Red Flag Warning
Status
Event Continued Active alertStart Time
Thu 06/19/2025 10:51 PM EDTEnd Time
Sat 06/21/2025 12:00 AM EDTSignificance
WarningImpacts
High impact
Full Alert Message
URGENT - FIRE WEATHER MESSAGE National Weather Service Salt Lake City UT 851 PM MDT Thu Jun 19 2025 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM MDT FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 478... * AFFECTED AREA...Fire Weather Zone 478 Salt Lake Desert. * WINDS...Southwest 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 4 to 9 percent. * OVERNIGHT RECOVERY...15 to 20 percent mainly I-80 and south...20 to 30 percent north of I-80. * IMPACTS...Critical fire weather conditions are expected. Any new fire starts or existing fires may spread rapidly. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are expected. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.
Technical Header
UTZ478-202100- /O.CON.KSLC.FW.W.0002.000000T0000Z-250621T0400Z/ Salt Lake Desert- 851 PM MDT Thu Jun 19 2025