National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Hazardous Weather Conditions

Current conditions at

Sacramento Mather Airport (KMHR)

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

Mostly Cloudy

55°F

13°C

Humidity 100%
Wind Speed S 8 MPH
Barometer 29.66 in (1004.4 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 24 Dec 08:35 AM PST
Extended Forecast for

Mather Afb CA

Flood Watch December 24, 08:45am until December 26, 04:00pm
Flood Advisory until December 24, 01:30pm
High Wind Warning until December 25, 04:00pm
Click here for hazard details and duration
Flood Watch
Flood Advisory
High Wind Warning
  •  
    Flood Watch December 24, 08:45am until December 26, 04:00pm
    Flood Advisory until December 24, 01:30pm
    High Wind Warning until December 25, 04:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 58 °F

    Showers
    Likely

  • Tonight

    Tonight: Rain and possibly a thunderstorm. Low around 53. Breezy, with a south southeast wind 21 to 28 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Rain and
    Breezy

  • Christmas Day

    Christmas Day: Rain and possibly a thunderstorm before 7am, then showers and possibly a thunderstorm between 7am and 1pm, then rain after 1pm. High near 55. Breezy, with a south wind 24 to 26 mph, with gusts as high as 43 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 55 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 1am, then rain after 1am. Low around 48. Breezy, with a south wind 18 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Showers and
    Breezy

  • Friday

    Friday: Rain. High near 52. South southeast wind 18 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.

    High: 52 °F

    Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Rain Likely

  • Saturday

    Saturday: A 20 percent chance of rain before 10am. Partly sunny, with a high near 52.

    High: 52 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Today
Rain likely, mainly before 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 58. South southeast wind 16 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain and possibly a thunderstorm. Low around 53. Breezy, with a south southeast wind 21 to 28 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Christmas Day
Rain and possibly a thunderstorm before 7am, then showers and possibly a thunderstorm between 7am and 1pm, then rain after 1pm. High near 55. Breezy, with a south wind 24 to 26 mph, with gusts as high as 43 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Showers and possibly a thunderstorm before 1am, then rain after 1am. Low around 48. Breezy, with a south wind 18 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Rain. High near 52. South southeast wind 18 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Friday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Saturday
A 20 percent chance of rain before 10am. Partly sunny, with a high near 52.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Mostly sunny, with a high near 48.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Partly sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
Partly sunny, with a high near 50.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mather Afb CA
 38.54°N 121.28°W (Elev. 102 ft)
Last Update:
1:21 am PST Dec 24, 2025
Forecast Valid:
8am PST Dec 24, 2025-6pm PST Dec 30, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation