Areas Affected: Carquinez Strait and Delta; Central Sacramento Valley; Clear Lake, Southern Lake County; Motherlode; Northeast Foothills, Sacramento Valley; Northern Sacramento Valley; Northern San Joaquin Valley; Southern Sacramento Valley
...Excessive Heat Possible Late This Week...
.Strong high pressure will build into Northern California late
this week, bringing a period of hot temperatures across the
region. Much of the Central Valley and portions of the foothills
are likely to top 100 degrees Friday through Sunday. There is
potential for heat-related illness to humans, pets, and livestock
with long outdoor exposure.
...EXCESSIVE HEAT WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH
The National Weather Service in Sacramento has issued an
Excessive Heat Watch, which is in effect from Friday afternoon
through Sunday evening.
* TEMPERATURE...100 to 108 degrees.
* IMPACTS...Heat-related illnesses (including heat exhaustion and
heat stroke) are possible to humans, pets, and livestock with
long outdoor exposure.
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An Excessive Heat Watch means that a prolonged period of hot
temperatures is expected and will create a DANGEROUS SITUATION in
which heat illnesses are possible. Drink plenty of fluids, stay
in an air-conditioned room, stay out of the sun, and check up on
relatives and neighbors.
Areas Affected: Central Sacramento Valley including Glenn, Colusa, Yuba, Northern Sutter, Butte County Below 1000 Ft; E Mendocino NF; Eastern Delta; Eastern Portion of Shasta, Trinity NF; Lake County Portion of Lake-Nappa-Sonoma RU; Northern Motherlode From 1000 to 3000 Ft. From Yuba To Amador Counties; Northern Sacramento Valley to Southern Tehama County Line Below 1000 Ft; Northern San Joaquin Valley in San Joaquin and Stanislaus Counties Below 1000 ft - Excludes the Delta; Northern Sierra Foothills from 1000 to 3000 Ft. Includes Nevada-Yuba-Placer RU and Anador-Eldorado RU; Southern Motherlode From 1000 to 3000 Ft, Calaveras and Toulumne Counties; Southern Sacramento Valley In Yolo, Sacramento, Far Western Placer, Southern Sutter and Solano County Below 1000 Ft - Excludes the Delta; Southern and Eastern Mendocino NF, Southeast Edge Shasta, Trinity NF and Western Portions of Tahima, Glenn RU
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
SUNDAY MORNING FOR FIRE WEATHER ZONES 213, 215, 216, 217, 218,
219, 220, 263, 264, 266, 267, AND 279...
The National Weather Service in Sacramento has issued a Fire
Weather Watch, which is in effect from Saturday morning through
* AFFECTED AREAS...the Valley and foothills.
* WIND...North winds 10 to 20 mph with gusts up to 30 mph.
* HUMIDITY...Afternoon minimum humidities falling between 10 and 20
* IMPACTS...any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.
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A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.
Areas Affected: Burney Basin, Eastern Shasta County; Carquinez Strait and Delta; Central Sacramento Valley; Clear Lake, Southern Lake County; Motherlode; Mountains Southwestern Shasta County to Northern Lake County; Northeast Foothills, Sacramento Valley; Northern Sacramento Valley; Northern San Joaquin Valley; Shasta Lake Area, Northern Shasta County; Southern Sacramento Valley; West Slope Northern Sierra Nevada; Western Plumas County, Lassen Park
...Excessive Heat and High Fire Weather Danger Possible Friday
Through the Weekend...
*High heat risk to the general population, and especially
*Potential for heat-related illness to humans, pets, and
livestock with long outdoor exposure.
*High fire weather danger with easier fire starts and rapid
.Timing and Strength...
*Friday - Sunday, hottest Saturday
*Widespread Valley temperatures 100-106
*High Fire Weather Danger
*Friday - Sunday, strongest winds Saturday - Sunday
*North wind gusts 20-30 mph, and relative humidity 10% or
*A rapid warming and drying trend is in store this week with
high pressure building over the region. Hot temperatures
Friday into the weekend will increase the potential for heat-
related illnesses for those exposed to prolonged outdoor heat,
especially the elderly, children, and other sensitive groups.
Dry conditions with gusty north winds will increase the
potential for fire starts and rapid spread.