Estado do tempo em Horse Creek Butte

Red Flag Warning issued September 25 at 1:20PM MDT until September 26 at 7:00PM MDT by NWS Rapid City SD...RED FLAG WARNING IN EFFECT UNTIL 7 PM MDT THURSDAY FOR GUSTYWINDS AND LOW RELATIVE HUMIDITY FOR THE NORTHEAST WYOMING PLAINSAND FAR SOUTHWEST SOUTH DAKOTA......RED FLAG WARNING IN EFFECT FROM 10 AM MDT /11 AM CDT/ TO 7 PMMDT /8 PM CDT/ THURSDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITYACROSS MUCH OF WESTERN INTO SOUTH CENTRAL SOUTH DAKOTA....Red flag conditions continue through early this evening acrossthe northeast Wyoming plains into far southwest South Dakota,with breezy southerly winds gusting to around 30 mph and relativehumidity in the low to mid teens. Poor humidity recovery andbreezy conditions at times can be expected across these areastonight.Warmer and drier air spreads eastward on Thursday, withhumidities dropping into the teens across most of western intosouth central South Dakota. Southwesterly winds will increase inmost areas during the morning before turning northwesterly duringthe afternoon behind a cold front. Critical fire weather conditionsare expected across much of the area during the afternoon untilaround sunset.* AFFECTED AREA...Fire Weather Zones 314 Northern Campbell, 315Southern Campbell, 316 Crook County Plains, 317 Weston CountyPlains and 322 Fall River County Area.* WINDS...South to southwest 10 to 20 mph with gusts to around 30mph through early Thursday. Winds becoming northwest 10 to 20mph with gusts to around 30 mph during the midday and afternoonhours on Thursday.* RELATIVE HUMIDITY...As low as 11 percent this afternoon and aslow as 9 percent Thursday afternoon. Poor humidity recovery canbe expected tonight.* IMPACTS...The combination of gusty winds and low relativehumidity will produce critical fire weather conditions.A Red Flag Warning means that critical fire weather conditionsare either occurring now, or will shortly. A combination ofstrong winds, low relative humidity, and warm temperatures cancontribute to extreme fire behavior.

National Weather Service