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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 DOWNTOWN (SFOC1)

Lat: 37.77056°NLon: 122.42694°WElev: 150ft.

NA

17°C

62°F

Humidity 83%
Wind Speed NA
Barometer NA
Dewpoint 14°C (57°F)
Visibility NA
Last update 21 Aug 2:43 am PDT
Extended Forecast for

San Francisco CA

  • Overnight

    Overnight: Patchy fog.  Otherwise, mostly cloudy, with a low around 14. West wind around 11 km/h.

    Patchy Fog

    Low: 14 °C

  • Monday

    Monday: Patchy fog before 11am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 20. West southwest wind 14 to 19 km/h increasing to 24 to 29 km/h in the afternoon. Winds could gust as high as 39 km/h.

    Patchy Fog
    then Mostly
    Sunny

    High: 20 °C

  • Monday
    Night

    Monday Night: Patchy fog after 11pm.  Otherwise, increasing clouds, with a low around 14. West wind 18 to 27 km/h, with gusts as high as 37 km/h.

    Patchy Fog

    Low: 14 °C

  • Tuesday

    Tuesday: Patchy fog before 11am.  Otherwise, mostly sunny, with a high near 20. West wind 16 to 21 km/h increasing to 24 to 29 km/h in the afternoon. Winds could gust as high as 39 km/h.

    Patchy Fog
    then Mostly
    Sunny

    High: 20 °C

  • Tuesday
    Night

    Tuesday Night: Mostly cloudy, with a low around 14. West southwest wind 24 to 29 km/h decreasing to 18 to 23 km/h in the evening. Winds could gust as high as 39 km/h.

    Mostly Cloudy

    Low: 14 °C

  • Wednesday

    Wednesday: Mostly sunny, with a high near 19.

    Mostly Sunny

    High: 19 °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 14. West wind around 11 km/h.
Monday
Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 20. West southwest wind 14 to 19 km/h increasing to 24 to 29 km/h in the afternoon. Winds could gust as high as 39 km/h.
Monday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 14. West wind 18 to 27 km/h, with gusts as high as 37 km/h.
Tuesday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 20. West wind 16 to 21 km/h increasing to 24 to 29 km/h in the afternoon. Winds could gust as high as 39 km/h.
Tuesday Night
Mostly cloudy, with a low around 14. West southwest wind 24 to 29 km/h decreasing to 18 to 23 km/h in the evening. Winds could gust as high as 39 km/h.
Wednesday
Mostly sunny, with a high near 19.
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
Mostly sunny, with a high near 20.
Friday Night
Partly cloudy, with a low around 13.
Saturday
Mostly sunny, with a high near 21.
Saturday Night
Partly cloudy, with a low around 14.
Sunday
Mostly sunny, with a high near 21.
Click Map For Forecast
Point Forecast:
San Francisco CA
 37.77°N 122.41°W (Elev. 40 m)
2:51 am PDT Aug 21, 2017
3am PDT Aug 21, 2017-6pm PDT Aug 27, 2017
 
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