136
FPUS56 KSTO 181942
ZFPSTO

Interior Northern California Zone Forecasts for California
National Weather Service Sacramento CA
1241 PM PDT Mon Aug 18 2025

Spot temperatures and probabilities of measurable precipitation
are for today, tonight, and Tuesday.


CAZ013-182300-
Shasta Lake Area / Northern Shasta County-
Including the city of Shasta Dam
1241 PM PDT Mon Aug 18 2025

.TODAY...Sunny. Highs 69 to 84 higher elevations...80 to 88 lower
elevations. Prevailing south winds up to 10 mph.
.TONIGHT...Clear. Lows 46 to 61 higher elevations...55 to
65 lower elevations. Light winds. Gusts up to 20 mph.
.TUESDAY...Sunny, warmer. Highs 75 to 90 higher elevations...
86 to 94 lower elevations. Light winds becoming south up to
10 mph in the afternoon.
.TUESDAY NIGHT...Clear. Lows 49 to 64 higher elevations...57 to
67 lower elevations. Prevailing southwest winds up to 10 mph in
the evening becoming light.
.WEDNESDAY...Sunny, warmer. Highs 80 to 95 higher elevations...
92 to 100 lower elevations. Light winds.
.WEDNESDAY NIGHT...Clear. Lows 54 to 69.
.THURSDAY...Sunny, warmer. Highs 89 to 104.
.THURSDAY NIGHT...Clear. Lows 57 to 72.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs 88 to 103. Lows
58 to 73.
.SATURDAY THROUGH SUNDAY...Clear. Highs 88 to 103. Lows 60 to 75.

&&
                        TEMPERATURE  /  PRECIPITATION
SHASTA DAM             86   62   92  /   0    0    0


$$
=

CAZ014-182300-
Burney Basin / Eastern Shasta County-
Including the city of Burney
1241 PM PDT Mon Aug 18 2025

.TODAY...Sunny. Highs 73 to 82. Light winds becoming west up to
10 mph in the afternoon.
.TONIGHT...Clear. Lows 39 to 53. Prevailing west winds up to
10 mph in the evening becoming light.
.TUESDAY...Sunny. Highs 76 to 86. Light winds becoming west up to
10 mph in the afternoon.
.TUESDAY NIGHT...Clear. Lows 41 to 55. Prevailing west winds up
to 10 mph with gusts to around 25 mph in the evening becoming
light.
.WEDNESDAY...Sunny. Highs 79 to 91. Light winds.
.WEDNESDAY NIGHT...Clear. Lows 45 to 59.
.THURSDAY...Sunny, warmer. Highs 86 to 99.
.THURSDAY NIGHT...Clear. Lows 51 to 63.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs 87 to 98. Lows
51 to 65.
.SATURDAY THROUGH SUNDAY...Clear. Highs 84 to 99. Lows 52 to 65.

&&
                        TEMPERATURE  /  PRECIPITATION
BURNEY                 80   44   84  /   0    0    0


$$
=

CAZ015-182300-
Northern Sacramento Valley-
Including the cities of Redding and Red Bluff
1241 PM PDT Mon Aug 18 2025

.TODAY...Sunny. Highs around 86. Southeast winds up to 10 mph
with gusts to around 20 mph.
.TONIGHT...Clear. Lows 56 to 64. South winds up to 10 mph with
gusts to around 20 mph in the evening becoming light.
.TUESDAY...Sunny. Highs 88 to 94. Light winds becoming south up
to 10 mph in the afternoon.
.TUESDAY NIGHT...Clear. Lows 59 to 67. South winds up to 10 mph
in the evening becoming light.
.WEDNESDAY...Sunny. Highs around 97. North winds up to 10 mph.
.WEDNESDAY NIGHT...Clear. Lows 64 to 72.
.THURSDAY...Sunny. Highs 100 to 106.
.THURSDAY NIGHT...Clear. Lows 67 to 75.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs 100 to 106. Lows
67 to 75.
.SATURDAY THROUGH SUNDAY...Clear. Highs 97 to 106. Lows 68 to 75.

