National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Excessive Rainfall and Significant Flooding in the Upper Midwest This Weekend

Heavy to excessive rainfall is expected over the weekend across eastern Iowa, northern Missouri, northwest Illinois and southern Wisconsin. Numerous flash floods, some with significant impacts, are expected in these areas. Heaviest rainfall will occur overnight Saturday and Sunday, so be sure to have multiple ways to receive warnings. Read More >

Current conditions at

Palo Alto Airport (KPAO)

Lat: 37.46667°NLon: 122.11667°WElev: 7.0ft.

Clear

75°F

24°C

Humidity 60%
Wind Speed NNW 17 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 09 Aug 04:47 PM PDT
Extended Forecast for

San Carlos CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 86. West wind around 9 mph.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 59. West wind 5 to 8 mph becoming calm after midnight.

    Low: 59 °F

    Increasing
    Clouds

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 84. Light and variable wind becoming west 10 to 15 mph in the morning.

    High: 84 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. West wind 6 to 11 mph becoming light and variable in the evening.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. Light and variable wind becoming west 6 to 11 mph in the afternoon.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 86. West wind around 9 mph.
Tonight
Increasing clouds, with a low around 59. West wind 5 to 8 mph becoming calm after midnight.
Monday
Partly sunny, then gradually becoming sunny, with a high near 84. Light and variable wind becoming west 10 to 15 mph in the morning.
Monday Night
Mostly clear, with a low around 58. West wind 6 to 11 mph becoming light and variable in the evening.
Tuesday
Sunny, with a high near 81. Light and variable wind becoming west 6 to 11 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 57.
Friday
Mostly sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 59.
Saturday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Carlos CA
 37.5°N 122.25°W (Elev. 82 ft)
Last Update:
1:26 pm PDT Aug 10, 2025
Forecast Valid:
2pm PDT Aug 10, 2025-6pm PDT Aug 16, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation