Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East; Severe Storm Threat in the Gulf States Sunday

A significant winter storm is underway, bringing widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Extremely cold air will follow, prolonging dangerous travel and infrastructure impacts into next week. Severe thunderstorms may produce damaging gusts and tornadoes across the eastern Gulf Coast states Sunday morning and afternoon. Read More >

Current conditions at

Mountain View, Moffett Field (KNUQ)

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

Clear

41°F

5°C

Humidity 70%
Wind Speed N 0 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 25 Jan 02:35 AM PST
Extended Forecast for

Cupertino CA

  • Overnight

    Overnight: Partly cloudy, with a low around 39. Northwest wind 3 to 5 mph.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 62. Calm wind becoming north around 5 mph in the afternoon.

    High: 62 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Cloudy, then gradually becoming partly cloudy, with a low around 43. Light southwest wind.

    Low: 43 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 65. Light east southeast wind.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after 10pm.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A slight chance of rain before 10am.  Partly sunny, with a high near 62.

    High: 62 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 39. Northwest wind 3 to 5 mph.
Sunday
Mostly cloudy, with a high near 62. Calm wind becoming north around 5 mph in the afternoon.
Sunday Night
Cloudy, then gradually becoming partly cloudy, with a low around 43. Light southwest wind.
Monday
Sunny, with a high near 65. Light east southeast wind.
Monday Night
Mostly clear, with a low around 41. Calm wind.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 46.
Wednesday
A slight chance of rain before 10am. Partly sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Partly sunny, with a high near 66.
Friday Night
Mostly cloudy, with a low around 45.
Saturday
Partly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
Cupertino CA
 37.33°N 122.04°W (Elev. 243 ft)
1:27 am PST Jan 25, 2026
2am PST Jan 25, 2026-6pm PST Jan 31, 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