Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
235 AM PDT Mon Jul 14 2025
CAZ111-114-115-141745-
/O.CON.KEKA.HT.Y.0002.000000T0000Z-250715T0600Z/
Northeastern Mendocino Interior-Northern Lake-Southern Lake-
Including Covelo, Clearlake Park, Hidden Valley Lake, Middletown,
Knobcone Camp, Clearlake, Lakeport, Finley, and Gravelly Valley
Airport
235 AM PDT Mon Jul 14 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING...
* WHAT...Moderate to locally major heat heat risk is expected with
highs between 100 and 105 in the valleys.
* WHERE...Lake County, and Northeastern Mendocino Interior.
* WHEN...Until 11 PM PDT this evening.
* IMPACTS...Hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...Overnight lows in the low 60s will provide
some relief in the valleys, but higher terrain may see lows remain
in the 70s.
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.
&&
$$
For hazard areas see https://www.wrh.noaa.gov/map/?wfo=eka
EYS
URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
235 AM PDT Mon Jul 14 2025
CAZ110-113-141745-
/O.CON.KEKA.HT.Y.0002.000000T0000Z-250715T0600Z/
Northwestern Mendocino Interior-Southeastern Mendocino Interior-
Including Legget, Willits, Hopland, Calpella, Ukiah, Talmage,
Redwood Valley, Potter Valley, and Laytonville
235 AM PDT Mon Jul 14 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING...
* WHAT...Moderate heat risk is expected with highs from 100 to 105
each afternoon.
* WHERE...Northwestern Mendocino Interior and Southeastern Mendocino
Interior.
* WHEN...Until 11 PM PDT this evening.
* IMPACTS...Hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...Overnight lows around 60 will provide some
relief in the valleys, but higher terrain may see lows remain in
the 70s.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
235 AM PDT Mon Jul 14 2025
CAZ106-141745-
/O.CON.KEKA.HT.Y.0002.000000T0000Z-250715T0600Z/
Southern Humboldt Interior-
Including Garberville, Bridgeville, Benbow, Dinsmore, and
Alderpoint
235 AM PDT Mon Jul 14 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING...
* WHAT...Moderate to major heat risk is possible with highs of 96 to
102.
* WHERE...Southern Humboldt Interior.
* WHEN...Until 11 PM PDT this evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Reno NV
419 PM PDT Sun Jul 13 2025
CAZ071-150000-
/O.CON.KREV.HT.Y.0002.000000T0000Z-250716T1800Z/
Lassen-Eastern Plumas-Eastern Sierra Counties-
Including the cities of Westwood, Loyalton, Portola, Sierraville,
and Susanville
419 PM PDT Sun Jul 13 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT WEDNESDAY...
* WHAT...High temperatures of 96-104 degrees expected in lower
elevations through Monday with overnight low temperatures in the
60s, resulting in widespread Moderate HeatRisk with isolated areas
of Major HeatRisk. Tuesday won`t be quite as hot, but some valley
sites could still see highs near 100 degrees.
* WHERE...Lassen-Eastern Plumas-Eastern Sierra Counties.
* WHEN...Until 11 AM PDT Wednesday.
* IMPACTS...Heat related illnesses increase significantly during
heat events, particularly for those working or participating in
outdoor activities.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
MD
URGENT - WEATHER MESSAGE
National Weather Service Reno NV
419 PM PDT Sun Jul 13 2025
CAZ070-NVZ001-003>005-150000-
/O.CON.KREV.HT.Y.0002.000000T0000Z-250716T1800Z/
Greater Reno-Carson City-Minden Area-Mineral and Southern Lyon
Counties-Surprise Valley California-Western Nevada Basin and
Range including Pyramid Lake-Northern Washoe County-
Including the cities of Mina, Sparks, Eagleville, Smith Valley,
Empire, Fallon, Virginia City, Gardnerville, Verdi, Cedarville,
Schurz, Fort Bidwell, Lovelock, Nixon, Gerlach, Yerington,
Hawthorne, Fernley, Silver Springs, and Imlay
419 PM PDT Sun Jul 13 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT WEDNESDAY...
* WHAT...High temperatures of 98-106 degrees expected in lower
elevations through Monday with overnight low temperatures in the
mid 60s to lower 70s, resulting in widespread Major HeatRisk.
Tuesday won`t be quite as hot, but some valley sites could still
see highs near or above 100 degrees.
* WHERE...In California, Surprise Valley California. In Nevada,
Northern Washoe County, Western Nevada Basin and Range including
Pyramid Lake, Greater Reno-Carson City-Minden Area, and Mineral
and Southern Lyon Counties.
* WHEN...Until 11 AM PDT Wednesday.
