTS: Low humidities, hot temperatures, and gusty winds will create erratic fire behavior and new fire starts. * AFFECTED AREA: In North Central WY Fire Zone...274. In South Central MT Fire Zones...123...124...125...126...127 128...129. In Southeast MT Fire Zones...130...131...132. In Southeast MT and Northwest SD Fire Zone...133. * COUNTIES AFFECTED: In Central MT...Golden Valley...Musselshell...Wheatland. In North Central WY...Sheridan. In Northwest SD...Harding. In South Central MT...Big Horn...Carbon...Park...Stillwater Sweet Grass...Yellowstone. In Southeast MT...Carter...Custer...Fallon...Powder River Rosebud...Treasure. In Southwest MT...Gallatin. * WIND: South 10 to 20 mph with gusts up to 35 mph. * HUMIDITY: Minimums of 5 to 10 percent. * TEMPERATURES: 105 to 112. * COLD FRONT: Arrives over south central Montana this evening, bringing a shift to breezy northwest winds. The front will reach far southeast Montana early Monday morning. Before the frontal passage, a southeasterly low level jet will produce gusty ridgetop winds (up to 40 mph) and a slow humidity recovery over southeast Montana tonight. A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

National Weather Service