National Weather Service Sacramento CA

September 17, 2016 – High pressure over the west coast will bring fair skies and warm temperatures over the next few days. Daytime highs over the weekend are forecast to come in between about 5 and 10 degrees above normal but are not expected to get into record territory. Cooler temperatures are expected through most […]

September 16, 2016 – Dry through the extended period. Above normal temperatures through early next week. Temperatures then return to around normal for the rest of the week. Discussion Upper level high pressure ridge remains over the west coast and will dominate the weather pattern over the next several days. Highs on Thursday came in […]

September 15, 2016 – Dry through the extended period. Near normal daytime temperatures today then above normal through early next week. Cooler temperatures next week with breezy north winds at times. Discussion High pressure over the eastern Pacific and west coast bringing fair skies across the CWA. Marine layer remains minimal with satellite fog product […]

September 14, 2016 – Temperatures will be making a rapid warm up over the next couple of days as high pressure builds over the west coast. Temperatures will then level off over the weekend with daily high temperatures coming in a few to several degrees above normal. Upper low pressure system over the eastern Great […]

September 13, 2016 – Unseasonably cool today with scattered mountain showers and thunderstorms. Dry with temperatures returning to above average after mid-week. Discussion Satellite imagery shows the upper low center now south of the Sacramento area, moving a little faster than models have been projecting. Most of the valley is currently cloud-free while areal coverage […]

September 12, 2016 – Cooling trend early this week with a few mountain showers or thunderstorms. Dry with temperatures warming back above average after mid-week. Red Flag Warning from 2 PM this afternoon to 11 AM PDT Tuesday for Eastern Mendocino NF-Eastern Portion of Shasta/Trinity NF- Northern Sacramento Valley to Southern Tehama County Line Below […]

September 11, 2016 – Cooling trend through Tuesday with a slight chance of mountain showers or thunderstorms. Dry Wednesday through Saturday with temperatures warming back above normal by the end of the week. Red Flag Warning from 2 PM Monday to 11 AM PDT Tuesday for Eastern Mendocino NF-Eastern Portion of Shasta/Trinity NF- Northern Sacramento […]

September 10, 2016 – Above normal temperatures continue today, then cooling trend Sunday through Tuesday with a slight chance of mountain showers or thunderstorms. Dry Wednesday through Saturday with warming back above normal. Discussion High pressure will continue today with temperatures remaining above normal. They should generally be near yesterdays highs for most areas with […]

September 9, 2016 – Dry with above normal temperatures today and Saturday. Temperatures cooling to below normal early to middle of next week. A slight threat of Sierra crest thunderstorms Monday and Tuesday. Discussion Building high pressure over the eastern Pacific and west coast bringing fair skies to the CWA this morning. Satellite fog product […]

September 8, 2016 – Dry with above normal temperatures through the end of the week. Hazy at times due to fire smoke. Cooling to a little below normal early to middle of next week. A slight threat of Sierra crest thunderstorms Monday and Tuesday. Discussion Slightly breezier conditions and a warmer airmass bringing in early […]

September 7, 2016 – Dry with above normal temperatures through the end of the week. Hazy at times due to fire smoke. Cooling to a little below normal early next week. A slight threat of Sierra crest thunderstorms by the middle of next week. Discussion Flat high pressure will remain over the eastern Pacific and […]

September 6, 2016 – Warm and dry weather through the week as strong ridging over the eastern Pacific results in northwesterly flow aloft over NorCal and a return to above average temperatures. There will be periods of breezy north to east winds at times over the northern half of the Sacramento Valley and surrounding terrain, […]

September 5, 2016 – Clear skies across the region early this morning as the weekend trough departs further to the east. Temperatures are running pretty similar to 24 hours ago and generally range from the 30s in the colder mountain valleys to the 50s to mid 60s elsewhere. Warming returns to the region today as […]

September 3, 2016 – An upper level disturbance will pass over the west this weekend, which will bring below normal temperatures and slight chances for showers in mountain portions of northeast California. The disturbance moves east starting Labor day as an upper level high pressure system brings a return of near to slightly above normal […]

September 1, 2016 – Dry weather with a little below average temperatures through early next week. Warming to a little above normal the second half of next week. Locally breezy at times, mainly in the Delta and over ridgetops. Discussion Upper trough over the west coast will bring cool onshore flow and a little below […]

August 31, 2016 – Dry weather with below average temperatures this week. Locally breezy at times, mainly in the Delta and over ridgetops. Discussion Temperatures are running a few degrees warmer early this morning compared to 24 hours ago, as high cloudiness associated with a weak disturbance moved across the area overnight. Marine layer is […]

August 30, 2016 – Dry weather with below average temperatures this week. Locally breezy at times. Discussion Mostly cloudy skies across interior NorCal early this morning as high-level moisture moves northward ahead of the low off the BC coast. Steady onshore flow continues through the Delta with winds gusting above 20 kts at KSUU, but […]

August 29, 2016 – Below normal temperatures and locally breezy this week. Mostly dry except for isolated showers over the Coast Range early Tuesday. Discussion High clouds, originating from Tropical Storm Madeline to the east of Hawaii, are moving into NorCal early this morning as flow aloft becomes more southwesterly ahead of the developing trough […]

August 26, 2016 – Dry weather pattern with near normal temperatures for the rest of the week. Discussion Quiet weather pattern continues for interior NorCal the next several days other than the Sierra south of Tahoe possibly seeing an isolated storm or two pop late today. Currently, the marine layer is around 2500 ft deep […]

August 25, 2016 – Dry weather pattern with near normal temperatures for the rest of the week. Short term discussion (Today through Sunday) A short wave currently over southern Oregon, which is evident in water vapor imagery, will be dropping south and east into Nevada today. Considering moisture is limited and the forcing from this […]