Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Hazardous Weather Conditions

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Overcast

10°F

-12°C

Humidity 68%
Wind Speed N 15 G 18 mph
Barometer 30.38 in
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill-7°F (-22°C)
Last update 18 Jan 8:55 pm CST
Extended Forecast for

11 Miles N Gann Valley SD

  • Tonight

    Tonight: A chance of flurries before 11pm.  Patchy blowing snow before midnight. Partly cloudy, with a low around -3. Wind chill values as low as -20. Blustery, with a north northwest wind 13 to 22 mph, with gusts as high as 31 mph.

    Low: -3 °F

    Chance
    Flurries and
    Patchy
    Blowing Snow
    then Partly
    Cloudy

  • M.L.King Day

    M.L.King Day: Partly sunny, with a high near 14. Wind chill values as low as -20. West wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 14 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 0. North northwest wind 5 to 8 mph becoming south after midnight.

    Low: 0 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of snow after noon.  Mostly cloudy, with a high near 22. South wind 6 to 10 mph becoming west in the afternoon.  Chance of precipitation is 40%.

    High: 22 °F

    Partly Sunny
    then Chance
    Snow

  • Tuesday Night

    Tuesday Night: A slight chance of snow before midnight.  Mostly cloudy, with a low around 12. Northwest wind 10 to 14 mph.  Chance of precipitation is 20%.

    Low: 12 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of snow, mainly before noon.  Partly sunny, with a high near 23. Blustery, with a northwest wind 14 to 24 mph, with gusts as high as 33 mph.  Chance of precipitation is 40%.

    High: 23 °F

    Chance Snow
    and Blustery

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 3. Northwest wind 9 to 17 mph.

    Low: 3 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 19. West wind 9 to 11 mph becoming north in the afternoon.

    High: 19 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -4. North wind 9 to 11 mph.

    Low: -4 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of flurries before 11pm. Patchy blowing snow before midnight. Partly cloudy, with a low around -3. Wind chill values as low as -20. Blustery, with a north northwest wind 13 to 22 mph, with gusts as high as 31 mph.
M.L.King Day
Partly sunny, with a high near 14. Wind chill values as low as -20. West wind 10 to 15 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 0. North northwest wind 5 to 8 mph becoming south after midnight.
Tuesday
A chance of snow after noon. Mostly cloudy, with a high near 22. South wind 6 to 10 mph becoming west in the afternoon. Chance of precipitation is 40%.
Tuesday Night
A slight chance of snow before midnight. Mostly cloudy, with a low around 12. Northwest wind 10 to 14 mph. Chance of precipitation is 20%.
Wednesday
A chance of snow, mainly before noon. Partly sunny, with a high near 23. Blustery, with a northwest wind 14 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 3. Northwest wind 9 to 17 mph.
Thursday
Partly sunny, with a high near 19. West wind 9 to 11 mph becoming north in the afternoon.
Thursday Night
Mostly cloudy, with a low around -4. North wind 9 to 11 mph.
Friday
Partly sunny and cold, with a high near 4.
Friday Night
Mostly cloudy, with a low around -10.
Saturday
A chance of snow. Mostly cloudy and cold, with a high near 2. Chance of precipitation is 30%.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around -8. Chance of precipitation is 20%.
Sunday
A slight chance of snow. Mostly sunny, with a high near 11. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles N Gann Valley SD
 44.19°N 98.96°W (Elev. 2014 ft)
8:37 pm CST Jan 18, 2026
9pm CST Jan 18, 2026-6pm CST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database