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Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Hazardous Weather Conditions

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Clear

39°F

4°C

Humidity 86%
Wind Speed N 3 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 36°F (2°C)
Visibility 7.00 mi
Last update 20 Feb 05:00 AM PST
Extended Forecast for

Hillsborough CA

Cold Weather Advisory until February 20, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until February 20, 09:00am

    NOW until 9:00am Fri

    Cold Weather Advisory

  • Overnight

    Low: 40 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 54. Light and variable wind.

    High: 54 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 40. Calm wind becoming southeast around 5 mph after midnight.

    Low: 40 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 59. South wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 59 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain after 10pm. Partly cloudy, with a low around 50. South southeast wind 11 to 14 mph, with gusts as high as 25 mph.

    Low: 50 °F

    Chance Rain

  • Sunday

    Sunday: A 40 percent chance of rain. Partly sunny, with a high near 64.

    High: 64 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Slight Chance
    Rain

  • Monday

    Monday: A chance of rain, mainly after 4pm. Mostly cloudy, with a high near 65.

    High: 65 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 40. Light northwest wind.
Friday
Partly sunny, with a high near 54. Light and variable wind.
Friday Night
Partly cloudy, with a low around 40. Calm wind becoming southeast around 5 mph after midnight.
Saturday
Mostly sunny, with a high near 59. South wind 6 to 14 mph, with gusts as high as 22 mph.
Saturday Night
A 30 percent chance of rain after 10pm. Partly cloudy, with a low around 50. South southeast wind 11 to 14 mph, with gusts as high as 25 mph.
Sunday
A 40 percent chance of rain. Partly sunny, with a high near 64.
Sunday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 51.
Monday
A chance of rain, mainly after 4pm. Mostly cloudy, with a high near 65.
Monday Night
Rain likely, mainly after 10pm. Cloudy, with a low around 54.
Tuesday
Rain. Cloudy, with a high near 61.
Tuesday Night
Rain likely. Cloudy, with a low around 51.
Wednesday
Rain likely. Mostly cloudy, with a high near 63.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 51.
Thursday
A chance of rain. Mostly cloudy, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hillsborough CA
 37.55°N 122.35°W (Elev. 197 ft)
Last Update:
12:32 am PST Feb 20, 2026
Forecast Valid:
5am PST Feb 20, 2026-6pm PST Feb 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation