It's supposed to get down to 29℉ here (-2℃).
That's way colder than it normally gets. Granted it's also gotten up to 116℉ (47℃) here.
And where I am it's considered to have very mild weather. We're fucked, but the Dow is at 5,000.
#sfwx
Thunder? In San Jose?
(good thing stuff is wet)
#sfwx
Hail in Diamond Heights this morning! #SFwx
#NWS issues #ExtremeColdWatch when extremely dangerous cold conditions or wind chill is possible, but the occurrence, location, or timing is uncertain.
• Avoid being outside during the coldest part of the day.
• Be sure your car has at least a 1/2 tank of gas.
www.weather.gov/safety/cold-ww
#SFwx
An Extreme Cold Watch has been issued for much of the Bay Area and Central Coast from 1 AM to 9 AM Friday. Ensure portable heaters are working properly and are used correctly, do not use generators or grills inside, & make sure that animals have food, unfrozen water, and warmth. https://www.weather.gov/mtr
#NWS-MYR issues #ExtremeColdWatch for much of #SFBayArea & Central Coast from 1 AM - 9 AM Friday.
• Ensure portable heaters work properly and use them correctly.
• Do not use generators or grills inside.
• Be sure animals have food, unfrozen water, and warmth.
www.weather.gov/mtr
#SFwx #CAwx
#NWS-MTR issues #FloodAdvisory for #SanFrancisco & other areas along I-280 & Hwy 101 from
#SSanFrancisco to #PaloAlto until 7:30pm tonight.
Expect:
* Minor flooding in low-lying & poor drainage areas.
* Water over roadways.
Turn around, don`t drown when encountering flooded roads.
#SFwx #CAwx
NWS-MTR: A Coastal Flood Advisory is in effect through 2 PM Sunday for the Pacific Coast and 3 PM Monday for the San Francisco Bay. Up to 2.0 feet of inundation is possible in low-lying areas near shorelines and tidal waterways. Flooding of lots, parks, and roads is forecast with road closures expected. Coastal infrastructure will be inundated. Do not drive around barricades or through water of unknown depth! https://www.weather.gov/mtr
#NWS-MTR extends #CoastalFloodAdvisory thru 3PM Mon for #SFBay & thru 2 PM Sunday for Pacific Coast. Up to 2.0 ft of inundation is possible in low-lying areas near shorelines & tidal waterways.
Do not drive around barricades or through water of unknown depth!
www.weather.gov/mtr #SFwx #CAwx
NWS-MTR issues Wind Advisory for expected strong southerly winds of 15-25 mph with gusts to 50 mph in the advisory area from Friday afternoon - midday Saturday.
#NWS-MTR issues #WindAdvisory from Fri afternoon - midday Sat in
→ #SanFrancisco
→ East Bay Hills
→ Pacific Coast
→ Monterey & San Benito Cos
→ North Bay Mountains
Strong southerly winds 15-25 mph, gusts to 50 mph expected.
Secure loose items.
Avoid driving in high-profile vehicles.
#SFwx #CAwx
NorCal seven day rain totals map from NWS-MTR. https://x.com/nwsbayarea/status/2004929490049536454?s=46
#NorCal seven-day rain totals map from #NWS-MTR. x.com/nwsbayarea/s...
#SFwx #CAwx
#NWS-MYR issues #FloodAdvisory until 7:15 PM PST in #SanFrancisco.
Impacts:
- Minor flooding in low-lying & poor drainage areas.
- Dangerous flows over low-water crossings/roadways.
