Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley

A rapidly-intensifying storm is expected to bring heavy snow, blizzard conditions, and icing from the Upper Midwest through the Great Lakes and Northeast. Scattered severe thunderstorms may produce severe/damaging wind gusts and a couple of tornadoes across parts of the Midwest and lower Ohio Valley through the evening. Arctic air will expand across the central and southern U.S.. Read More >

Current conditions at

Half Moon Bay Airport (KHAF)

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

Clear

59°F

15°C

Humidity 47%
Wind Speed ENE 10 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 39°F (4°C)
Visibility 8.00 mi
Last update 28 Dec 11:55 AM PST
Extended Forecast for

4 Miles ESE Half Moon Bay CA

  • This Afternoon

    This Afternoon: Sunny, with a temperature falling to around 50 by 5pm. Northeast wind around 7 mph.

    High: 54 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 42. Northeast wind around 8 mph.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 55. East northeast wind 7 to 9 mph, with gusts as high as 20 mph.

    High: 55 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 44. East northeast wind around 7 mph.

    Low: 44 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 57. East northeast wind around 7 mph.

    High: 57 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain after 10am.  Partly sunny, with a high near 56.

    High: 56 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain.  Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain

  • New Year's Day

    New Year's Day: Rain likely, mainly after 10am.  Mostly cloudy, with a high near 55.

    High: 55 °F

    Rain Likely

Detailed Forecast

This Afternoon
Sunny, with a temperature falling to around 50 by 5pm. Northeast wind around 7 mph.
Tonight
Mostly clear, with a low around 42. Northeast wind around 8 mph.
Monday
Sunny, with a high near 55. East northeast wind 7 to 9 mph, with gusts as high as 20 mph.
Monday Night
Clear, with a low around 44. East northeast wind around 7 mph.
Tuesday
Sunny, with a high near 57. East northeast wind around 7 mph.
Tuesday Night
Mostly cloudy, with a low around 47.
Wednesday
A 20 percent chance of rain after 10am. Partly sunny, with a high near 56.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 49.
New Year's Day
Rain likely, mainly after 10am. Mostly cloudy, with a high near 55.
Thursday Night
Rain likely. Cloudy, with a low around 52.
Friday
Rain likely. Mostly cloudy, with a high near 57.
Friday Night
A chance of rain. Mostly cloudy, with a low around 50.
Saturday
A chance of rain. Mostly cloudy, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Half Moon Bay CA
 37.44°N 122.35°W (Elev. 728 ft)
6:40 am PST Dec 28, 2025
12pm PST Dec 28, 2025-6pm PST Jan 3, 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