Showers and Thunderstorms from the Southern Plains into the Ohio Valley; Record Warmth in the Central U.S.

Heavy rain and widely scattered severe storms are expected over portions of the central and southern Plains into the Ohio Valley. Unseasonable warmth will continue for a few more days across the Midwest, Southeast, and Mid-Atlantic where several daily record highs could fall. Read More >

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Overcast

49°F

9°C

Humidity 97%
Wind Speed NW 9 mph
Barometer 30.22 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 15 Oct 10:35 am CDT
Extended Forecast for

Stephan SD

Wind Advisory October 15, 01:00pm until October 16, 04:00am
Click here for hazard details and duration
Wind Advisory
  • Today

    Today: A chance of showers, mainly before 11am.  Cloudy, then gradually becoming mostly sunny, with a high near 56. Windy, with a northwest wind 13 to 23 mph increasing to 23 to 33 mph in the afternoon. Winds could gust as high as 45 mph.  Chance of precipitation is 50%.

    High: 56 °F

    Chance
    Showers then
    Slight Chance
    Showers and
    Windy

  • Tonight

    Tonight: A chance of sprinkles between midnight and 3am.  Increasing clouds, with a low around 35. Breezy, with a northwest wind 25 to 28 mph, with gusts as high as 41 mph.

    Low: 35 °F

    Chance
    Sprinkles and
    Breezy

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 50. Breezy, with a north northwest wind 17 to 22 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 50 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Friday Night

    Friday Night: Areas of frost between 11pm and midnight.  Otherwise, clear, with a low around 34. South wind 5 to 15 mph, with gusts as high as 24 mph.

    Low: 34 °F

    Areas Frost
    then Clear

  • Saturday

    Saturday: Sunny, with a high near 69. South wind 15 to 18 mph, with gusts as high as 28 mph.

    High: 69 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 45. South wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 69. South wind 7 to 13 mph becoming north in the afternoon. Winds could gust as high as 21 mph.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 41. North northeast wind around 8 mph.

    Low: 41 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 66. Northeast wind 7 to 10 mph becoming southeast in the afternoon.

    High: 66 °F

    Sunny

Detailed Forecast

Today
A chance of showers, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 56. Windy, with a northwest wind 13 to 23 mph increasing to 23 to 33 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 50%.
Tonight
A chance of sprinkles between midnight and 3am. Increasing clouds, with a low around 35. Breezy, with a northwest wind 25 to 28 mph, with gusts as high as 41 mph.
Friday
Partly sunny, then gradually becoming sunny, with a high near 50. Breezy, with a north northwest wind 17 to 22 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 34 mph.
Friday Night
Areas of frost between 11pm and midnight. Otherwise, clear, with a low around 34. South wind 5 to 15 mph, with gusts as high as 24 mph.
Saturday
Sunny, with a high near 69. South wind 15 to 18 mph, with gusts as high as 28 mph.
Saturday Night
Mostly clear, with a low around 45. South wind 10 to 14 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 69. South wind 7 to 13 mph becoming north in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 41. North northeast wind around 8 mph.
Monday
Sunny, with a high near 66. Northeast wind 7 to 10 mph becoming southeast in the afternoon.
Monday Night
Mostly clear, with a low around 45.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Mostly sunny, with a high near 69.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Stephan SD
 44.25°N 99.44°W (Elev. 1811 ft)
10:16 am CDT Oct 15, 2026
10am CDT Oct 15, 2026-6pm CDT Oct 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database