* IMPACTS...Heat related illnesses increase significantly during
heat events, particularly for those working or participating in
outdoor activities.
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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Medford OR
1252 PM PDT Sun Jul 13 2025
CAZ082>085-ORZ029>031-141215-
/O.CON.KMFR.HT.Y.0002.000000T0000Z-250716T0300Z/
South Central Siskiyou County-North Central and Southeast
Siskiyou County-Northeast Siskiyou and Northwest Modoc Counties-
Modoc County-Klamath Basin-Northern and Eastern Klamath County
and Western Lake County-Central and Eastern Lake County-
Including the cities of Fort Rock, Beatty, Adin, Olene, Chemult,
Lookout, McCloud, New Pine Creek, Alturas, Crescent, Sprague
River, Gilchrist, Bly, Mount Shasta, Macdoel, Davis Creek,
Lakeview, Canby, Day, Adel, Altamont, Pondosa, Bray, Newell,
Paisley, Dunsmuir, Dorris, Tennant, Tulelake, Klamath Falls,
Midland, Valley Falls, and Likely
1252 PM PDT Sun Jul 13 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT TUESDAY...
* WHAT...High temperatures of 95 to 100 are expected. Low
temperatures will be mainly in the mid-50s to low 60s.
* WHERE...Lake County and eastern Klamath County, South Central
Siskiyou County, North Central and Southeast Siskiyou County,
Northeast Siskiyou and Northwest Modoc Counties, Modoc County, and
Klamath Basin. This includes Klamath Falls, Lakeview, Mount
Shasta, and Alturas.
* WHEN...Until 8 PM PDT Tuesday.
* IMPACTS...An increased chance of heat related illness for those
without access to cooling facilities.
* ADDITIONAL DETAILS...Warm overnight temperatures will limit relief
from hot daytime temperatures. Hot temperatures are likely to
continue into mid-week.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Medford OR
1252 PM PDT Sun Jul 13 2025
ORZ023-025-141215-
/O.CON.KMFR.HT.Y.0002.000000T0000Z-250716T0300Z/
Central Douglas County-Eastern Douglas County Foothills-
Including the cities of Myrtle Creek, Canyonville, Drain,
Glendale, Toketee Falls, Roseburg, Winchester, Steamboat,
Sutherlin, Umpqua, Elkton, and Green
1252 PM PDT Sun Jul 13 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT TUESDAY...
* WHAT...High temperatures in the mid 90s to around 100 are
expected. Low temperatures will be mainly in the lower to mid 60s.
* WHERE...Central Douglas County and Eastern Douglas County
Foothills, including the Umpqua Basin. This includes Roseburg,
Camas Valley, Elkton and Tiller.
* WHEN...Until 8 PM PDT Tuesday.
* IMPACTS...An increased chance of heat related illness for those
without access to cooling facilities.
* ADDITIONAL DETAILS...Hot temperatures are likely to continue into
mid-week. Warm overnight temperatures will limit relief from hot
daytime temperatures. The Heat Advisory will likely be extended
into Wednesday for temperatures nearing the triple digits once
again in the Umpqua Basin.
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.
&&
$$
AH
URGENT - WEATHER MESSAGE
National Weather Service Sacramento CA
1223 PM PDT Sun Jul 13 2025
CAZ013>016-063-066-068-142300-
/O.CON.KSTO.HT.Y.0003.000000T0000Z-250715T0600Z/
Shasta Lake Area / Northern Shasta County-Burney Basin / Eastern
Shasta County-Northern Sacramento Valley-Central Sacramento
Valley-Mountains Southwestern Shasta County to Western Colusa
County-Northeast Foothills/Sacramento Valley-Western Plumas
County/Lassen Park-
Including the cities of Alder Springs, Redding, Chester,
Oroville, Paradise, Burney, Marysville/Yuba City, Quincy, Shasta
Dam, Chico, and Red Bluff
1223 PM PDT Sun Jul 13 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT MONDAY...
* WHAT...High temperatures up to 95 to 110 expected. Overnight low
temperatures in the upper 60s to upper 70s. Widespread Moderate
HeatRisk with areas of Major HeatRisk.
* WHERE...Burney Basin / Eastern Shasta County, Central Sacramento
Valley, Mountains Southwestern Shasta County to Western Colusa
County, Northeast Foothills/Sacramento Valley, Northern Sacramento
Valley, Shasta Lake Area / Northern Shasta County, and Western
Plumas County/Lassen Park.
* WHEN...Until 11 PM PDT Monday.
* IMPACTS...Heat related illnesses increase significantly during
heat events, particularly for those working or participating in
outdoor activities.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors, especially those
more susceptible to heat impacts.
&&
$$
For more information, visit us at www.weather.gov/sto/
NR
