Red Flag Warning
URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
1159 AM PDT Sun Aug 23 2026
CAZ280-281-ORZ621>623-241200-
/O.NEW.KMFR.FW.W.0019.260824T1800Z-260825T0300Z/
Western Klamath National Forest-
Central Siskiyou County Including Shasta Valley-
Siskiyou Mountains-Eastern Rogue Valley-Southern Oregon Cascades-
1159 AM PDT Sun Aug 23 2026
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM PDT MONDAY FOR
STRONG GUSTY WIND AND LOW RH FOR FIRE WEATHER ZONES 280, 281,
621, 622, AND 623...
The National Weather Service in Medford has issued a Red Flag
Warning, which is in effect from 11 AM to 8 PM PDT Monday.
* IMPACTS...Any fires that develop will likely spread rapidly.
* AFFECTED AREA...In California, Fire Weather Zones 280 and 281.
In Oregon...Fire Weather Zones 621, 622, and 623. In California,
this includes Scott Valley, Shasta Valley, and the Klamath River
Valley. In Oregon, this includes the Siskiyou Mountains, the
Southern Cascade Mountains, and the Rogue Valley.
* WIND...In Oregon, west to northwest winds 10 to 15 mph with
gusts around 25 mph. In California, south to southwest winds 10
to 20 mph with gusts around 30 mph.
* HUMIDITY...Daytime humidities down to 8 to 15 percent.
* DETAILED URL...View the hazard area in detail at
https://weather.gov/wrh/hazards?wfo=mfr
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.
&&
$$
Visit us at www.weather.gov/Medford
Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
436 PM PDT Sun Aug 23 2026
CAZ304>316-240900-
/O.NEW.KHNX.HT.Y.0005.260824T1200Z-260827T0600Z/
Coalinga - Avenal-West Side of Fresno and Kings Counties-
Caruthers - San Joaquin - Selma-Fresno-Clovis-West Side Mountains
South of 198-Buttonwillow - Lost Hills - I5-Delano-Wasco-Shafter-
Hanford - Corcoran - Lemoore-Visalia - Porterville - Reedley-
Buena Vista-Bakersfield-Southeast San Joaquin Valley-South End
San Joaquin Valley-
Including the cities of Kingsburg, Tulare, Coalinga, Hanford,
Blackwells Corner, Alpaugh, Wasco, McKittrick, Fresno, Richgrove,
Lost Hills, Lemoore Station, Parlier, Lemoore, Visalia, Five Points,
Corcoran, Sanger, Taft, Buttonwillow, Bakersfield, Lamont, Arvin,
Kerman, Goshen, Shafter, Delano, Porterville, Kettleman City, Selma,
and Avenal
436 PM PDT Sun Aug 23 2026
...HEAT ADVISORY IN EFFECT FROM 5 AM MONDAY TO 11 PM PDT WEDNESDAY...
* WHAT...High temperatures up to 104 expected.
* WHERE...Southern San Joaquin Valley and West Side Hills of the
Coastal Range.
* WHEN...From 5 AM Monday to 11 PM PDT Wednesday.
* IMPACTS...Hot temperatures may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
&&
$$
SM
Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
841 PM PDT Sun Aug 23 2026
PZZ450-241145-
/O.CON.KEKA.SC.Y.0076.000000T0000Z-260824T1600Z/
Coastal waters from Pt. St. George to Cape Mendocino CA out 10 nm-
841 PM PDT Sun Aug 23 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT MONDAY...
* WHAT...Seas 4 to 7 feet.
* WHERE...Coastal waters from Pt. St. George to Cape Mendocino
CA out 10 nm.
* WHEN...Until 9 AM PDT Monday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
841 PM PDT Sun Aug 23 2026
PZZ455-241145-
/O.CON.KEKA.SC.Y.0076.000000T0000Z-260824T1600Z/
Coastal waters from Cape Mendocino to Pt. Arena CA out 10 nm-
841 PM PDT Sun Aug 23 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT MONDAY...
* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt and
seas 7 to 10 feet.
* WHERE...Coastal waters from Cape Mendocino to Pt. Arena CA out
10 nm.
* WHEN...Until 9 AM PDT Monday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
841 PM PDT Sun Aug 23 2026
PZZ470-241145-
/O.CON.KEKA.SC.Y.0076.000000T0000Z-260825T0100Z/
Waters from Pt. St. George to Cape Mendocino CA from 10 to 60 nm-
841 PM PDT Sun Aug 23 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM PDT MONDAY...
* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas
7 to 10 feet.
* WHERE...Waters from Pt. St. George to Cape Mendocino CA from
10 to 60 nm.
* WHEN...Until 6 PM PDT Monday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
841 PM PDT Sun Aug 23 2026
PZZ475-241145-
/O.CON.KEKA.SC.Y.0076.000000T0000Z-260825T0100Z/
Waters from Cape Mendocino to Pt. Arena CA from 10 to 60 nm-
841 PM PDT Sun Aug 23 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM PDT MONDAY...
* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and
seas 7 to 10 feet.
* WHERE...Waters from Cape Mendocino to Pt. Arena CA from 10 to
60 nm.
* WHEN...Until 6 PM PDT Monday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
801 PM PDT Sun Aug 23 2026
PZZ570-241000-
/O.CON.KMTR.SC.Y.0098.000000T0000Z-260824T1000Z/
Waters from Point Arena to Point Reyes 10-60 NM-
801 PM PDT Sun Aug 23 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT MONDAY...
* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt.
* WHERE...Waters from Point Arena to Point Reyes 10-60 NM.
* WHEN...Until 3 AM PDT Monday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
For more information from the National Weather Service visit
http://weather.gov/sanfrancisco
