Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Clear

52°F

11°C

Humidity 87%
Wind Speed S 4 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 22 Apr 02:00 AM PDT
Extended Forecast for

2 Miles SE Hillsborough CA

  • Overnight

    Overnight: A chance of rain, mainly between 3am and 5am, then a chance of showers and thunderstorms after 5am.  Mostly cloudy, with a low around 49. South southwest wind 3 to 5 mph.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Rain and thunderstorms likely before 1pm, then a slight chance of showers and thunderstorms between 1pm and 2pm.  Mostly cloudy, then gradually becoming sunny, with a high near 66. Light and variable wind becoming west northwest 5 to 7 mph in the morning.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Showers
    Likely then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48. West northwest wind around 6 mph becoming calm  in the evening.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50. West northwest wind 5 to 10 mph becoming light west  after midnight.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of rain, mainly between 3am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 49. South southwest wind 3 to 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain and thunderstorms likely before 1pm, then a slight chance of showers and thunderstorms between 1pm and 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 66. Light and variable wind becoming west northwest 5 to 7 mph in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly clear, with a low around 48. West northwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 70. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 50. West northwest wind 5 to 10 mph becoming light west after midnight.
Friday
Partly sunny, with a high near 67.
Friday Night
Mostly cloudy, with a low around 51.
Saturday
Partly sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Partly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Hillsborough CA
 37.54°N 122.32°W (Elev. 194 ft)
1:26 am PDT Apr 22, 2026
2am PDT Apr 22, 2026-6pm PDT Apr 28, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database