Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Overcast

56°F

13°C

Humidity 100%
Wind Speed Calm
Barometer 30.31 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 17 Sep 9:15 am CDT
Extended Forecast for

9 Miles SSW Gann Valley SD

Dense Fog Advisory September 17, 09:39am until September 17, 11:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory September 17, 09:39am until September 17, 11:00am

    NOW until 11:00am Thu

    Dense Fog Advisory

  • Today

    High: 73 °F

    Patchy Dense
    Fog then
    Partly Sunny

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Low around 60. Breezy, with an east wind 10 to 15 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 30 mph.  Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 60 °F

    Heavy Rain
    then Heavy
    Rain and
    Breezy

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 10am, then a slight chance of showers between 10am and noon.  Cloudy, with a high near 74. Breezy, with an east southeast wind 10 to 20 mph becoming north in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 74 °F

    Showers
    Likely and
    Breezy then
    Mostly Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of showers before 1am.  Cloudy, with a low around 55. North wind 5 to 10 mph.

    Low: 55 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 66. North wind around 10 mph.

    High: 66 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 53. Northeast wind 5 to 10 mph.

    Low: 53 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 1pm.  Mostly cloudy, with a high near 63. Chance of precipitation is 70%.

    High: 63 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely.  Mostly cloudy, with a low around 50. Chance of precipitation is 60%.

    Low: 50 °F

    Showers
    Likely

Detailed Forecast

Today
Patchy dense fog before 10am. Otherwise, partly sunny, with a high near 73. East wind 5 to 15 mph, with gusts as high as 20 mph.
Tonight
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 60. Breezy, with an east wind 10 to 15 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Friday
Showers likely and possibly a thunderstorm before 10am, then a slight chance of showers between 10am and noon. Cloudy, with a high near 74. Breezy, with an east southeast wind 10 to 20 mph becoming north in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A 20 percent chance of showers before 1am. Cloudy, with a low around 55. North wind 5 to 10 mph.
Saturday
Mostly cloudy, with a high near 66. North wind around 10 mph.
Saturday Night
Mostly cloudy, with a low around 53. Northeast wind 5 to 10 mph.
Sunday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 63. Chance of precipitation is 70%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 62.
Monday Night
Mostly cloudy, with a low around 49.
Tuesday
Mostly cloudy, with a high near 68.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 52.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SSW Gann Valley SD
 43.93°N 99.07°W (Elev. 1601 ft)
8:48 am CDT Sep 17, 2026
9am CDT Sep 17, 2026-6pm CDT Sep 23, 2026
 
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