&&
                        TEMPERATURE  /  PRECIPITATION
REDDING                88   57   93  /   0    0    0
RED BLUFF              87   60   92  /   0    0    0


$$
=

CAZ016-182300-
Central Sacramento Valley-
Including the cities of Chico, Oroville, and Marysville/Yuba City
1241 PM PDT Mon Aug 18 2025

.TODAY...Sunny. Highs around 85. Southeast winds up to 10 mph.
.TONIGHT...Clear. Lows 53 to 61. Southeast winds up to 10 mph.
.TUESDAY...Sunny. Highs around 89. Light winds becoming south up
to 10 mph in the afternoon.
.TUESDAY NIGHT...Clear. Lows 56 to 64. Southeast winds up to
10 mph.
.WEDNESDAY...Sunny. Highs around 95. Northwest winds up to
10 mph.
.WEDNESDAY NIGHT...Clear. Lows 62 to 70.
.THURSDAY...Sunny. Highs around 100.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 65 to 73. Highs
around 101.
.FRIDAY NIGHT THROUGH SUNDAY...Clear. Lows 64 to 74. Highs around
100.

&&
                        TEMPERATURE  /  PRECIPITATION
CHICO                  86   62   91  /   0    0    0
OROVILLE               86   59   90  /   0    0    0
MARYSVILLE/YUBA CITY   86   56   90  /   0    0    0


$$
=

CAZ017-182300-
Southern Sacramento Valley-
Including the city of Sacramento
1241 PM PDT Mon Aug 18 2025

.TODAY...Sunny. Highs 83 to 89. South winds up to 10 mph with
gusts to around 20 mph.
.TONIGHT...Clear. Lows 51 to 61. South winds up to 10 mph with
gusts to around 20 mph.
.TUESDAY...Sunny. Highs 86 to 92. South winds up to 10 mph.
.TUESDAY NIGHT...Clear. Lows 54 to 63. South winds up to 10 mph
with gusts to around 20 mph.
.WEDNESDAY...Sunny. Highs 93 to 99. Northwest winds up to 10 mph.
.WEDNESDAY NIGHT...Clear. Lows 60 to 70.
.THURSDAY...Sunny. Highs 97 to 103.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 62 to 72. Highs
97 to 104.
.FRIDAY NIGHT THROUGH SUNDAY...Clear. Lows 61 to 71. Highs 94 to
104.

&&
                        TEMPERATURE  /  PRECIPITATION
SACRAMENTO             87   58   90  /   0    0    0
SAC EXEC AIRPORT       86   56   89  /   0    0    0


$$
=

CAZ018-182300-
Carquinez Strait and Delta-
Including the city of Fairfield/Suisun
1241 PM PDT Mon Aug 18 2025

.TODAY...Sunny. Highs 79 to 85. West winds 10 to 15 mph with
gusts to around 25 mph.
.TONIGHT...Clear. Lows 52 to 58. Southwest winds 10 to 15 mph
with gusts to around 25 mph.
.TUESDAY...Sunny. Highs 81 to 87. West winds 10 to 15 mph.
.TUESDAY NIGHT...Clear. Lows around 57. Southwest winds 10 to
15 mph with gusts to around 25 mph.
.WEDNESDAY...Sunny. Highs 88 to 94. West winds up to 10 mph with
gusts to around 20 mph.
.WEDNESDAY NIGHT...Clear. Lows 59 to 65.
.THURSDAY...Sunny. Highs 93 to 99.
.THURSDAY NIGHT...Mostly clear. Lows 60 to 66.
.FRIDAY THROUGH SUNDAY...Clear. Highs 90 to 96. Lows 57 to 67.

