Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

haze

66°F

19°C

Humidity 59%
Wind Speed WNW 18 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 52°F (11°C)
Visibility 6.00 mi
Last update 14 Mar 03:00 PM PDT
Extended Forecast for

Hillsborough CA

Heat Advisory March 16, 10:00am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Tonight

    Tonight: Mostly clear, with a low around 50. West northwest wind 5 to 10 mph becoming light west  after midnight.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 79. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 84. Calm wind becoming north around 6 mph in the afternoon.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 56. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 56 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 50. West northwest wind 5 to 10 mph becoming light west after midnight.
Sunday
Mostly sunny, with a high near 79. Calm wind becoming north northwest around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 54. Northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 84. Calm wind becoming north around 6 mph in the afternoon.
Monday Night
Clear, with a low around 56. Northwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Clear, with a low around 56.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Sunny, with a high near 80.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Hillsborough CA
 37.55°N 122.35°W (Elev. 197 ft)
1:26 pm PDT Mar 14, 2026
3pm PDT Mar 14, 2026-6pm PDT Mar 21, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database