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.

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 Rochford SD

  • This Afternoon

    This Afternoon: A chance of showers, with thunderstorms also possible after 4pm.  Cloudy, with a high near 66. South wind around 6 mph becoming northwest. Winds could gust as high as 25 mph.  Chance of precipitation is 40%.

    High: 66 °F

    Chance
    Showers

  • Tonight

    Tonight: Rain showers before 9pm, then a chance of rain and snow showers between 9pm and 10pm, then a chance of snow showers after 10pm.  Low around 22. Northwest wind 5 to 7 mph, with gusts as high as 26 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Rain/Snow
    then Chance
    Snow Showers

  • Friday

    Friday: A 20 percent chance of snow showers before noon.  Mostly cloudy, with a high near 34. Wind chill values as low as 14. Northwest wind 6 to 10 mph, with gusts as high as 31 mph.

    High: 34 °F

    Slight Chance
    Snow Showers
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 20. Wind chill values as low as 12. West wind 5 to 9 mph, with gusts as high as 30 mph.

    Low: 20 °F

    Mostly Clear

  • Saturday

    Saturday: A 40 percent chance of snow showers.  Mostly sunny, with a high near 42. Northwest wind 6 to 10 mph, with gusts as high as 33 mph.  Little or no snow accumulation expected.

    High: 42 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26. Northwest wind 5 to 8 mph becoming calm  in the evening. Winds could gust as high as 30 mph.

    Low: 26 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 59. Calm wind becoming south around 6 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35. Light and variable wind. Winds could gust as high as 17 mph.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of showers, with thunderstorms also possible after 4pm. Cloudy, with a high near 66. South wind around 6 mph becoming northwest. Winds could gust as high as 25 mph. Chance of precipitation is 40%.
Tonight
Rain showers before 9pm, then a chance of rain and snow showers between 9pm and 10pm, then a chance of snow showers after 10pm. Low around 22. Northwest wind 5 to 7 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Friday
A 20 percent chance of snow showers before noon. Mostly cloudy, with a high near 34. Wind chill values as low as 14. Northwest wind 6 to 10 mph, with gusts as high as 31 mph.
Friday Night
Mostly clear, with a low around 20. Wind chill values as low as 12. West wind 5 to 9 mph, with gusts as high as 30 mph.
Saturday
A 40 percent chance of snow showers. Mostly sunny, with a high near 42. Northwest wind 6 to 10 mph, with gusts as high as 33 mph. Little or no snow accumulation expected.
Saturday Night
Mostly clear, with a low around 26. Northwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 30 mph.
Sunday
Sunny, with a high near 59. Calm wind becoming south around 6 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 35. Light and variable wind. Winds could gust as high as 17 mph.
Monday
Mostly sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
A chance of showers. Mostly sunny, with a high near 75.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 44.
Thursday
A chance of showers. Partly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Rochford SD
 44.1°N 103.66°W (Elev. 5417 ft)
2:57 pm MDT Apr 16, 2026
3pm MDT Apr 16, 2026-6pm MDT Apr 23, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database