Red Flag Warning
URGENT - FIRE WEATHER MESSAGE
National Weather Service Boise ID
212 PM MDT Thu Jul 23 2026
...SCATTERED THUNDERSTORMS ON THURSDAY ACROSS FAR EASTERN OREGON
AND WESTERN IDAHO...
...HOT, DRY, AND WINDY FRIDAY AND SATURDAY...
.Scattered thunderstorms are expected to develop across far
eastern Oregon and western Idaho this afternoon. Storms will be
capable of frequent lightning, gusty outflow winds, and only
sporadic wetting rains. While the thunderstorm threat will end by
Friday and Saturday, hot, dry, and windy conditions will develop,
primarily across southeast Oregon and the higher terrain of
southwest Idaho. The driest and windiest day at this time is
expected on Saturday.
IDZ423-ORZ672>675-240415-
/O.UPG.KBOI.FW.A.0006.260724T2000Z-260726T0300Z/
/O.NEW.KBOI.FW.W.0015.260724T2000Z-260726T0300Z/
/O.CON.KBOI.FW.W.0014.000000T0000Z-260724T0300Z/
Owyhee Mountains-Southern Grasslands-Central Canyonlands-
Northwestern Vale BLM-Baker Valley-
212 PM MDT Thu Jul 23 2026 /112 PM PDT Thu Jul 23 2026/
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT /8 PM PDT/
THIS EVENING FOR LIGHTNING FOR OWYHEE MOUNTAINS...SOUTHERN
GRASSLANDS...CENTRAL CANYONLANDS... NORTHWESTERN VALE BLM AND
BAKER VALLEY...WHICH ARE FIRE WEATHER ZONES 423...672...673...674
AND 675...
...RED FLAG WARNING IN EFFECT FROM 2 PM MDT /1 PM PDT/ FRIDAY TO
9 PM MDT /8 PM PDT/ SATURDAY FOR WINDS AND LOW RELATIVE
HUMIDITIES FOR OWYHEE MOUNTAINS...SOUTHERN GRASSLANDS...CENTRAL
CANYONLANDS...NORTHWESTERN VALE BLM AND BAKER VALLEY...WHICH ARE
FIRE WEATHER ZONES 423...672...673...674 AND 675...
The National Weather Service in Boise has issued a Red Flag
Warning for winds and low relative humidities, which is in effect
from 2 PM MDT /1 PM PDT/ Friday to 9 PM MDT /8 PM PDT/ Saturday.
The Fire Weather Watch is no longer in effect.
* AFFECTED AREA...In Idaho, Fire Weather Zone 423 Owyhee
Mountains. In Oregon, Fire Weather Zones 672 Southern
Grasslands, 673 Central Canyonlands, 674 Northwestern Vale BLM
and 675 Baker Valley.
* TIMING...For the first Red Flag Warning, until 9 PM MDT /8 PM
PDT/ this evening. For the second Red Flag Warning, from 2 PM
MDT /1 PM PDT/ Friday to 9 PM MDT /8 PM PDT/ Saturday.
* THUNDERSTORMS...Scattered coverage with abundant lightning.
* OUTFLOW WINDS...Gusty erratic winds up to 50 mph.
* WINDS...For the second Red Flag Warning, Southwest 10 to 20 mph
with gusts up to 30 mph.
* RELATIVE HUMIDITY...For the second Red Flag Warning, 6 to 12
percent.
* IMPACTS...Any fire that develops will catch and spread
quickly. Outdoor burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will occur shortly.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Boise ID
212 PM MDT Thu Jul 23 2026
...SCATTERED THUNDERSTORMS ON THURSDAY ACROSS FAR EASTERN OREGON
AND WESTERN IDAHO...
...HOT, DRY, AND WINDY FRIDAY AND SATURDAY...
.Scattered thunderstorms are expected to develop across far
eastern Oregon and western Idaho this afternoon. Storms will be
capable of frequent lightning, gusty outflow winds, and only
sporadic wetting rains. While the thunderstorm threat will end by
Friday and Saturday, hot, dry, and windy conditions will develop,
primarily across southeast Oregon and the higher terrain of
southwest Idaho. The driest and windiest day at this time is
expected on Saturday.