Turn around, don’t drown. Do not attempt to cross flooded
roads.
forecast.weather.gov/showsigwx.ph... #SFwx #CAwx
Wind pounding the rain so hard on my window it sounds like hail. #sfwx
![From NWS-MTR:
[8:30 PM] The showers and thunderstorms we've seen over the past few hours were only the opening act, don't let your guard down. The main show comes later tonight into early Christmas morning. Only Santa is immune to weather conditions. Keep your electronics charged! #CAwx
https://x.com/nwsbayarea/status/2004046228062179688?s=46](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:zo6lwwvxgxp6so5qq76spo4o/bafkreielu2mcwneks3ajovl7swnvtbxqoda2p2ow3h4cmhes67fei74uyi)
From NWS-MTR: [8:30 PM] The showers and thunderstorms we've seen over the past few hours were only the opening act, don't let your guard down. The main show comes later tonight into early Christmas morning. Only Santa is immune to weather conditions. Keep your electronics charged! #CAwx https://x.com/nwsbayarea/status/2004046228062179688?s=46
From #NWS-MTR:
“The showers and thunderstorms we've seen over the past few hours were only the opening act, don't let your guard down. The main show comes later tonight into early Christmas morning . . . Keep your electronics charged! #CAwx” #SFwx x.com/nwsbayarea/s...
NWS-MTR Flood Watch has been extended through 10 PM Friday across the North Bay, and has been issued from 10 AM Tuesday through 10 PM Friday for the rest of the Bay Area and Central Coast. Moderate to heavy rain associated with an atmospheric river will bring 2-5" in the valleys, with up to 6-8" in the coastal mountains. Creeks and streams could see rapid rises during and after heavy rainfall. Standing water is likely in urban areas and on low-lying roadways. Remember: Turn around, don't drown! https://www.weather.gov/mtr
#NWS-MTR #FloodWatch thru 10 PM Fri for #SFBayArea, North Bay, & Central Coast. Moderate to heavy rain will bring 2-5" in valleys, 6-8" in coastal mountains. Creeks & streams may rise rapidly in/after heavy rainfall. Standing water likely in urban areas & low-lying roads.
www.weather.gov/mtr #SFwx
#NWS-MTR #WindAdvisory continues through 10 AM Christmas Day for interior portions of North Bay, interior Bay Area, & interior Monterey County. Gusts to 55 mph may occur.
www.weather.gov/mtr
#SFwx #CAwx
NWS-MTR: The High Wind Warning and Wind Advisory have been extended through 10 AM Christmas Day. The High Wind Warning includes the City of San Francisco and interior portions of Monterey County, and exposed coastal zones in the North Bay, SF Peninsula, and Central Coast where wind gusts up to 65 mph are anticipated. A Wind Advisory continues for interior portions of the North Bay, interior Bay Area and interior Monterey County where winds up to 55 mph are expected. https://www.weather.gov/mtr
#NWS-MTR has extended its #HighWindWarning through 10 AM Christmas Day for an area including #SanFrancisco, interior Monterey County, exposed coastal zones in North Bay, SF Peninsula, & Central Coast. Gusts to 65 mph may occur.
www.weather.gov/mtr
#SFwx #CAwx
Home page of #NWS-Monterey. https://www.weather.gov/mtr/?f...
Monitor weather forecasts and be alert for possible Flood
Warnings.
Those in areas prone to flooding should be prepared to take action if flooding develops.
www.weather.gov/mtr/?f...
#NWS-MTR #SFwx #CAwx
#NWS-MTR:
→ Standing water is likely in urban areas.
→ Excessive runoff may result in flooding of rivers, creeks, streams, & other low-lying, flood-prone areas.
→ Creeks and streams may rise out of their banks.
→ Low water crossings may flood.
forecast.weather.gov/showsigwx.ph... #SFwx #CAwx
A Flood Watch has been extended through 10 PM Friday across the North Bay, and has been issued from 10 AM Tuesday through 10 PM Friday for the rest of the Bay Area and Central Coast. Moderate to heavy rain associated with an atmospheric river will bring 2-5" in the valleys, with up to 6-8" in the coastal mountains. Creeks and streams could see rapid rises during and after heavy rainfall. Standing water is likely in urban areas and on low-lying roadways. Remember: Turn around, don't drown! https://www.weather.gov/mtr
#NWS-MTR #FloodWatch in effect thru Friday night in #SanFrancisco, San Mateo Peninsula, East Bay, South Bay, & Central Coast.
