593
FPUS56 KSTO 180723
ZFPSTO

Interior Northern California Zone Forecasts for California
National Weather Service Sacramento CA
1223 AM 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
1223 AM PDT Mon Aug 18 2025

.TODAY...Sunny. Highs 69 to 84 higher elevations...80 to 88 lower
elevations. Prevailing southwest 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 74 to 89 higher elevations...
84 to 94 lower elevations. Light winds becoming south up to
10 mph in the afternoon.
.TUESDAY NIGHT...Clear. Lows 48 to 63 higher elevations...57 to
67 lower elevations. Prevailing south winds up to 10 mph in the
evening becoming light.
.WEDNESDAY...Sunny, warmer. Highs 80 to 95 higher elevations...
90 to 100 lower elevations. Light winds.
.WEDNESDAY NIGHT...Clear. Lows 54 to 69.
.THURSDAY...Sunny, warmer. Highs 89 to 104.
.THURSDAY NIGHT THROUGH SUNDAY...Clear. Lows 59 to 74. Highs
88 to 103.

&&
                        TEMPERATURE  /  PRECIPITATION
SHASTA DAM             86   62   91  /   0    0    0


$$
=

CAZ014-182300-
Burney Basin / Eastern Shasta County-
Including the city of Burney
1223 AM 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 40 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 54. 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 44 to 57.
.THURSDAY...Sunny, warmer. Highs 86 to 98.
.THURSDAY NIGHT AND FRIDAY...Clear. Lows 50 to 61. Highs 86 to
99.
.FRIDAY NIGHT...Mostly clear. Lows 52 to 65.
.SATURDAY THROUGH SUNDAY...Clear. Highs 84 to 98. Lows 51 to 65.

&&
                        TEMPERATURE  /  PRECIPITATION
BURNEY                 80   44   83  /   0    0    0


$$
=

CAZ015-182300-
Northern Sacramento Valley-
Including the cities of Redding and Red Bluff
1223 AM PDT Mon Aug 18 2025

.TODAY...Sunny. Highs around 86. Southeast winds up to 10 mph.
Gusts up to 20 mph in the afternoon.
.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 around 91. 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 96. Light winds.
.WEDNESDAY NIGHT...Clear. Lows 64 to 72.
.THURSDAY...Sunny. Highs 99 to 105.
.THURSDAY NIGHT THROUGH SUNDAY...Clear. Lows 66 to 75. Highs
99 to 105.

&&
                        TEMPERATURE  /  PRECIPITATION
REDDING                88   57   93  /   0    0    0
RED BLUFF              87   59   92  /   0    0    0


$$
=

CAZ016-182300-
Central Sacramento Valley-
Including the cities of Chico, Oroville, and Marysville/Yuba City
1223 AM PDT Mon Aug 18 2025

.TODAY...Sunny. Highs around 84. Southeast winds up to 10 mph.
.TONIGHT...Clear. Lows 54 to 60. Southeast winds up to 10 mph.
.TUESDAY...Sunny. Highs around 88. 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 94. Light winds.
.WEDNESDAY NIGHT...Clear. Lows 61 to 69.
.THURSDAY...Sunny. Highs around 99.
.THURSDAY NIGHT...Clear. Lows 64 to 72.
.FRIDAY...Mostly sunny. Highs around 100.
.FRIDAY NIGHT THROUGH SUNDAY...Clear. Lows 63 to 73. Highs around
98.

&&
                        TEMPERATURE  /  PRECIPITATION
CHICO                  86   62   90  /   0    0    0
OROVILLE               86   60   90  /   0    0    0
MARYSVILLE/YUBA CITY   86   57   90  /   0    0    0


$$
=

CAZ017-182300-
Southern Sacramento Valley-
Including the city of Sacramento
1223 AM PDT Mon Aug 18 2025

.TODAY...Sunny. Highs 83 to 89. South winds up to 10 mph.
.TONIGHT...Clear. Lows 52 to 60. South winds up to 10 mph with
gusts to around 20 mph.
.TUESDAY...Sunny. Highs 85 to 91. Southwest winds up to 10 mph.
.TUESDAY NIGHT...Clear. Lows 54 to 62. South winds up to 10 mph.
.WEDNESDAY...Sunny. Highs 92 to 98. Light winds.
.WEDNESDAY NIGHT...Clear. Lows 59 to 69.
.THURSDAY...Sunny. Highs 97 to 103.
.THURSDAY NIGHT THROUGH SATURDAY NIGHT...Clear. Lows 61 to 71.
Highs 94 to 104.
.SUNDAY...Sunny. Highs 91 to 99.

&&
                        TEMPERATURE  /  PRECIPITATION
SACRAMENTO             87   58   89  /   0    0    0
SAC EXEC AIRPORT       86   56   88  /   0    0    0


$$
=

CAZ018-182300-
Carquinez Strait and Delta-
Including the city of Fairfield/Suisun
1223 AM 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 53 to 59. Southwest winds 10 to 15 mph
with gusts to around 25 mph.
.TUESDAY...Sunny. Highs 80 to 86. West winds 10 to 15 mph.
.TUESDAY NIGHT...Clear. Lows around 56. Southwest winds 10 to
15 mph with gusts to around 25 mph.
.WEDNESDAY...Sunny, warmer. Highs 88 to 94. West winds up to
10 mph with gusts to around 20 mph.
.WEDNESDAY NIGHT...Clear. Lows 58 to 64.
.THURSDAY...Sunny. Highs 93 to 99.
.THURSDAY NIGHT THROUGH SATURDAY NIGHT...Clear. Lows 58 to 66.
Highs 91 to 97.
.SUNDAY...Sunny. Highs 85 to 91.

