Weather Alerts For Newcastle, WY

# HEADLINE -------------------- RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT FRIDAY DUE TO GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR BUTTE COUNTY AREA, NORTHERN CAMPBELL, SOUTHERN CAMPBELL, CROOK COUNTY PLAINS, WESTON COUNTY PLAINS, AND WYOMING BLACK HILLS RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT FRIDAY # SUMMARY -------------------- The National Weather Service in Rapid City SD has issued a Red Flag Warning. # DETAILS -------------------- AFFECTED AREA Fire Weather Zones 314, 315, 316, 317, 318, and 327. TIMING From 11 AM to 8 PM MDT Friday. WINDS South winds 10 to 20 mph with gusts up to 30 mph. RELATIVE HUMIDITY Relative Humidity as low as 8 percent. IMPACTS Any fires that develop will spread rapidly. Outdoor burning is not recommended. ISSUED AT Thursday, September 3, 2026 at 9:19 PM MDT ISSUED BY National Weather Service Rapid City SD HEADER URGENT - FIRE WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- 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. # AREAS AFFECTED -------------------- Butte County Area, Crook County Plains, Northern Campbell, Southern Campbell, Weston County Plains, Wyoming Black Hills

Closest strike: 14.19 miles Storms Approaching Stay alert and frequently check WeatherBug to see if storms are moving toward you. Be mindful that new storms can also form with little notice.

Pollen Index: 9.8 Pollen Level: high Predominant Pollen: Ragweed, Sagebrush/Sage and Chenopods. Pollen concentrations for Saturday will be at about the same level in the high range. If you do suffer from allergies, tomorrow should be about as difficult outdoors as it was today.