London, California 7 Day Weather Forecast

Wx Forecast - Wx Discussion - Wx Aviation

057
FXUS66 KHNX 200633
AFDHNX

Area Forecast Discussion
National Weather Service Hanford CA
Issued by National Weather Service San Diego CA
1133 PM PDT Thu Jun 19 2025

.UPDATE...
Updated Aviation Section.

&&

.KEY MESSAGES...
1. Elevated Fire risk for the West Side Hills on Thursday into
 Friday morning due to winds and low humidity.

2. Red Flag Warning in effect for the Mojave Slopes and Desert
from 8 AM until 11 PM Friday. For the Indian Wells Valley, it is
in effect until 2 AM Saturday.

3. Major cool down on Saturday into Sunday with humidities
recovering especially in the Sierra Nevada.

4. Wind gusts pick up through the weekend. A High Wind Warning
is in effect for the Mojave Slopes from 5 PM Thursday through 2
AM Sunday and a Wind Advisory is in effect for the same time in
the Mojave Desert.

&&

.DISCUSSION...
Warm temperatures continue today, however, winds increase this
afternoon as a large trough begins to slide in. The combination
of the high temperatures, low humidity, and increasing winds
brings an elevated fire risk for the West Side Hills today into
Friday. However, winds will greatly pick up in Eastern Kern
County as a High Wind Warning and Wind Advisory is in effect
until 2 AM Sunday.

Friday brings some cooler temperatures but still gusty winds. A
Red Flag Warning has been issued for the Mojave Slopes and
Desert from 8 AM to 11 PM Friday and for the Indian Wells
Valley from 8 AM Friday to 2 AM Saturday due to low humidities,
hot temperatures, sustained winds of at least 25 mph, and
moderate risk of fires.

The cooler temperatures continue on Saturday and Sunday with
highs in the 80s in the Valley. The minimum humidities will
improve thanks to the cooler temperatures. However, winds will
pick up again on Saturday bringing a chance of another round of
an Elevated Fire risk. Temperatures warm up a tad on Monday and
into next week but with calmer winds.

&&


.AVIATION...
06Z Update:

VFR conditions will prevail for the next 24 hours across the Central
California Interior.

&&

.FIRE WEATHER...
ELEVATED FIRE RISK FOR THURSDAY
RED FLAG WARNING ON FRIDAY FOR THE MOJAVE DESERT, MOJAVE SLOPES,
AND INDIAN WELLS VALLEY.

Minimum RH values of 15 to 25 percent will continue across much
of the region through the rest of the week with localized
higher values in the foothill areas. Some areas of the West Side
Hills can see gusts up to 35 MPH.

A combination of minimum RH values in the single digits and wind
gusts up to 45 MPH in the desert and up to 60 MPH In the Mojave
slopes has led to the issuance of a Red Flag Warning from 8 AM
Friday through 11 PM Friday for the Desert and SLopes and until
2 AM for the Indian Wells Valley.

The Fire risk could be elevated on Saturday due to the wind
gusts despite the humidities improving to around 20 percent.

&&

.AIR QUALITY ISSUES...
None.

&&

.CERTAINTY...

The level of certainty for days 1 and 2 is high.
The level of certainty for days 3 through 7 is medium.

Certainty levels include low...medium...and high. Please visit
www.weather.gov/hnx/certainty.html for additional information
and/or to provide feedback.

&&

.HNX WATCHES/WARNINGS/ADVISORIES...
High Wind Warning from 5 PM this afternoon to 2 AM PDT Sunday
for CAZ338.
Wind Advisory from 5 PM this afternoon to 2 AM PDT Sunday for
CAZ337-339.
Red Flag Warning from 8 AM Friday to 2 AM PDT Saturday for
CAZ298.
Red Flag Warning from 8 AM to 11 PM PDT Friday for CAZ299.
&&

$$

public/aviation......JPK
idss..................EW

weather.gov/hanford