Weather

Fall-like conditions carry promise of rain for Sacramento

This NOAA satellite image taken Wednesday, Sept. 16, 2015, at 1:00 AM EDT shows a large area of moderate rain spread across the Pacific Northwest, Great Basin, Intermountain West, and parts of the Rocky Mountains. Embedded thunderstorms are also located over Nevada within some of these rain showers. This activity is developing ahead of an upper level trough that is progressing eastward. More thunderstorm clusters are also developing over parts of the Upper Mississippi River Valley and the Central Plains.
This NOAA satellite image taken Wednesday, Sept. 16, 2015, at 1:00 AM EDT shows a large area of moderate rain spread across the Pacific Northwest, Great Basin, Intermountain West, and parts of the Rocky Mountains. Embedded thunderstorms are also located over Nevada within some of these rain showers. This activity is developing ahead of an upper level trough that is progressing eastward. More thunderstorm clusters are also developing over parts of the Upper Mississippi River Valley and the Central Plains. AP

A fall-like weather system during the summer is expected to move across Northern California Wednesday, spreading welcome precipitation.

The National Weather Service expects rain to extend inland along the Coast Range and northern mountains by mid-day. Then, the weather front is forecast to spread south and east through the Sacramento Valley and northern Sierra Nevada to around Interstate 80 by the evening.

Amounts of precipitation are expected to be light. It is, after all, still summer until Tuesday.

The NWS predicts that precipitation will quickly taper off the more inland the front moves. Most of the Sacramento Valley is expected to see less than a tenth of an inch and the Sierra less than a quarter of an inch.

Gusty winds may continue to affect wildfires in Lake County and the Gold Country, but cooler temperatures, higher humidity and light rainfall will aid containment efforts.

The cool weather system exits the area early Thursday, replaced with dry and warmer weather for the remainder of the week, according to the NWS. High temperatures on the weekend are expected to be 20 degrees warmer than today.

The detailed, 7-day forecast for the Sacramento region from the NWS:

Wednesday: A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 73. South southwest wind 6 to 10 mph.

Tonight: A 30 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 58. South southwest wind 5 to 8 mph becoming calm after midnight. New precipitation amounts of less than a tenth of an inch possible.

Thursday: Sunny, with a high near 81. Light and variable wind becoming northwest 6 to 11 mph in the afternoon.

Thursday night: Mostly clear, with a low around 58. North northwest wind 5 to 9 mph becoming light northwest in the evening.

Friday: Sunny, with a high near 89. Calm wind becoming west northwest around 5 mph in the afternoon.

Friday night: Mostly clear, with a low around 59.

Saturday: Sunny, with a high near 95.

Saturday night: Clear, with a low around 62.

Sunday: Sunny, with a high near 95.

Sunday night: Clear, with a low around 63.

Monday: Sunny, with a high near 95.

Monday night: Mostly clear, with a low around 62.

Tuesday: Sunny, with a high near 93.

Bill Lindelof: 916-321-1079, @Lindelofnews

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