Weather Alerts For Bar Nunn, WY

URGENT - FIRE WEATHER MESSAGE National Weather Service Riverton WY 1205 AM MST Fri Feb 27 2026 Natrona County/Casper BLM-Upper Wind River Basin/Wind River Basin- 1205 AM MST Fri Feb 27 2026 ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 6 PM MST THIS EVENING... The National Weather Service in Riverton has issued a Red Flag Warning, which is in effect from 11 AM this morning to 6 PM MST this evening. * IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA: In Central WY...Fire Weather Zones 280 and 283. * COUNTIES AFFECTED: In Central WY...Fremont...Natrona. * WIND: West 15 to 25 mph with gusts up to 40 mph. * HUMIDITY: 13 to 20 percent. * TEMPERATURES: Highs in the mid 50s. 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. &&