Arnold, CA…The Heat Warnings & Forecasts for our area is below.  Detailed forecast for West Slope Northern Sierra Nevada. Today, Sunny. Highs 65 to 80 higher elevations…76 to 86 lower elevations. Prevailing southeast winds up to 10 mph shifting to the southwest in the afternoon.

Tonight
Clear. Lows 43 to 58 higher elevations…53 to 67 lower elevations. Prevailing west winds up to 10 mph shifting to the east after midnight.

Tuesday
Sunny, warmer. Highs 67 to 82 higher elevations… 80 to 90 lower elevations. Prevailing southeast winds up to 10 mph shifting to the southwest in the afternoon.

Tuesday Night
Clear. Lows 43 to 58 higher elevations…53 to 68 lower elevations. Prevailing west winds up to 10 mph shifting to the east after midnight.

Wednesday
Sunny. Highs 67 to 82 higher elevations…79 to 91 lower elevations. Prevailing southeast winds up to 10 mph shifting to the southwest in the afternoon.

Wednesday Night
Clear. Lows 47 to 62.

Thursday
Sunny, warmer. Highs 74 to 89.

Thursday Night Through Friday Night
Clear. Lows 53 to 68. Highs 77 to 92.

Saturday Through Sunday
Clear. Highs 84 to 99. Lows 57 to 72.

Detailed forecast for
Motherlode

Today
Sunny. Highs 80 to 90. Light winds becoming west up to 10 mph in the afternoon.

Tonight
Clear. Lows 58 to 66. Prevailing west winds up to 10 mph in the evening becoming light.

Tuesday
Sunny, warmer. Highs 84 to 96. Prevailing east winds up to 10 mph shifting to the southwest in the afternoon.

Tuesday Night
Clear. Lows 59 to 69. Prevailing west winds up to 10 mph shifting to the east after midnight.

Wednesday
Sunny. Highs 85 to 97. Prevailing east winds up to 10 mph shifting to the southwest in the afternoon.

Wednesday Night
Clear. Lows 60 to 68.

Thursday
Sunny. Highs 88 to 98.

Thursday Night And Friday
Clear. Lows 63 to 71. Highs 88 to 103.

Friday Night Through Sunday
Clear. Lows 67 to 81. Highs 94 to 109.

Excessive Heat Watch

URGENT – WEATHER MESSAGE
National Weather Service Sacramento CA
1243 PM PDT Mon Jul 10 2023

CAZ013>019-063-066>069-111300-
/O.NEW.KSTO.EH.A.0002.230714T1800Z-230718T0300Z/
Shasta Lake Area / Northern Shasta County-
Burney Basin / Eastern Shasta County-Northern Sacramento Valley-
Central Sacramento Valley-Southern Sacramento Valley-
Carquinez Strait and Delta-Northern San Joaquin Valley-
Mountains Southwestern Shasta County to Western Colusa County-
Northeast Foothills/Sacramento Valley-Motherlode-
Western Plumas County/Lassen Park-
West Slope Northern Sierra Nevada-
Including the cities of Shasta Dam, Burney, Redding, Red Bluff,
Chico, Oroville, Marysville/Yuba City, Sacramento,
Fairfield/Suisun, Stockton, Modesto, Alder Springs, Paradise,
Grass Valley, Jackson, Chester, Quincy, and Blue Canyon
1243 PM PDT Mon Jul 10 2023

…EXCESSIVE HEAT WATCH IN EFFECT FROM LATE FRIDAY MORNING
THROUGH EARLY MONDAY EVENING…

* WHAT…Dangerously hot conditions with daytime high temperatures
98 to 113 with overnight lows in the upper 60s to low 80s
possible.

* WHERE…Sacramento Valley, Northern San Joaquin Valley,
Motherlode, Northeast Foothills, Burney Basin, Coastal Range,
Delta, Shasta County Mountains, and portions of the West Slope
Northern Sierra Nevada and Lassen/Western Plumas Counties for
elevations below 4500 feet.

* WHEN…From late Friday morning through early Monday evening.

* IMPACTS…Extreme heat will significantly increase the
potential for heat related illnesses, particularly for those
working or participating in outdoor activities.

* ADDITIONAL DETAILS…Hottest temperatures are expected over the
weekend with widespread Major Heat Risk. Warmest overnight lows
will be in the foothills and northern Sacramento Valley.
Conversely, area waterways will continue to run cold and fast,
creating dangerous conditions for those seeking relief in rivers
and lakes.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

Monitor the latest forecasts and warnings for updates on this
situation. Be prepared to drink plenty of fluids, stay in an air-
conditioned room, stay out of the sun, and check up on relatives
and neighbors.

Young children and pets should never be left unattended in
vehicles under any circumstances. This is especially true during
warm or hot weather when car interiors can reach lethal
temperatures in a matter of minutes.