Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

38°F

3°C

Humidity 65%
Wind Speed Calm
Barometer 29.81 in (1008.6 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 14 Apr 8:53 pm MDT
Extended Forecast for

5 Miles N Custer SD

  • Tonight

    Tonight: Mostly clear, with a low around 34. West wind 5 to 8 mph.

    Low: 34 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 60. West wind 7 to 9 mph, with gusts as high as 22 mph.

    High: 60 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44. West wind 9 to 18 mph, with gusts as high as 28 mph.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: A 50 percent chance of showers after noon.  Increasing clouds, with a high near 62. Breezy, with a west wind 11 to 20 mph, with gusts as high as 33 mph.

    High: 62 °F

    Mostly Sunny
    and Breezy
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Rain showers before 9pm, then rain and snow showers between 9pm and 10pm, then snow showers after 10pm.  Low around 23. West wind 11 to 16 mph becoming north in the evening. Winds could gust as high as 28 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Rain/Snow
    then Snow
    Showers
    Likely

  • Friday

    Friday: Snow showers.  High near 32. North wind 13 to 16 mph, with gusts as high as 31 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 32 °F

    Snow Showers

  • Friday Night

    Friday Night: A 20 percent chance of snow showers before midnight.  Mostly cloudy, with a low around 17. Northwest wind around 18 mph, with gusts as high as 33 mph.

    Low: 17 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Saturday

    Saturday: A chance of snow showers, mainly after noon.  Mostly sunny, with a high near 37. Breezy, with a northwest wind 14 to 20 mph, with gusts as high as 33 mph.

    High: 37 °F

    Chance Snow
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 34. West wind 5 to 8 mph.
Wednesday
Sunny, with a high near 60. West wind 7 to 9 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 44. West wind 9 to 18 mph, with gusts as high as 28 mph.
Thursday
A 50 percent chance of showers after noon. Increasing clouds, with a high near 62. Breezy, with a west wind 11 to 20 mph, with gusts as high as 33 mph.
Thursday Night
Rain showers before 9pm, then rain and snow showers between 9pm and 10pm, then snow showers after 10pm. Low around 23. West wind 11 to 16 mph becoming north in the evening. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Friday
Snow showers. High near 32. North wind 13 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Friday Night
A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 17. Northwest wind around 18 mph, with gusts as high as 33 mph.
Saturday
A chance of snow showers, mainly after noon. Mostly sunny, with a high near 37. Breezy, with a northwest wind 14 to 20 mph, with gusts as high as 33 mph.
Saturday Night
Mostly clear, with a low around 22.
Sunday
Sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 32.
Monday
Sunny, with a high near 65.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Custer SD
 43.84°N 103.61°W (Elev. 6276 ft)
6:26 pm MDT Apr 14, 2026
9pm MDT Apr 14, 2026-6pm MDT Apr 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database