Flood Watch
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of northwest California, including the following
areas, Coastal Del Norte, Del Norte Interior, Mendocino Coast,
Northeastern Mendocino Interior, Northern Humboldt Coast, Northern
Humboldt Interior, Northern Trinity, Northwestern Mendocino
Interior, Southern Humboldt Interior, Southern Trinity and
Southwestern Humboldt.
* WHEN...From Monday evening through Tuesday evening.
* IMPACTS...There will be an increased risk of rock and land slides
along roadways. Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
* ADDITIONAL DETAILS...
- A prolonged duration of moderate to heavy rain is expected.
- http://www.weather.gov/safety/flood
From: Feb 23, 2026 05:33
Until: Feb 23, 2026 18:45
Winter Storm Warning
* WHAT...Heavy snow expected for elevations above 4500. Total snow
accumulations up to 10 inches. Winds gusting as high as 55 mph.
* WHERE...Northern Trinity.
* WHEN...Until 3 PM PST Sunday.
* IMPACTS...Travel could be very difficult. Tire chains may be
necessary if travelling through mountain passes and road closures
are possible. Strong winds could cause extensive damage to trees
and power lines.
From: Feb 22, 2026 05:42
Until: Feb 22, 2026 17:45
Flood Watch
* WHAT...Flooding caused by excessive rainfall is possible.
* WHERE...A portion of northwest California, including the following
areas, Coastal Del Norte, Del Norte Interior, Mendocino Coast,
Northeastern Mendocino Interior, Northern Humboldt Coast, Northern
Humboldt Interior, Northern Lake, Northern Trinity, Northwestern
Mendocino Interior, Southeastern Mendocino Interior, Southern
Humboldt Interior, Southern Lake, Southern Trinity, Southwestern
Humboldt and Southwestern Mendocino Interior.
* WHEN...From Monday evening through Tuesday evening.
* IMPACTS...There will be an increased risk of rock and land slides
along roadways. Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
* ADDITIONAL DETAILS...
- A prolonged duration of moderate to heavy rain is expected.
- http://www.weather.gov/safety/flood
From: Feb 22, 2026 07:40
Until: Feb 22, 2026 17:45
Winter Storm Warning
* WHAT...Heavy snow expected for elevations above 4500. Total snow
accumulations up to 10 inches. Winds gusting as high as 55 mph.
* WHERE...Northern Trinity.
* WHEN...From 10 PM this evening to 4 PM PST Sunday.
* IMPACTS...Travel could be very difficult. Tire chains may be
necessary if travelling through mountain passes and road closures
are possible. Strong winds could cause extensive damage to trees
and power lines.
From: Feb 21, 2026 19:54
Until: Feb 22, 2026 08:00
Cold Weather Advisory
* WHAT...Sub-freezing temperatures in the single digits to teens in
the mountains with 20s to around 30 degrees in the foothills.
* WHERE...Burney Basin / Eastern Shasta County, Motherlode,
Mountains Southwestern Shasta County to Western Colusa County,
Northeast Foothills, Shasta Lake Area / Northern Shasta County,
West Slope Northern Sierra Nevada, and Western Plumas
County/Lassen Park.
* WHEN...From midnight tonight to 9 AM PST Friday.
* IMPACTS...Very cold temperatures can lead to frostbite and
hypothermia with prolonged exposure. This will especially impact
those without power from the storm.
From: Feb 19, 2026 20:16
Until: Feb 20, 2026 17:00
Cold Weather Advisory
* WHAT...Sub-freezing temperatures between 20 and 32 degrees,
coldest in the northern Sacramento Valley.
* WHERE...Sacramento Valley.
* WHEN...From midnight tonight to 9 AM PST Friday.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures. Frost and freeze conditions
could kill crops and other sensitive vegetation.
From: Feb 19, 2026 20:16
Until: Feb 20, 2026 17:00
Wind Advisory
* WHAT...South winds 10 to 20 mph with gusts of 35 to 45 mph
expected.
* WHERE...Sacramento Valley.
* WHEN...Until 10 PM PST this evening.
* IMPACTS...Strongest winds will follow ongoing precipitation during
the morning hours. A few gusts up to 50 mph can't be ruled out in
the southern Sacramento Valley.
* ADDITIONAL DETAILS...Strongest winds will be along and behind
precipitation during the morning hours.
From: Feb 19, 2026 11:24
Until: Feb 20, 2026 06:00
Winter Storm Warning
* WHAT...Additional heavy snow accumulation amounts range from up to
6 inches above 2000 to 3000 feet, and up to 1 foot above 4000
feet. Southwest wind gusts of 40 to 50 mph expected.
* WHERE...Motherlode, Northeast Foothills, West Slope Northern
Sierra Nevada, and Western Plumas County/Lassen Park.
* WHEN...Until 10 PM PST this evening.
* IMPACTS...Dangerous to near impossible travel conditions with
chain controls and road closures. Low visibility due to a
combination of wind and heavy snow.
* ADDITIONAL DETAILS...Snow levels remain around 1500-2500 feet
today in the Sierra and southern Cascades today.
From: Feb 19, 2026 20:20
Until: Feb 20, 2026 06:00
Winter Storm Warning
* WHAT...Heavy snow with additional snow accumulations up to 1 foot
between 1000 and 3000 feet, 2 to 3 feet above 3000 feet, and up to
4 feet at peaks. Light snowfall accumulations up to 2 inches below
1000 feet in Shasta and Tehama Counties. Winds gusting as high 45
to 55 mph.
* WHERE...Portions of Northern California, now including elevations
below 1000 ft in Shasta and Tehama Counties
* WHEN...Until 10 PM PST Thursday.
* IMPACTS...Dangerous to near impossible travel conditions with
chain controls and road closures. Additional power outages from
downed trees and power lines. Low visibility due to a combination
of gusty wind and heavy snow.
* ADDITIONAL DETAILS...Snow levels remain around 1500 to 2500 feet
through Thursday in the Sierra Foothills with potential to see
snow levels as low as 1000 feet. Snow levels potentially down to
300 feet along the southern Cascades, Shasta County, and Tehama
County in the morning hours.
From: Feb 18, 2026 19:40
Until: Feb 20, 2026 00:15
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 13 expected, especially in
Weaverville, Hayfork, Douglas City and Ruth.
* WHERE...Trinity County.
* WHEN...From midnight tonight to 9 AM PST Sunday.
* IMPACTS...Wind chill values can lead to hypothermia with prolonged
exposure.
From: Jan 25, 2026 04:17
Until: Jan 25, 2026 17:00
