Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Hazardous Weather Conditions

Current conditions at

SAN FRANCISCO DOWNTOWN (SFOC1)

Lat: 37.77056°NLon: 122.42694°WElev: 150.0ft.

NA

83°F

28°C

Humidity 33%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Heat Index82°F (28°C)
Last update 17 Mar 02:43 PM PDT
Extended Forecast for

4 Miles NW San Francisco CA

Heat Advisory March 17, 03:05pm until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 17, 03:05pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79. North northwest wind 5 to 8 mph becoming west in the afternoon.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. West wind 5 to 7 mph.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. North northwest wind 5 to 7 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. West northwest wind 5 to 8 mph.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 57. West wind 5 to 8 mph.
Wednesday
Sunny, with a high near 79. North northwest wind 5 to 8 mph becoming west in the afternoon.
Wednesday Night
Mostly clear, with a low around 59. West wind 5 to 7 mph.
Thursday
Sunny, with a high near 81. North northwest wind 5 to 7 mph.
Thursday Night
Mostly clear, with a low around 61. West northwest wind 5 to 8 mph.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 59.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Mostly sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 66.
Monday Night
Mostly cloudy, with a low around 54.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 64.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW San Francisco CA
 37.81°N 122.48°W (Elev. 0 ft)
1:49 pm PDT Mar 17, 2026
3pm PDT Mar 17, 2026-6pm PDT Mar 24, 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