Inclement Weather in the Pacific Northwest; Severe Thunderstorms in the Southeast; Impending Winter Storm

An approaching storm will bring rain and high elevation snow to Pacific Northwest through the weekend. Isolated severe thunderstorms are possible across parts of the Southeast today into this evening as a low strengthens over the Southeast. This system will form into a winter storm on Sunday that will bring heavy snow, high winds, and coastal flooding to the Mid-Atlantic and Northeast into Monday. Read More >

Current conditions at

Mountain View, Moffett Field (KNUQ)

Lat: 37.40583°NLon: 122.04806°WElev: 33.0ft.

Clear

52°F

11°C

Humidity 66%
Wind Speed SSW 4 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 21 Feb 10:55 PM PST
Extended Forecast for

Cupertino CA

  • Tonight

    Tonight: Partly cloudy, with a low around 43. Southeast wind around 9 mph.

    Low: 43 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 66. Southeast wind 6 to 8 mph.

    High: 66 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear
    then Patchy
    Fog

  • Monday

    Monday: Mostly sunny, with a high near 68. Light and variable wind.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of rain after 10pm.  Mostly cloudy, with a low around 52. Light and variable wind.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain.  High near 64. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 4am.  Low around 53. Chance of precipitation is 80%.

    Low: 53 °F

    Rain

  • Wednesday

    Wednesday: A chance of rain, mainly before 10am.  Mostly cloudy, with a high near 67.

    High: 67 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain.  Mostly cloudy, with a low around 50.

    Low: 50 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 43. Southeast wind around 9 mph.
Sunday
Mostly sunny, with a high near 66. Southeast wind 6 to 8 mph.
Sunday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 44. Calm wind.
Monday
Mostly sunny, with a high near 68. Light and variable wind.
Monday Night
A 40 percent chance of rain after 10pm. Mostly cloudy, with a low around 52. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain. High near 64. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain, mainly before 4am. Low around 53. Chance of precipitation is 80%.
Wednesday
A chance of rain, mainly before 10am. Mostly cloudy, with a high near 67.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 72.
Friday Night
Mostly cloudy, with a low around 52.
Saturday
A slight chance of rain. Partly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Cupertino CA
 37.33°N 122.04°W (Elev. 243 ft)
12:26 pm PST Feb 21, 2026
11pm PST Feb 21, 2026-6pm PST Feb 28, 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