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 >

Current conditions at

Winner, Bob Wiley Field Airport (KICR)

Lat: 43.39°NLon: 99.84°WElev: 2031ft.

Fair

47°F

8°C

Humidity 80%
Wind Speed S 9 mph
Barometer 29.73 in (1006.5 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 15 Apr 2:53 am CDT
Extended Forecast for

New Witten SD

Fire Weather Watch April 16, 01:00pm until April 16, 08:00pm
Click here for hazard details and duration
Fire Weather Watch
  • Overnight

    Overnight: Mostly cloudy, with a low around 43. Southwest wind around 9 mph.

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 76. Southwest wind around 9 mph, with gusts as high as 15 mph.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50. South wind 9 to 18 mph, with gusts as high as 26 mph.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Breezy, with a southwest wind 17 to 20 mph, with gusts as high as 29 mph.

    High: 82 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: A 20 percent chance of showers.  Mostly cloudy, with a low around 35. Breezy, with a southwest wind 14 to 19 mph becoming northwest 21 to 26 mph after midnight. Winds could gust as high as 38 mph.

    Low: 35 °F

    Slight Chance
    Showers and
    Breezy

  • Friday

    Friday: A 20 percent chance of snow showers after 1pm.  Mostly cloudy, with a high near 47. Windy, with a north wind 28 to 30 mph, with gusts as high as 40 mph.

    High: 47 °F

    Cloudy and
    Windy then
    Slight Chance
    Snow Showers
    and Breezy

  • Friday Night

    Friday Night: A 20 percent chance of snow showers.  Mostly cloudy, with a low around 25. Blustery, with a north wind 17 to 25 mph, with gusts as high as 36 mph.

    Low: 25 °F

    Slight Chance
    Snow Showers
    and Blustery

  • Saturday

    Saturday: Mostly sunny, with a high near 51. Breezy, with a northwest wind 18 to 23 mph, with gusts as high as 36 mph.

    High: 51 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27. Blustery.

    Low: 27 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 43. Southwest wind around 9 mph.
Wednesday
Sunny, with a high near 76. Southwest wind around 9 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly clear, with a low around 50. South wind 9 to 18 mph, with gusts as high as 26 mph.
Thursday
Sunny, with a high near 82. Breezy, with a southwest wind 17 to 20 mph, with gusts as high as 29 mph.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 35. Breezy, with a southwest wind 14 to 19 mph becoming northwest 21 to 26 mph after midnight. Winds could gust as high as 38 mph.
Friday
A 20 percent chance of snow showers after 1pm. Mostly cloudy, with a high near 47. Windy, with a north wind 28 to 30 mph, with gusts as high as 40 mph.
Friday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 25. Blustery, with a north wind 17 to 25 mph, with gusts as high as 36 mph.
Saturday
Mostly sunny, with a high near 51. Breezy, with a northwest wind 18 to 23 mph, with gusts as high as 36 mph.
Saturday Night
Partly cloudy, with a low around 27. Blustery.
Sunday
Sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
New Witten SD
 43.43°N 100.09°W (Elev. 2064 ft)
1:31 am CDT Apr 15, 2026
3am CDT Apr 15, 2026-6pm CDT Apr 21, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database