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Heavy Rainfall and Severe Thunderstorms in the Midwest and Southwest; Heat Continues in the Southern U.S.

Heavy to excessive rainfall could bring flooding today through Thursday across parts of the central Plains into the Midwest and southern Arizona and New Mexico. Scattered strong to severe thunderstorms may impact parts of eastern Nebraska into western Iowa later today into early evening. Heat Advisories remain in place across much of east Texas into the mid-Mississippi Valley today and Tuesday. Read More >

Current conditions at

Half Moon Bay Airport (KHAF)

Lat: 37.5136°NLon: 122.4996°WElev: 65.0ft.

haze

64°F

18°C

Humidity 82%
Wind Speed WNW 8 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 59°F (15°C)
Visibility 5.00 mi
Last update 14 Sep 11:15 AM PDT
Extended Forecast for

Half Moon Bay CA

  • Today

    Today: Sunny, with a steady temperature around 67. West wind 6 to 9 mph.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 53. West wind around 6 mph becoming calm after midnight.

    Low: 53 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 66. Calm wind becoming west southwest 5 to 8 mph in the morning.

    High: 66 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 54. West southwest wind 3 to 7 mph.

    Low: 54 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 64. West wind 5 to 9 mph.

    High: 64 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 68.

    High: 68 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 8pm. Otherwise, partly cloudy, with a low around 54.

    Low: 54 °F

    Patchy Fog

  • Friday

    Friday: Areas of fog before 10am. Otherwise, mostly sunny, with a high near 68.

    High: 68 °F

    Areas Fog
    then Mostly
    Sunny

Detailed Forecast

Today
Sunny, with a steady temperature around 67. West wind 6 to 9 mph.
Tonight
Mostly cloudy, with a low around 53. West wind around 6 mph becoming calm after midnight.
Tuesday
Partly sunny, with a high near 66. Calm wind becoming west southwest 5 to 8 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 54. West southwest wind 3 to 7 mph.
Wednesday
Mostly cloudy, with a high near 64. West wind 5 to 9 mph.
Wednesday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 54.
Thursday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 68.
Thursday Night
Patchy fog after 8pm. Otherwise, partly cloudy, with a low around 54.
Friday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 68.
Friday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 54.
Saturday
Patchy fog. Otherwise, partly sunny, with a high near 68.
Saturday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 54.
Sunday
Patchy fog. Otherwise, partly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Half Moon Bay CA
 37.48°N 122.42°W (Elev. 397 ft)
Last Update:
11:27 am PDT Sep 14, 2026
Forecast Valid:
11am PDT Sep 14, 2026-6pm PDT Sep 20, 2026
 
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Additional Resources

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Chance of Precipitation