Advarsler Alcorn Dam, South Dakota

High temperature

11.7 7.48 PM 19.48 – 15.7 2.00 AM 02.00

Heat Advisory issued July 11 at 1:48PM MDT until July 14 at 8:00PM MDT by NWS Rapid City SD * WHAT...Heat index values between 95 and 105 expected. * WHERE...Portions of northwestern, south central, and southwestern South Dakota and northeast Wyoming. * WHEN...Until 8 PM MDT /9 PM CDT/ Tuesday. * 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.

National Weather Service

Fire danger

12.7 3.00 PM 15.00 – 13.7 3.00 AM 03.00

Red Flag Warning issued July 11 at 11:03AM MDT until July 12 at 9:00PM MDT by NWS Billings MT The National Weather Service in Billings has issued a Red Flag Warning...which is in effect from 9 AM to 9 PM MDT Sunday. The Fire Weather Watch is no longer in effect. * IMPACTS: Low humidities, very hot temperatures, and strong gusty winds will create erratic fire behavior. * 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 30 mph. * HUMIDITY: 5 to 10 percent. * TEMPERATURES: from 105 to 112. 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