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Severe Thunderstorms and Heavy Rain in Upper Midwest

A slow moving frontal boundary from the central Pains to the Upper Midwest will bring a potential for severe thunderstorms and heavy rain. Rain amounts of 1-3 inches, with locally heavier amounts can be expected. The threat of severe weather moves into the Ohio Valley and Northeast on Tuesday. Monsoon moisture continues to bring the threat of flash flooding to the Southwest and southern Rockies. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

Lat: 37.61961°NLon: 122.36558°WElev: 10ft.

A Few Clouds

16°C

61°F

Humidity 82%
Wind Speed calm
Barometer 29.94 in
Dewpoint 13°C (55°F)
Visibility 16 km
Last update 21 Aug 3:05 am PDT
Extended Forecast for

San Bruno CA

  • Overnight

    Overnight: Patchy fog.  Otherwise, mostly cloudy, with a low around 15. West wind around 16 km/h.

    Patchy Fog

    Low: 15 °C

  • Monday

    Monday: Patchy fog before 11am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 21. Breezy, with a west wind 14 to 24 km/h increasing to 25 to 35 km/h in the afternoon. Winds could gust as high as 50 km/h.

    Patchy Fog
    then Mostly
    Sunny and
    Breezy

    High: 21 °C

  • Monday
    Night

    Monday Night: Patchy fog after 11pm.  Otherwise, partly cloudy, with a low around 15. West wind 24 to 29 km/h decreasing to 14 to 19 km/h after midnight. Winds could gust as high as 40 km/h.

    Patchy Fog

    Low: 15 °C

  • Tuesday

    Tuesday: Patchy fog before 11am.  Otherwise, mostly sunny, with a high near 21. West wind 18 to 23 km/h increasing to 27 to 32 km/h in the afternoon. Winds could gust as high as 45 km/h.

    Patchy Fog
    then Mostly
    Sunny

    High: 21 °C

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 14. West wind 27 to 32 km/h decreasing to 18 to 23 km/h in the evening. Winds could gust as high as 45 km/h.

    Partly Cloudy

    Low: 14 °C

  • Wednesday

    Wednesday: Mostly sunny, with a high near 20.

    Mostly Sunny

    High: 20 °C

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 14.

    Partly Cloudy

    Low: 14 °C

  • Thursday

    Thursday: Mostly sunny, with a high near 20.

    Mostly Sunny

    High: 20 °C

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 13.

    Partly Cloudy

    Low: 13 °C

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 15. West wind around 16 km/h.
Monday
Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 21. Breezy, with a west wind 14 to 24 km/h increasing to 25 to 35 km/h in the afternoon. Winds could gust as high as 50 km/h.
Monday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 15. West wind 24 to 29 km/h decreasing to 14 to 19 km/h after midnight. Winds could gust as high as 40 km/h.
Tuesday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 21. West wind 18 to 23 km/h increasing to 27 to 32 km/h in the afternoon. Winds could gust as high as 45 km/h.
Tuesday Night
Partly cloudy, with a low around 14. West wind 27 to 32 km/h decreasing to 18 to 23 km/h in the evening. Winds could gust as high as 45 km/h.
Wednesday
Mostly sunny, with a high near 20.
Wednesday Night
Partly cloudy, with a low around 14.
Thursday
Mostly sunny, with a high near 20.
Thursday Night
Partly cloudy, with a low around 13.
Friday
Sunny, with a high near 21.
Friday Night
Mostly clear, with a low around 13.
Saturday
Sunny, with a high near 21.
Saturday Night
Mostly clear, with a low around 14.
Sunday
Sunny, with a high near 21.
Click Map For Forecast
Point Forecast:
San Bruno CA
 37.64°N 122.4°W (Elev. 15 m)
2:51 am PDT Aug 21, 2017
3am PDT Aug 21, 2017-6pm PDT Aug 27, 2017
 
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