Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

Sacramento Mather Airport (KMHR)

Lat: 38.55996°NLon: 121.28397°WElev: 92.0ft.

Mist

45°F

7°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 45°F (7°C)
Visibility 5.00 mi
Last update 10 Dec 02:35 AM PST
Extended Forecast for

6 Miles SE Mather Afb CA

  • Overnight

    Overnight: Widespread haze. Areas of dense fog.  Otherwise, mostly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Areas Dense
    Fog

  • Wednesday

    Wednesday: Widespread haze before 2pm, then widespread haze after 3pm. Areas of dense fog before 1pm.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 46. Calm wind.

    High: 46 °F

    Areas Dense
    Fog

  • Wednesday Night

    Wednesday Night: Patchy fog.  Otherwise, increasing clouds, with a low around 41. Calm wind.

    Low: 41 °F

    Patchy Fog

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 46. Calm wind.

    High: 46 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Patchy fog before 10pm.  Otherwise, partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Patchy Fog
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Patchy fog between 10pm and 2am.  Otherwise, partly cloudy, with a low around 43.

    Low: 43 °F

    Patchy Fog

  • Saturday

    Saturday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Patchy fog before 10pm, then patchy fog after 1am.  Otherwise, partly cloudy, with a low around 42.

    Low: 42 °F

    Patchy Fog

Detailed Forecast

Overnight
Widespread haze. Areas of dense fog. Otherwise, mostly cloudy, with a low around 41. Calm wind.
Wednesday
Widespread haze before 2pm, then widespread haze after 3pm. Areas of dense fog before 1pm. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 46. Calm wind.
Wednesday Night
Patchy fog. Otherwise, increasing clouds, with a low around 41. Calm wind.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 46. Calm wind.
Thursday Night
Patchy fog before 10pm. Otherwise, partly cloudy, with a low around 43. Calm wind.
Friday
Mostly sunny, with a high near 46.
Friday Night
Patchy fog between 10pm and 2am. Otherwise, partly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
Patchy fog before 10pm, then patchy fog after 1am. Otherwise, partly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 55.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
A slight chance of showers. Mostly cloudy, with a high near 56.
Monday Night
A chance of showers. Mostly cloudy, with a low around 50.
Tuesday
A chance of showers. Mostly cloudy, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Mather Afb CA
 38.49°N 121.18°W (Elev. 108 ft)
1:21 am PST Dec 10, 2025
2am PST Dec 10, 2025-6pm PST Dec 16, 2025
 
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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