&&
                        TEMPERATURE  /  PRECIPITATION
FAIRFIELD/SUISUN       86   55   87  /   0    0    0


$$
=

CAZ019-182300-
Northern San Joaquin Valley-
Including the cities of Stockton and Modesto
1223 AM 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 54 to 62. Northwest winds up to 10 mph
with gusts to around 20 mph.
.TUESDAY...Sunny. Highs 84 to 90. Northwest winds up to 10 mph
with gusts to around 20 mph.
.TUESDAY NIGHT...Clear. Lows 54 to 62. Northwest winds up to
10 mph with gusts to around 20 mph.
.WEDNESDAY...Sunny. Highs 90 to 96. Northwest winds up to 15 mph.
.WEDNESDAY NIGHT...Clear. Lows 59 to 69.
.THURSDAY...Sunny. Highs 95 to 101.
.THURSDAY NIGHT...Mostly clear. Lows 63 to 73.
.FRIDAY THROUGH SUNDAY...Clear. Highs 93 to 103. Lows 63 to 73.

&&
                        TEMPERATURE  /  PRECIPITATION
STOCKTON               89   56   91  /   0    0    0
MODESTO                87   60   89  /   0    0    0


$$
=

CAZ063-182300-
Mountains Southwestern Shasta County to Western Colusa County-
Including the city of Alder Springs
1223 AM PDT Mon Aug 18 2025

.TODAY...Sunny. Highs 65 to 80 higher elevations...80 to 85 lower
elevations. Light winds becoming southeast up to 10 mph in the
afternoon.
.TONIGHT...Clear. Lows 50 to 62 higher elevations...59 to
67 lower elevations. Prevailing south winds up to 10 mph in the
evening becoming light.
.TUESDAY...Sunny, warmer. Highs 69 to 84 higher elevations...
85 to 91 lower elevations. Light winds becoming east up to 10 mph
in the afternoon.
.TUESDAY NIGHT...Clear. Lows 54 to 66 higher elevations...62 to
70 lower elevations. Prevailing south winds up to 10 mph shifting
to the northwest after midnight.
.WEDNESDAY...Sunny, warmer. Highs 74 to 89 higher elevations...
91 to 96 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 84 to 99.
.THURSDAY NIGHT THROUGH SUNDAY...Clear. Lows 63 to 78. Highs
83 to 98.

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


$$
=

CAZ066-182300-
Northeast Foothills/Sacramento Valley-
Including the city of Paradise
1223 AM PDT Mon Aug 18 2025

.TODAY...Sunny. Highs 75 to 87. Prevailing southwest winds up to
10 mph.
.TONIGHT...Clear. Lows 56 to 66. Prevailing south winds up to
10 mph in the evening becoming light.
.TUESDAY...Sunny. Highs 79 to 91. Light winds becoming southwest
up to 10 mph in the afternoon.
.TUESDAY NIGHT...Clear. Lows 58 to 68. 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 63 to 73.
.THURSDAY...Sunny, warmer. Highs 89 to 103.
.THURSDAY NIGHT THROUGH SUNDAY...Clear. Lows 67 to 79. Highs
88 to 103.

&&
                        TEMPERATURE  /  PRECIPITATION
PARADISE               80   63   83  /   0    0    0


$$
=

CAZ067-182300-
Motherlode-
Including the cities of Grass Valley and Jackson
1223 AM 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 54 to 64. Light winds.
.TUESDAY...Sunny. Highs 82 to 90. Light winds becoming west up to
10 mph in the afternoon.
.TUESDAY NIGHT...Clear. Lows 56 to 66. 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 66 to 78.
Highs 91 to 103.
.SATURDAY NIGHT AND SUNDAY...Clear. Lows 66 to 76. Highs 90 to
100.

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


$$
=

CAZ068-182300-
Western Plumas County/Lassen Park-
Including the cities of Chester and Quincy
1223 AM 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...
76 to 91 lower elevations. Light winds.
.WEDNESDAY NIGHT...Clear. Lows 50 to 65.
.THURSDAY...Sunny, warmer. Highs 80 to 95.
.THURSDAY NIGHT AND FRIDAY...Clear. Lows 56 to 71. Highs 81 to
96.
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 58 to 73. Highs
81 to 96.
.SATURDAY NIGHT...Clear. Lows 57 to 72.
.SUNDAY...Sunny with a slight chance of rain showers. Highs 77 to
92.

&&
                        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
1223 AM 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. Highs 66 to 81 higher elevations...76 to
88 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
67 lower elevations. Prevailing west winds up to 10 mph in the
evening becoming light.
.WEDNESDAY...Sunny, warmer. Highs 70 to 85 higher elevations...
82 to 92 lower elevations. Prevailing east winds up to 10 mph
shifting to the west in the afternoon.
.WEDNESDAY NIGHT...Clear. Lows 51 to 66.
.THURSDAY...Sunny, warmer. Highs 78 to 93.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Lows 58 to
73. Highs 79 to 94.
.SATURDAY...Partly cloudy with a slight chance of showers and
thunderstorms. Highs 78 to 93.
.SATURDAY NIGHT...Partly cloudy with a slight chance of rain
showers. Lows 57 to 72.
.SUNDAY...Partly cloudy with a slight chance of showers and
thunderstorms. Highs 76 to 91.

&&
                        TEMPERATURE  /  PRECIPITATION
BLUE CANYON            73   58   76  /   0    0    0


$$
=