&&
                        TEMPERATURE  /  PRECIPITATION
FAIRFIELD/SUISUN       86   55   88  /   0    0    0


$$
=

CAZ019-182300-
Northern San Joaquin Valley-
Including the cities of Stockton and Modesto
1241 PM PDT Mon Aug 18 2025

.TODAY...Sunny. Highs 81 to 89. Northwest winds up to 10 mph with
gusts to around 20 mph.
.TONIGHT...Clear. Lows 55 to 63. Northwest winds up to 10 mph
with gusts to around 20 mph.
.TUESDAY...Sunny. Highs 85 to 91. Northwest winds up to 10 mph
with gusts to around 20 mph.
.TUESDAY NIGHT...Clear. Lows 54 to 64. Northwest winds up to
15 mph.
.WEDNESDAY...Sunny. Highs 91 to 97. Northwest winds up to 15 mph.
.WEDNESDAY NIGHT...Clear. Lows 60 to 70.
.THURSDAY...Sunny. Highs 96 to 102.
.THURSDAY NIGHT...Mostly clear. Lows 64 to 74.
.FRIDAY THROUGH SUNDAY...Clear. Highs 94 to 104. Lows 64 to 74.

&&
                        TEMPERATURE  /  PRECIPITATION
STOCKTON               89   56   91  /   0    0    0
MODESTO                88   61   90  /   0    0    0


$$
=

CAZ063-182300-
Mountains Southwestern Shasta County to Western Colusa County-
Including the city of Alder Springs
1241 PM PDT Mon Aug 18 2025

.TODAY...Sunny. Highs 65 to 80 higher elevations...80 to 85 lower
elevations. Prevailing northeast winds up to 10 mph shifting to
the southeast in the afternoon.
.TONIGHT...Clear. Lows 51 to 63 higher elevations...59 to
67 lower elevations. Prevailing south winds up to 10 mph in the
evening becoming light.
.TUESDAY...Sunny, warmer. Highs 70 to 85 higher elevations...
86 to 91 lower elevations. Light winds becoming southeast up to
10 mph in the afternoon.
.TUESDAY NIGHT...Clear. Lows 55 to 67 higher elevations...63 to
71 lower elevations. Prevailing southwest winds up to 10 mph
shifting to the northwest after midnight.
.WEDNESDAY...Sunny, warmer. Highs 75 to 90 higher elevations...
91 to 97 lower elevations. Prevailing northwest winds up to
10 mph shifting to the northeast in the afternoon.
.WEDNESDAY NIGHT...Clear. Lows 61 to 76.
.THURSDAY...Sunny, warmer. Highs 85 to 100.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Lows 64 to
79. Highs 85 to 100.
.SATURDAY THROUGH SUNDAY...Clear. Highs 83 to 98. Lows 64 to 79.

&&
                        TEMPERATURE  /  PRECIPITATION
ALDER SPRINGS          72   56   76  /   0    0    0


$$
=

CAZ066-182300-
Northeast Foothills/Sacramento Valley-
Including the city of Paradise
1241 PM PDT Mon Aug 18 2025

.TODAY...Sunny. Highs 75 to 87. Light winds becoming southwest up
to 10 mph in the afternoon.
.TONIGHT...Clear. Lows 56 to 66. Prevailing south winds up to
10 mph in the evening becoming light.
.TUESDAY...Sunny, warmer. Highs 80 to 92. Light winds becoming
southwest up to 10 mph in the afternoon.
.TUESDAY NIGHT...Clear. Lows 59 to 69. Prevailing south winds up
to 10 mph in the evening becoming light.
.WEDNESDAY...Sunny, warmer. Highs 85 to 97. Light winds.
.WEDNESDAY NIGHT...Clear. Lows 64 to 74.
.THURSDAY...Sunny, warmer. Highs 90 to 104.
.THURSDAY NIGHT...Clear. Lows 67 to 79.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs 91 to 103. Lows
67 to 80.
.SATURDAY THROUGH SUNDAY...Clear. Highs 89 to 103. Lows 68 to 80.

