Heavy Rain Coming To San Bruno: Detailed Weather Forecast

SAN BRUNO, CA — The Bay Area is expected to be doused with rain this work week, as a storm enters the region, the National Weather Service says.

"An approaching upper level system will result in the potential for widespread rainfall beginning over the North Bay late tonight and across the remainder of the region Tuesday morning," the NWS said Monday morning. "Showers will linger into early Wednesday morning before conditions dry out for the remainder of the week."

Here's the full work-week forecast for San Bruno, courtesy of the National Weather Service:

Monday
A 20 percent chance of showers after 11am. Mostly cloudy, with a high near 68. Light and variable wind becoming west 5 to 10 mph in the afternoon.

Monday Night
A chance of showers, then showers likely and possibly a thunderstorm after 11pm. Some of the storms could produce heavy rainfall. Cloudy, with a low around 59. West southwest wind 5 to 13 mph becoming east after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday
Showers and possibly a thunderstorm before 11am, then showers likely. Some of the storms could produce heavy rainfall. High near 66. Light and variable wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday Night
A 30 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 58. West wind 8 to 15 mph, with gusts as high as 21 mph. New precipitation amounts of less than a tenth of an inch possible.

Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 65. West wind 14 to 17 mph, with gusts as high as 24 mph. New precipitation amounts of less than a tenth of an inch possible.

Wednesday Night
Partly cloudy, with a low around 56.

Thursday
Mostly sunny, with a high near 65.

Thursday Night
Mostly clear, with a low around 55.

Friday
Sunny, with a high near 66.

Friday Night
Mostly clear, with a low around 55.

An upper level system will continue to approach the California coast during the next 24 hours. Rain chances increase late today into Tuesday, yet confidence has decreased on how much rainfall the region will see. Stay tuned... #BayAreaWX #CAwx pic.twitter.com/x7IG8eTQmj
— NWS Bay Area (@NWSBayArea) October 1, 2018

-- Patch file photo by Renee Schiavone