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 >

Hazardous Weather Conditions

Current conditions at

Custer, Custer County Airport (KCUT)

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

Fair

51°F

11°C

Humidity 39%
Wind Speed W 17 G 36 mph
Barometer 29.68 in (1000.3 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 16 Apr 6:53 am MDT
Extended Forecast for

5 Miles WSW Hill City SD

  • Today

    Today: A slight chance of showers before 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then showers likely and possibly a thunderstorm after 4pm.  Increasing clouds, with a high near 62. West wind 8 to 14 mph becoming northeast in the afternoon. Winds could gust as high as 39 mph.  Chance of precipitation is 70%.

    High: 62 °F

    Mostly Sunny
    then Showers
    Likely

  • Tonight

    Tonight: Rain showers likely before 8pm, then rain and snow showers likely between 8pm and 9pm, then snow showers after 9pm.  Low around 22. Wind chill values as low as 12. North wind 7 to 10 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 22 °F

    Rain/Snow
    then Snow
    Showers
    Likely

  • Friday

    Friday: Snow showers likely.  Mostly cloudy, with a high near 34. Wind chill values as low as 12. Northwest wind around 10 mph, with gusts as high as 32 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Snow Showers
    Likely

  • Friday Night

    Friday Night: A 20 percent chance of snow showers before midnight.  Mostly clear, with a low around 19. Wind chill values as low as 11. Northwest wind 7 to 10 mph, with gusts as high as 32 mph.

    Low: 19 °F

    Slight Chance
    Snow Showers
    then Mostly
    Clear

  • Saturday

    Saturday: A 30 percent chance of snow showers, mainly after noon.  Mostly sunny, with a high near 41. Northwest wind 8 to 13 mph, with gusts as high as 36 mph.

    High: 41 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25. Northwest wind 5 to 10 mph becoming light west. Winds could gust as high as 31 mph.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 57. Southwest wind 3 to 7 mph. Winds could gust as high as 22 mph.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34. Southwest wind around 6 mph becoming light and variable. Winds could gust as high as 20 mph.

    Low: 34 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers before 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Increasing clouds, with a high near 62. West wind 8 to 14 mph becoming northeast in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 70%.
Tonight
Rain showers likely before 8pm, then rain and snow showers likely between 8pm and 9pm, then snow showers after 9pm. Low around 22. Wind chill values as low as 12. North wind 7 to 10 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Friday
Snow showers likely. Mostly cloudy, with a high near 34. Wind chill values as low as 12. Northwest wind around 10 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
A 20 percent chance of snow showers before midnight. Mostly clear, with a low around 19. Wind chill values as low as 11. Northwest wind 7 to 10 mph, with gusts as high as 32 mph.
Saturday
A 30 percent chance of snow showers, mainly after noon. Mostly sunny, with a high near 41. Northwest wind 8 to 13 mph, with gusts as high as 36 mph.
Saturday Night
Mostly clear, with a low around 25. Northwest wind 5 to 10 mph becoming light west. Winds could gust as high as 31 mph.
Sunday
Sunny, with a high near 57. Southwest wind 3 to 7 mph. Winds could gust as high as 22 mph.
Sunday Night
Mostly clear, with a low around 34. Southwest wind around 6 mph becoming light and variable. Winds could gust as high as 20 mph.
Monday
Sunny, with a high near 67.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Sunny, with a high near 70.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 44.
Wednesday
A chance of showers. Partly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Hill City SD
 43.91°N 103.64°W (Elev. 6198 ft)
7:37 am MDT Apr 16, 2026
7am MDT Apr 16, 2026-6pm MDT Apr 22, 2026
 
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Additional Resources

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