&&
                        TEMPERATURE  /  PRECIPITATION
PARADISE               80   64   84  /   0    0    0


$$
=

CAZ067-182300-
Motherlode-
Including the cities of Grass Valley and Jackson
1241 PM PDT Mon Aug 18 2025

.TODAY...Sunny. Highs 77 to 87. Light winds becoming southwest up
to 10 mph in the afternoon.
.TONIGHT...Clear. Lows 55 to 65. Light winds.
.TUESDAY...Sunny. Highs 82 to 90. Light winds becoming west up to
10 mph in the afternoon.
.TUESDAY NIGHT...Clear. Lows 57 to 67. Prevailing west winds up
to 10 mph in the evening becoming light.
.WEDNESDAY...Sunny. Highs 86 to 96. Light winds becoming west up
to 10 mph in the afternoon.
.WEDNESDAY NIGHT...Clear. Lows 62 to 70.
.THURSDAY...Sunny. Highs 91 to 101.
.THURSDAY NIGHT THROUGH SATURDAY...Mostly clear. Lows 67 to 78.
Highs 91 to 103.
.SATURDAY NIGHT AND SUNDAY...Clear. Lows 66 to 76. Highs 90 to
102.

&&
                        TEMPERATURE  /  PRECIPITATION
GRASS VALLEY           80   57   84  /   0    0    0
JACKSON                83   58   86  /   0    0    0


$$
=

CAZ068-182300-
Western Plumas County/Lassen Park-
Including the cities of Chester and Quincy
1241 PM PDT Mon Aug 18 2025

.TODAY...Sunny. Highs 62 to 77 higher elevations...68 to 83 lower
elevations. Prevailing south winds up to 10 mph.
.TONIGHT...Clear. Lows 45 to 60. Prevailing southwest winds up to
10 mph in the evening becoming light.
.TUESDAY...Sunny, warmer. Highs 66 to 81 higher elevations...
72 to 87 lower elevations. Light winds becoming southwest up to
10 mph in the afternoon.
.TUESDAY NIGHT...Clear. Lows 46 to 61. Prevailing southwest winds
up to 10 mph in the evening becoming light.
.WEDNESDAY...Sunny, warmer. Highs 70 to 85 higher elevations...
77 to 92 lower elevations. Light winds.
.WEDNESDAY NIGHT...Clear. Lows 51 to 66.
.THURSDAY...Sunny, warmer. Highs 81 to 96.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Lows 58 to
73. Highs 81 to 96.
.SATURDAY THROUGH SUNDAY...Clear. Highs 80 to 95. Lows 59 to 74.

&&
                        TEMPERATURE  /  PRECIPITATION
QUINCY                 85   42   89  /   0    0    0
CHESTER                80   42   84  /   0    0    0


$$
=

CAZ069-182300-
West Slope Northern Sierra Nevada-
Including the city of Blue Canyon
1241 PM PDT Mon Aug 18 2025

.TODAY...Sunny. Highs 64 to 79 higher elevations...74 to 86 lower
elevations. Prevailing south winds up to 10 mph.
.TONIGHT...Clear. Lows 43 to 58 higher elevations...52 to
66 lower elevations. Prevailing southwest winds up to 10 mph in
the evening becoming light.
.TUESDAY...Sunny, warmer. Highs 66 to 81 higher elevations...
77 to 89 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...52 to
67 lower elevations. Prevailing west winds up to 10 mph in the
evening becoming light.
.WEDNESDAY...Sunny, warmer. Highs 70 to 85 higher elevations...
81 to 93 lower elevations. Prevailing east winds up to 10 mph
shifting to the west in the afternoon.
.WEDNESDAY NIGHT...Clear. Lows 52 to 67.
.THURSDAY...Mostly sunny. Warmer. Highs 79 to 94.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Lows 58 to
73. Highs 80 to 95.
.SATURDAY THROUGH SUNDAY...Partly cloudy with a slight chance of
rain showers. Highs 78 to 93. Lows 58 to 73.

&&
                        TEMPERATURE  /  PRECIPITATION
BLUE CANYON            73   59   76  /   0    0    0


$$
=