Flooding caused by excessive rainfall continues to be possible due to multiple showers & thunderstorms across the area.
www.weather.gov/mtr #SFwx #CAwx
NWS SPC has issued a marginal risk (dark green) of severe thunderstorms and a 2% probability of tornadoes for coastal portions of the Bay Area and Central Coast on Wednesday, December 24th. Have multiple ways to receive warnings and stay weather aware. #CAwx https://www.weather.gov/mtr
#NWS has issued a marginal risk (darker green in graphic) of severe thunderstorms & a 2% probability of tornadoes for coastal portions of #SFBayArea & Central Coast on December 24. Have multiple ways to receive warnings and stay weather aware. #SFwx #CAwx
www.weather.gov/mtr
From NWS-MTR: The High Wind Warning and Wind Advisory have been extended through 8 AM today. The High Wind Warning includes the City of San Francisco and interior portions of Monterey County, and exposed coastal zones in the North Bay, SF Peninsula, and Central Coast where wind gusts up to 65 mph are anticipated. A Wind Advisory continues for interior portions of the North Bay, interior Bay Area and interior Monterey County where winds up to 55 mph are expected. https://www.weather.gov/mtr
#NWS-MTR extends #HighWindWarning for #SanFrancisco thru 8am today.
Wind gusts to 65 mph possible.
www.weather.gov/mtr #SFwx #CAwx
NWS-MTR: High Wind Watch has been upgraded to a High Wind Warning for exposed coastal zones in the North Bay, SF Peninsula, and Central Coast where wind gusts up to 65 mph are anticipated. A Wind Advisory has been issued for interior areas, San Francisco, and Santa Cruz, where wind gusts to 55 mph are expected. https://www.weather.gov/mtr
#NWS-MTR issues #HighWindWarning from 4pm PT Tues - 4am Wed.
* In #SanFrancisco, Salinas & Carmel Valleys & Hollister Area, & Northern Monterey Bay.
* SE winds 20 - 30 mph; gusts to 60 mph expected.
#SFwx #CAwx
#NWS-MTR key messages today (cont’d):
• Very hazardous winds Tues through early Fri along coast & higher elevations inland; power outages likely.
• Dangerous beach & marine conditions late Tues - Fri for all Pacific Coast Beaches.
forecast.weather.gov/product.php?... #SFwx
#NWS-MTR key messages today:
• Flood watch for North Bay thru Fri evening.
• Flood Watch for rest of #SFBayArea & Central Coast begins at 10am PST today.
• Moderate to heavy rain tonight thru Wed morning
. . .
forecast.weather.gov/product.php?... #SFwx
The NWS SPC has issued a marginal risk of severe thunderstorms and a 2% probability of tornadoes for coastal portions of the Bay Area and Central Coast on Wednesday, December 24th. Have multiple ways to receive warnings and stay weather aware tomorrow. https://www.weather.gov/mtr
The #NWS Storm Prediction Center indicates there is a marginal risk of severe #thunderstorms & 2% probability of #tornadoes for coastal portions of #SFBayArea & Central Coast on Wednesday, 12/24th.
Stay weather aware tomorrow.
www.weather.gov/mtr
#SFwx #NWS-MTR
#NWS issues a #FloodAdvisory when confidence is greater than 80% that conditions causing significant inconvenience will occur.
Stay aware and use caution to avoid situations that threaten life or property. #SFwx #CAwx
www.weather.gov/safety/flood...
