A frontal system is expected to bring wintry precipitation to the Central Appalachians and portions of the Mid-Atlantic into Wednesday, meanwhile, showers and thunderstorms are expected along the Gulf Coast and Southeast. A series of Clipper systems will bring periods of snow to the Northern Plains and Great Lakes over the next several days. Read More >
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719 FXUS66 KMTR 031131 AFDMTR Area Forecast Discussion National Weather Service San Francisco CA 331 AM PST Tue Feb 3 2026 ...New AVIATION, MARINE, BEACHES... .KEY MESSAGES... Updated at 220 AM PST Tue Feb 3 2026 - Above normal temperatures and dry conditions through the work week - Hazardous beach conditions from late Wednesday night through Saturday evening at Pacific Coast beaches - 20 to 40% chance of rain developing north to south on Sunday, with the higher amounts favoring the North Bay and the coastal mountains. && .SHORT TERM... Issued at 220 AM PST Tue Feb 3 2026 (Today and tonight) Another day of warm and dry conditions today as high pressure builds overhead. Temperatures this morning will start out cool once again, mainly in the 40s, thanks to mostly clear skies across the area. Patchy fog in the North and East Bay valleys as well as the southern Salinas Valley will quickly dissipate after sunrise. Light offshore winds this afternoon will boost the warming provided by the ridge and mostly sunny skies, with highs up to 5 degrees warmer than Monday. This will place high temperatures around 5 to 15 degrees above seasonal normals, with mid 60s to lower 70s near the coast and 70s to near 80 inland. Conditions tonight will be very similar to this morning, with lows a couple degrees higher and patchy fog expected in the same general areas. && .LONG TERM... Issued at 220 AM PST Tue Feb 3 2026 (Wednesday through Monday) The warmest day of the period at most locations will be Wednesday as the ridge reaches peak strength and begins to shift east, allowing offshore winds to tick up. This will push highs up a few more degrees from today. On Thursday, highs should cool slightly as the ridge continues to move away. On Friday and Saturday, a weak low will move near the coast and into southern California. Impacts will be minimal, but clouds will increase and winds will turn onshore, continuing the cooling trend. A more significant pattern change will take place Sunday and Monday as a deeper trough moves into the Pacific Northwest. This will bring potential for light precipitation and a cold front as the trough progresses. Latest ensemble guidance has delayed the onset of precipitation, but chances increase increase from north to south through the day Sunday. The chance of rain rises above 20 percent by Sunday morning across the North Bay, Sunday afternoon for the greater SF Bay area, and Sunday evening for the Central Coast. Rain chances continue at around 20 to 40 percent into Monday. As our area remains on the southern fringe of this system, rain amounts are trending light and low impact overall. However, temperatures will cool to near or even slightly below normal, and winds may become locally breezy. && .AVIATION... (12Z TAFS) Issued at 331 AM PST Tue Feb 3 2026 Strong 500 mb high pressure over the forecast area will result in VFR except for patchy morning fog /LIFR-IFR/. Vicinity of SFO...VFR. Light northeast wind becoming light northwest in the afternoon and evening. SFO Bridge Approach...Similar to SFO. Monterey Bay Terminals...VFR. Southeast cool air drainage winds today becoming light and variable mid to late afternoon. Southeast cool air drainage winds redevelop tonight and Wednesday morning. && .MARINE... (Today through Sunday) Issued at 319 AM PST Tue Feb 3 2026 Moderate seas and gentle northerly breezes will persist into midweek. Moderate northwesterly breezes and building seas will result in a return of rough seas late Thursday night and Friday, continuing into the weekend. && .BEACHES... Issued at 319 AM PST Tue Feb 3 2026 A Beach Hazards Statement is in effect from 12 AM PST Thursday to 9 PM PST Saturday at all Pacific Coast beaches. Westerly swell will bring an increased risk for sneaker waves and strong rip currents with breaking waves of 14 to 19 feet. Remember to stay off of jetties, piers, rocks, and other waterside infrastructure, remain out of the water, and never turn your back on the ocean! && .MTR WATCHES/WARNINGS/ADVISORIES... CA...Beach Hazards Statement from late Wednesday night through Saturday evening for CAZ006-505-509-529-530. PZ...None. && $$ SHORT TERM...Tangen LONG TERM....Tangen AVIATION...Canepa MARINE...Canepa Visit us at www.weather.gov/sanfrancisco Follow us on Facebook, X, and YouTube at: www.facebook.com/nwsbayarea x.com/nwsbayarea www.youtube.com/nwsbayarea |
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