Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

Aberdeen, Aberdeen Regional Airport (KABR)

Lat: 45.44°NLon: 98.41°WElev: 1299ft.

A Few Clouds and Windy

20°F

-7°C

Humidity 57%
Wind Speed NW 35 G 46 mph
Barometer 30.00 in (1018.0 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 21 Jan 12:53 pm CST
Extended Forecast for

Mellette SD

Extreme Cold Watch January 22, 06:00pm until January 23, 03:00pm
Winter Weather Advisory January 21, 01:29pm until January 21, 06:00pm
Click here for hazard details and duration
Extreme Cold Watch
Winter Weather Advisory
  •  
    Winter Weather Advisory January 21, 01:29pm until January 21, 06:00pm

    NOW until 6:00pm Wed

    Winter Weather Advisory

  • This Afternoon

    High: 19 °F

    Slight Chance
    Snow and
    Patchy
    Blowing Snow

  • Tonight

    Tonight: Mostly cloudy, with a low around 3. West northwest wind 9 to 17 mph, with gusts as high as 29 mph.

    Low: 3 °F

    Mostly Cloudy

  • Thursday

    Thursday: Patchy blowing snow after 11am. Partly sunny and cold, with a temperature falling to around -3 by 5pm. Wind chill values as low as -26. Blustery, with a north northwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 9 °F

    Patchy
    Blowing Snow
    and Blustery

  • Thursday Night

    Thursday Night: Mostly clear, with a low around -20. Wind chill values as low as -38. North northwest wind 9 to 17 mph.

    Low: -20 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny and cold, with a high near -7. Northwest wind 5 to 8 mph.

    High: -7 °F

    Cold

  • Friday Night

    Friday Night: A slight chance of snow after midnight.  Mostly cloudy, with a low around -15. North wind around 6 mph becoming south after midnight.  Chance of precipitation is 20%.

    Low: -15 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 5. South southeast wind 6 to 10 mph.

    High: 5 °F

    Cold

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -12. Southeast wind around 7 mph becoming north northeast after midnight.

    Low: -12 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A slight chance of snow before 5pm. Patchy blowing snow. Partly sunny, with a steady temperature around 19. Windy, with a northwest wind 29 to 34 mph decreasing to 21 to 26 mph. Winds could gust as high as 50 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 3. West northwest wind 9 to 17 mph, with gusts as high as 29 mph.
Thursday
Patchy blowing snow after 11am. Partly sunny and cold, with a temperature falling to around -3 by 5pm. Wind chill values as low as -26. Blustery, with a north northwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph.
Thursday Night
Mostly clear, with a low around -20. Wind chill values as low as -38. North northwest wind 9 to 17 mph.
Friday
Mostly sunny and cold, with a high near -7. Northwest wind 5 to 8 mph.
Friday Night
A slight chance of snow after midnight. Mostly cloudy, with a low around -15. North wind around 6 mph becoming south after midnight. Chance of precipitation is 20%.
Saturday
Mostly sunny and cold, with a high near 5. South southeast wind 6 to 10 mph.
Saturday Night
Partly cloudy, with a low around -12. Southeast wind around 7 mph becoming north northeast after midnight.
Sunday
Mostly sunny and cold, with a high near 1. North wind 7 to 10 mph.
Sunday Night
Partly cloudy, with a low around -15.
Monday
Mostly sunny, with a high near 18.
Monday Night
Partly cloudy, with a low around 2.
Tuesday
Partly sunny, with a high near 21.
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ABOUT THIS FORECAST

 
Point Forecast:
Mellette SD
 45.14°N 98.51°W (Elev. 1306 ft)
1:16 pm CST Jan 21, 2026
1pm CST Jan 21, 2026-6pm CST Jan 27, 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