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Updated:July 25, 2026 4:15 pm PDT

Red Flag Warning RED FLAG WARNING  
Modoc County

  Effective: Sat, 7/25 9:29am Severity:  Severe 
  Updated: July 25, 2026 4:15 pm Urgency: Expected
  Expires: Sat, 7/25 9:00pm Certainty: Likely

Areas Affected: Surprise Valley California - Eastern Lassen County - Northern Washoe County
 
Alert Details:
The National Weather Service in Reno has issued a Red Flag
Warning for gusty winds and low humidity, which is in effect from
1 PM to 9 PM PDT Sunday. The Fire Weather Watch is no longer in
effect.

* CHANGES...Increased wind speeds.

* Affected Area...Fire Weather Zone 270 Surprise Valley
California, Fire Weather Zone 278 Eastern Lassen County, Fire
Weather Zone 458 Northern Washoe County.

* Winds...Southwest 15 to 25 mph with gusts of 30 to 40 mph.

* Humidity...Afternoon minimums 5 to 11 percent through Sunday.
Overnight recoveries 25 to 45 percent each night through Monday
morning.

* Duration...3 to 7 hours Saturday afternoon. 3 to 6 hours
Sunday afternoon.

* Impacts...The combination of gusty winds and low humidity can
cause fire to rapidly grow in size and intensity before first
responders can contain them.

Information:
Avoid outdoor activities that can cause a spark near dry
vegetation, such as yard work, target shooting, or campfires.
Follow local fire restrictions. Check weather.gov/reno for
updates and livingwithfire.info for preparedness tips.
Red Flag Warning RED FLAG WARNING  
Modoc County

  Effective: Sat, 7/25 9:29am Severity:  Severe 
  Updated: July 25, 2026 4:15 pm Urgency: Expected
  Expires: Sat, 7/25 9:00pm Certainty: Likely

Areas Affected: Surprise Valley California - Eastern Lassen County - Northern Washoe County
 
Alert Details:
The National Weather Service in Reno has issued a Red Flag
Warning for gusty winds and low humidity, which is in effect from
1 PM to 9 PM PDT Sunday. The Fire Weather Watch is no longer in
effect.

* CHANGES...Increased wind speeds.

* Affected Area...Fire Weather Zone 270 Surprise Valley
California, Fire Weather Zone 278 Eastern Lassen County, Fire
Weather Zone 458 Northern Washoe County.

* Winds...Southwest 15 to 25 mph with gusts of 30 to 40 mph.

* Humidity...Afternoon minimums 5 to 11 percent through Sunday.
Overnight recoveries 25 to 45 percent each night through Monday
morning.

* Duration...3 to 7 hours Saturday afternoon. 3 to 6 hours
Sunday afternoon.

* Impacts...The combination of gusty winds and low humidity can
cause fire to rapidly grow in size and intensity before first
responders can contain them.

Information:
Avoid outdoor activities that can cause a spark near dry
vegetation, such as yard work, target shooting, or campfires.
Follow local fire restrictions. Check weather.gov/reno for
updates and livingwithfire.info for preparedness tips.
Red Flag Warning RED FLAG WARNING  
Modoc County

  Effective: Sat, 7/25 9:46am Severity:  Severe 
  Updated: July 25, 2026 4:15 pm Urgency: Expected
  Expires: Sat, 7/25 9:00pm Certainty: Likely

Areas Affected: Modoc County Except for the Surprise Valley - Klamath Basin and the Fremont-Winema National Forest
 
Alert Details:
...Critical fire weather conditions continue through the
weekend...

.Hot, dry and windy conditions will peak this afternoon east of
the Cascades. Humidities trend slightly higher today and will
continue that slight trend higher into Sunday.

...RED FLAG WARNING IN EFFECT FROM 1 PM TO 7 PM PDT SUNDAY
FOR STRONG GUSTY WIND AND LOW RH FOR FIRE WEATHER ZONES 285 AND
624...

* AFFECTED AREA...In Oregon, Fire weather zone 624 covering the
Klamath Basin and Fremont-Winema National Forest. In California,
fire weather zone 285 covering Modoc County except for Surprise
Valley. The areas of concern shrink to southern portions of fwz
624 Sunday.

* WINDS...Southwest to west 10 to 20 mph with gusts up to 40 mph
Saturday and 35 mph Sunday.

* MINIMUM HUMIDITY...8 to 15 percent. Humidities rise slightly
on Sunday.

* DURATION...3 to 6 hours Saturday and Sunday afternoon and
evening.

* DETAILED URL...View the hazard area in detail at
https://weather.gov/wrh/hazards?wfo=mfr

Information:
Follow all fire restrictions. You can find your county's
emergency sign up form as well as links to fire restrictions at
weather.gov/medford/wildfire. One less spark, one less wildfire.

Be sure you're signed up for your county's emergency alert
system. Familiarize yourself with your emergency plan and make
sure you listen to emergency services. Visit ready.gov/plan for
more information.

A Red Flag Warning is issued when we identify weather conditions
that promote rapid spread of fire which may become life-
threatening. This does not mean there is a fire. These conditions
are either occurring now or will begin soon. It is important to
have multiple ways to receive information from authorities.
Red Flag Warning RED FLAG WARNING  
Modoc County

  Effective: Sat, 7/25 9:46am Severity:  Severe 
  Updated: July 25, 2026 4:15 pm Urgency: Expected
  Expires: Sat, 7/25 9:00pm Certainty: Likely

Areas Affected: Modoc County Except for the Surprise Valley - Klamath Basin and the Fremont-Winema National Forest
 
Alert Details:
...Critical fire weather conditions continue through the
weekend...

.Hot, dry and windy conditions will peak this afternoon east of
the Cascades. Humidities trend slightly higher today and will
continue that slight trend higher into Sunday.

...RED FLAG WARNING IN EFFECT FROM 1 PM TO 7 PM PDT SUNDAY
FOR STRONG GUSTY WIND AND LOW RH FOR FIRE WEATHER ZONES 285 AND
624...

* AFFECTED AREA...In Oregon, Fire weather zone 624 covering the
Klamath Basin and Fremont-Winema National Forest. In California,
fire weather zone 285 covering Modoc County except for Surprise
Valley. The areas of concern shrink to southern portions of fwz
624 Sunday.

* WINDS...Southwest to west 10 to 20 mph with gusts up to 40 mph
Saturday and 35 mph Sunday.

* MINIMUM HUMIDITY...8 to 15 percent. Humidities rise slightly
on Sunday.

* DURATION...3 to 6 hours Saturday and Sunday afternoon and
evening.

* DETAILED URL...View the hazard area in detail at
https://weather.gov/wrh/hazards?wfo=mfr

Information:
Follow all fire restrictions. You can find your county's
emergency sign up form as well as links to fire restrictions at
weather.gov/medford/wildfire. One less spark, one less wildfire.

Be sure you're signed up for your county's emergency alert
system. Familiarize yourself with your emergency plan and make
sure you listen to emergency services. Visit ready.gov/plan for
more information.

A Red Flag Warning is issued when we identify weather conditions
that promote rapid spread of fire which may become life-
threatening. This does not mean there is a fire. These conditions
are either occurring now or will begin soon. It is important to
have multiple ways to receive information from authorities.