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

Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

Lat: 43.73°NLon: 103.62°WElev: 5600ft.

Fair

48°F

9°C

Humidity 29%
Wind Speed W 9 mph
Barometer 30.02 in (1013.3 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 24 Dec 2:53 am MST
Extended Forecast for

5 Miles ESE Rochford SD

  • Overnight

    Overnight: Partly cloudy, with a low around 41. West wind around 5 mph, with gusts as high as 18 mph.

    Low: 41 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 57. West wind 3 to 5 mph. Winds could gust as high as 18 mph.

    High: 57 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a temperature rising to around 49 by 1am. Southwest wind 3 to 8 mph.

    Low: 46 °F⇑

    Decreasing
    Clouds

  • Christmas Day

    Christmas Day: Mostly sunny, with a high near 57. West wind 7 to 13 mph.

    High: 57 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 38. West wind around 6 mph, with gusts as high as 25 mph.

    Low: 38 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 51. West wind 7 to 9 mph, with gusts as high as 29 mph.

    High: 51 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 30. West wind around 6 mph, with gusts as high as 26 mph.

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 39. West wind 6 to 8 mph, with gusts as high as 26 mph.

    High: 39 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of snow before 11pm. Partly cloudy, with a low around 8.

    Low: 8 °F

    Slight Chance
    Snow then
    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 41. West wind around 5 mph, with gusts as high as 18 mph.
Wednesday
Mostly sunny, with a high near 57. West wind 3 to 5 mph. Winds could gust as high as 18 mph.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a temperature rising to around 49 by 1am. Southwest wind 3 to 8 mph.
Christmas Day
Mostly sunny, with a high near 57. West wind 7 to 13 mph.
Thursday Night
Mostly clear, with a low around 38. West wind around 6 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 51. West wind 7 to 9 mph, with gusts as high as 29 mph.
Friday Night
Mostly clear, with a low around 30. West wind around 6 mph, with gusts as high as 26 mph.
Saturday
Mostly sunny, with a high near 39. West wind 6 to 8 mph, with gusts as high as 26 mph.
Saturday Night
A slight chance of snow before 11pm. Partly cloudy, with a low around 8.
Sunday
Sunny, with a high near 25.
Sunday Night
Partly cloudy, with a low around 12.
Monday
Sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 25.
Tuesday
Partly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Rochford SD
 44.1°N 103.66°W (Elev. 5417 ft)
Last Update:
1:36 am MST Dec 24, 2025
Forecast Valid:
3am MST Dec 24, 2025-6pm MST Dec 30, 2025
 
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