IDZ400-420-240300-
/O.CON.KBOI.FW.W.0014.000000T0000Z-260724T0300Z/
Northern Boise BLM-Treasure Valley BLM-
212 PM MDT Thu Jul 23 2026
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR LIGHTNING FOR NORTHERN BOISE BLM AND TREASURE VALLEY
BLM...WHICH ARE FIRE WEATHER ZONES 400 AND 420...
* AFFECTED AREA...In Idaho, Fire Weather Zones 400 Northern
Boise BLM and 420 Treasure Valley BLM.
* TIMING...Until 9 PM MDT this evening.
* THUNDERSTORMS...Scattered coverage with abundant lightning.
* OUTFLOW WINDS...Gusty erratic winds up to 50 mph.
* IMPACTS...Any fire that develops will catch and spread
quickly. Outdoor burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will occur shortly.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Boise ID
212 PM MDT Thu Jul 23 2026
...SCATTERED THUNDERSTORMS ON THURSDAY ACROSS FAR EASTERN OREGON
AND WESTERN IDAHO...
...HOT, DRY, AND WINDY FRIDAY AND SATURDAY...
.Scattered thunderstorms are expected to develop across far
eastern Oregon and western Idaho this afternoon. Storms will be
capable of frequent lightning, gusty outflow winds, and only
sporadic wetting rains. While the thunderstorm threat will end by
Friday and Saturday, hot, dry, and windy conditions will develop,
primarily across southeast Oregon and the higher terrain of
southwest Idaho. The driest and windiest day at this time is
expected on Saturday.
IDZ401-402-ORZ670-671-240415-
/O.UPG.KBOI.FW.A.0006.260724T2000Z-260726T0300Z/
/O.NEW.KBOI.FW.W.0015.260724T2000Z-260726T0300Z/
Western Payette National Forest-Eastern Payette National Forest-
Burns BLM-Steens Mountain-
212 PM MDT Thu Jul 23 2026 /112 PM PDT Thu Jul 23 2026/
...RED FLAG WARNING IN EFFECT FROM 2 PM MDT /1 PM PDT/ FRIDAY TO
9 PM MDT /8 PM PDT/ SATURDAY FOR WINDS AND LOW RELATIVE
HUMIDITIES FOR WESTERN PAYETTE NATIONAL FOREST...EASTERN PAYETTE
NATIONAL FOREST...BURNS BLM AND STEENS MOUNTAIN...WHICH ARE FIRE
WEATHER ZONES 401...402...670 AND 671...
The National Weather Service in Boise has issued a Red Flag
Warning for winds and low relative humidities, which is in effect
from 2 PM MDT /1 PM PDT/ Friday to 9 PM MDT /8 PM PDT/ Saturday.
The Fire Weather Watch is no longer in effect.
* AFFECTED AREA...In Idaho, Fire Weather Zones 401 Western
Payette National Forest and 402 Eastern Payette National
Forest. In Oregon, Fire Weather Zones 670 Burns BLM and 671
Steens Mountain.
* TIMING...From 2 PM MDT /1 PM PDT/ Friday to 9 PM MDT /8 PM
PDT/ Saturday.
* WINDS...Southwest 10 to 20 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...6 to 18 percent.
* IMPACTS...Any fire that develops will catch and spread
quickly. Outdoor burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will occur shortly.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
1138 AM PDT Thu Jul 23 2026
CAZ284-285-ORZ624-625-240645-
/O.UPG.KMFR.FW.A.0005.260724T2000Z-260726T0400Z/
/O.NEW.KMFR.FW.W.0010.260724T2000Z-260726T0400Z/
Siskiyou County from the Cascade Mountains East and South to Mt
Shasta-Modoc County Except for the Surprise Valley-
Klamath Basin and the Fremont-Winema National Forest-
South Central Oregon Desert including the BLM Land in Eastern
Lake and Western Harney Counties-
1138 AM PDT Thu Jul 23 2026
...RED FLAG WARNING IN EFFECT FROM 1 PM FRIDAY TO 9 PM PDT
SATURDAY FOR STRONG GUSTY WIND AND LOW RH FOR FIRE WEATHER ZONES
284, 285, 624, AND 625...
The National Weather Service in Medford has issued a Red Flag
Warning, which is in effect from 1 PM Friday to 9 PM PDT
Saturday. The Fire Weather Watch is no longer in effect.
* AFFECTED AREA...In northern California in Fire Weather Zones
284 and 285, including the Klamath, Shasta and Modoc National
Forests. In Oregon, nearly all areas east of the Cascades,
including the Klamath Basin, Fremont-Winema National Forest
and the south central Oregon Desert including BLM land in Fire
Weather Zones 624 and 625.
* WINDS...Southwest to west 10 to 20 mph with gusts up to 45 mph
both Friday and Saturday afternoon and evening.
* MINIMUM HUMIDITY...5 to 15 percent.
* DURATION...3 to 8 hours Friday and Saturday afternoon and
evening.
* DETAILED URL...View the hazard area in detail at
https://weather.gov/wrh/hazards?wfo=mfr
* ADDITIONAL DETAILS...The fire weather threat will decrease
overnight with increasing humidities and lighter winds.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
$$
Visit us at www.weather.gov/Medford
URGENT - FIRE WEATHER MESSAGE
National Weather Service Reno NV
1010 AM PDT Thu Jul 23 2026
CAZ270-278-NVZ458-260400-
/O.UPG.KREV.FW.A.0005.260724T2000Z-260726T0400Z/
/O.NEW.KREV.FW.W.0007.260724T2000Z-260726T0400Z/
/O.NEW.KREV.FW.A.0006.260726T2000Z-260727T0400Z/
Surprise Valley California-Eastern Lassen County-
Northern Washoe County-
1010 AM PDT Thu Jul 23 2026
...RED FLAG WARNING IN EFFECT FROM 1 PM FRIDAY TO 9 PM PDT
SATURDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR PORTIONS OF
NORTHEAST CA AND WESTERN NV...
...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH
SUNDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR PORTIONS OF
NORTHEAST CA AND WESTERN NV...
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 Friday to 9 PM PDT Saturday. A Fire Weather Watch has also
been issued. This Fire Weather Watch for gusty winds and low
humidity is in effect from Sunday afternoon through Sunday
evening. The Fire Weather Watch is no longer in effect.
* CHANGES...Upgraded Friday and Saturday to a Red Flag Warning.
Also issued a Fire Weather Watch for Sunday.
* 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 10 to 20 mph with gusts up to 35 mph each
afternoon.
* Humidity...Afternoon minimums 5 to 9 percent Friday through
Sunday.
* Duration...3 to 9 hours Friday and 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.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Reno NV
1010 AM PDT Thu Jul 23 2026
NVZ420-260400-
/O.NEW.KREV.FW.W.0007.260724T2000Z-260726T0400Z/
/O.NEW.KREV.FW.A.0006.260726T2000Z-260727T0400Z/
Northern Sierra Front including Carson City, Douglas, Storey,
Southern Washoe, Western Lyon, and Far Southern Lassen Counties-
1010 AM PDT Thu Jul 23 2026
...RED FLAG WARNING IN EFFECT FROM 1 PM FRIDAY TO 9 PM PDT
SATURDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR THE SIERRA FRONT...
...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH
SUNDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR THE SIERRA
FRONT...
The National Weather Service in Reno has issued a Red Flag
Warning for gusty winds and low humidity, which is in effect from
1 PM Friday to 9 PM PDT Saturday. A Fire Weather Watch has also
been issued. This Fire Weather Watch for gusty winds and low
humidity is in effect from Sunday afternoon through Sunday
evening.
* Affected Area...Fire Weather Zone 420 Northern Sierra Front
including Carson City, Douglas, Storey, Southern Washoe,
Western Lyon, and Far Southern Lassen Counties.
* Winds...West 10 to 20 mph with gusts up to 35 mph each afternoon.
* Humidity...Afternoon minimums 7 to 14 percent Friday through
Sunday.
* Duration...3 to 6 hours each afternoon Friday through Sunday.
* Impacts...The combination of gusty winds and low humidity can
cause fire to rapidly grow in size and intensity before first
responders can contain them.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Avoid outdoor activities that can cause a spark near dry
vegetation, such as yard work, target shooting, or campfires.
Follow local fire restrictions. Check weather.gov/reno for
updates and livingwithfire.info for preparedness tips.
&&
$$
http://weather.gov/reno