NWS-MTR Flood Advisory National Weather Service San Francisco CA 813 AM PST Mon Dec 22 2025 CAC075-081-221915- /O.NEW.KMTR.FA.Y.0083.251222T1613Z-251222T1915Z/ /00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ San Francisco CA-San Mateo CA- 813 AM PST Mon Dec 22 2025 ...FLOOD ADVISORY IN EFFECT UNTIL 1115 AM PST THIS MORNING... * WHAT...Urban area and small stream flooding caused by excessive rainfall is expected. * WHERE...Southeastern San Francisco County in northern California... Northern San Mateo County in northern California... * Until 1115 AM PST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 813 AM PST, Doppler radar indicated heavy rain. This will cause urban and small stream flooding. Overflowing poor drainage areas will cause minor flooding in the advisory area. - Some locations that will experience flooding include... San Francisco, Daly City, San Mateo, Redwood City, South San Francisco, San Bruno, Pacifica, Foster City, Burlingame, San Carlos, Belmont, Millbrae, Hillsborough, Atherton, Woodside, Highlands-Baywood Park, North Fair Oaks, Brisbane, Colma and Highlands. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don`t drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. https://forecast.weather.gov/showsigwx.php?warnzone=CAZ006&warncounty=CAC075&firewxzone=CAZ006&local_place1=2%20Miles%20NNE%20Daly%20City%20CA&product1=Flood+Advisory&lat=37.7202&lon=-122.4546
#NWS-MTR issues #FloodAdvisory for SE #SanFrancisco & Northern #SanMateo Counties until 11:15 AM PST today.
Minor flooding in low-lying and poor drainage areas may occur.
Turn around, don`t drown. Do not drive on flooded roads. forecast.weather.gov/showsigwx.ph... #SFwx #CAwx
From NWS-MTR: A Flood Watch has been extended through 10 PM Friday across the North Bay, and has been issued from 10 AM Tuesday through 10 PM Friday for the rest of the Bay Area and Central Coast. Moderate to heavy rain associated with an atmospheric river will bring 2-5" in the valleys, with up to 6-8" in the coastal mountains. Creeks and streams could see rapid rises during and after heavy rainfall. Standing water is likely in urban areas and on low-lying roadways. Remember: Turn around, don't drown! https://www.weather.gov/mtr
#NWS-MTR issues #FloodWatch from 10AM Tuesday - 10PM Friday for #SFBayArea & Central Coast.
2-5" of rain in valleys, 6-8" in coastal mountains.
Creeks & streams may see rapid rise due to heavy rainfall. Standing water likely in urban areas.
Turn around, don't drown!
www.weather.gov/mtr
#SFwx
NWS-MTR High Wind Watch What → Southerly winds 20 - 30 mph, gusts to 60 mph possible Where → San Francisco Bay Area & Central Coast When → 7 p.m. Tuesday - 4 a.m. Wednesday Impacts → Damaging winds could down trees, snap power lines, & cause property damage → Widespread power outages possible → Travel could be extremely difficult & hazardous, especially for high profile vehicles → Combination of wind & moist soils increases risk for downed trees https://www.weather.gov/mtr
#NWS-MTR issues #HighWindWatch for #SanFrancisco & Central Coast
7 pm Tues - 4 am Wed. Southerly winds 20-30 mph, gusts to 60 mph possible
→ Damaging winds could down trees, snap power lines, & damage property
→ Widespread power outages possible
→ Travel may be extremely difficult & hazardous #SFwx
NWS-MTR rain Sat-Mon: Moderate to heavy rain will impact the San Francisco Bay Area, leading to localized flooding of small creeks and streams and across urban areas. https://www.weather.gov/mtr
NWS-MTR rain Mon-Wed: Moderate to heavy rain will impact the San Francisco Bay Area and Central Coast, leading to localized flooding of small creeks and streams and across urban areas. https://www.weather.gov/mtr
NWS-MTR forecast, Wed-Fri: Moderate to heavy rain will impact the San Francisco Bay Area and Central Coast, leading to localized flooding of small creeks and streams and across urban areas. https://www.weather.gov/mtr
#NWS-MTR #SF #BayArea forecast. #BLUF: Rain gear not optional.
- Moderate - heavy rainfall returns this afternoon for Bay Area & Monterey Bay
- Moderate - heavy rainfall through Thursday for Bay Area & Central Coast
- Potentially hazardous wind Tuesday - Thursday
www.weather.gov/mtr #SFwx #CAwx
