Sinlaku Continues to Impact the Marianas; Severe Weather for the Central Plains and Northeast; Record Warmth for mid-Atlantic to Southeast

Sinlaku continues to affect the Marianas as it moves north through Friday. Meanwhile, severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley today and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

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

Mostly Cloudy

64°F

18°C

Humidity 20%
Wind Speed S 10 G 24 mph
Barometer 29.64 in (998.2 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 16 Apr 2:53 pm MDT
Extended Forecast for

5 Miles ESE Edgemont SD

Red Flag Warning until April 16, 07:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning until April 16, 07:00pm

    NOW until 7:00pm Thu

    Red Flag Warning

  • This Afternoon

    High: 75 °F

    Chance
    Showers and
    Breezy

  • Tonight

    Tonight: Rain showers likely before 3am, then rain and snow showers likely between 3am and 5am, then snow showers likely after 5am.  Cloudy, with a low around 32. West wind 14 to 17 mph becoming northwest after midnight. Winds could gust as high as 30 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 32 °F

    Showers
    Likely then
    Rain/Snow
    Likely

  • Friday

    Friday: Snow showers likely, mainly before noon.  Mostly cloudy, with a high near 44. Breezy, with a northwest wind 14 to 19 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 43 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Breezy. Snow
    Showers
    Likely then
    Chance Snow
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 23. Wind chill values as low as 12. Blustery, with a west wind 21 to 26 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 40 mph.

    Low: 23 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Saturday

    Saturday: A slight chance of snow showers between noon and 2pm, then a slight chance of rain showers after 2pm.  Sunny, with a high near 55. Breezy, with a northwest wind 13 to 18 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 45 mph.  Chance of precipitation is 20%.

    High: 55 °F

    Breezy. Sunny
    then Slight
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26. Blustery, with a west wind 19 to 24 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 39 mph.

    Low: 26 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 70. West wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 70 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35. Northwest wind 6 to 10 mph becoming east in the evening. Winds could gust as high as 17 mph.

    Low: 35 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 40 percent chance of showers, mainly after 4pm. Mostly cloudy, with a high near 75. Breezy, with a southwest wind 20 to 22 mph, with gusts as high as 37 mph.
Tonight
Rain showers likely before 3am, then rain and snow showers likely between 3am and 5am, then snow showers likely after 5am. Cloudy, with a low around 32. West wind 14 to 17 mph becoming northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Friday
Snow showers likely, mainly before noon. Mostly cloudy, with a high near 44. Breezy, with a northwest wind 14 to 19 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday Night
Mostly clear, with a low around 23. Wind chill values as low as 12. Blustery, with a west wind 21 to 26 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 40 mph.
Saturday
A slight chance of snow showers between noon and 2pm, then a slight chance of rain showers after 2pm. Sunny, with a high near 55. Breezy, with a northwest wind 13 to 18 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 26. Blustery, with a west wind 19 to 24 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 39 mph.
Sunday
Sunny, with a high near 70. West wind 6 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 35. Northwest wind 6 to 10 mph becoming east in the evening. Winds could gust as high as 17 mph.
Monday
Mostly sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
A chance of showers. Mostly sunny, with a high near 84. Breezy.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 48. Breezy.
Thursday
A chance of showers. Partly sunny, with a high near 73. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Edgemont SD
 43.27°N 103.74°W (Elev. 3675 ft)
2:57 pm MDT Apr 16, 2026
3pm MDT Apr 16, 2026-6pm MDT Apr 23, 2026
 
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Additional Resources

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