Critical Fire Weather in the High Plains; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central and southern High Plains Wednesday. Two Pacific storms will continue impacting the mountains of the western U.S. into Thursday with gusty winds and heavy snow. Heavy snow and gusty winds will continue to impact the northern Plains into the central Great Lakes Wednesday. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

Lat: 37.61961°NLon: 122.36558°WElev: 10.0ft.

Partly Cloudy

43°F

6°C

Humidity 81%
Wind Speed N 0 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 18 Feb 03:20 AM PST
Extended Forecast for

San Mateo CA

  • Overnight

    Overnight: A 30 percent chance of rain, mainly between 4am and 5am.  Partly cloudy, with a low around 42. Northwest wind around 5 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain, mainly before 11am.  High near 52. Light and variable wind becoming west northwest 8 to 13 mph in the morning. Winds could gust as high as 21 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Rain then
    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly after 11pm.  Low around 44. Calm wind becoming west northwest 5 to 8 mph after midnight. Winds could gust as high as 22 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 44 °F

    Rain Likely
    then Rain

  • Thursday

    Thursday: Rain, mainly before 10am.  High near 51. West northwest wind 10 to 17 mph, with gusts as high as 28 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain then
    Chance Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain.  Partly cloudy, with a low around 40. Northwest wind 7 to 14 mph, with gusts as high as 21 mph.

    Low: 40 °F

    Slight Chance
    Rain

  • Friday

    Friday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 10 percent chance of rain after 4am.  Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: A chance of rain, mainly after 10am.  Partly sunny, with a high near 57.

    High: 57 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain, mainly after 10pm.  Mostly cloudy, with a low around 51.

    Low: 51 °F

    Rain

Detailed Forecast

Overnight
A 30 percent chance of rain, mainly between 4am and 5am. Partly cloudy, with a low around 42. Northwest wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain, mainly before 11am. High near 52. Light and variable wind becoming west northwest 8 to 13 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain, mainly after 11pm. Low around 44. Calm wind becoming west northwest 5 to 8 mph after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
Rain, mainly before 10am. High near 51. West northwest wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 20 percent chance of rain. Partly cloudy, with a low around 40. Northwest wind 7 to 14 mph, with gusts as high as 21 mph.
Friday
Mostly sunny, with a high near 53.
Friday Night
A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 42.
Saturday
A chance of rain, mainly after 10am. Partly sunny, with a high near 57.
Saturday Night
Rain, mainly after 10pm. Mostly cloudy, with a low around 51.
Sunday
Rain. Cloudy, with a high near 61.
Sunday Night
Rain. Cloudy, with a low around 54.
Monday
Rain. Cloudy, with a high near 61.
Monday Night
Rain. Cloudy, with a low around 52.
Tuesday
Rain. Mostly cloudy, with a high near 61.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
San Mateo CA
 37.58°N 122.33°W (Elev. 33 ft)
2:29 am PST Feb 18, 2026
3am PST Feb 18, 2026-6pm PST Feb 24, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database