Heavy Mountain Snow in the Northwest U.S.; Wintry Mix in the Northeast U.S.

Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. overnight into Wednesday. Read More >

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

38°F

3°C

Humidity 76%
Wind Speed SW 15 G 24 mph
Barometer 29.63 in (1005.2 mb)
Dewpoint 31°F (-1°C)
Visibility NA
Wind Chill29°F (-2°C)
Last update 7 Jan 12:56 am CST
Extended Forecast for

6 Miles S New Effington SD

  • Overnight

    Overnight: Mostly cloudy, with a low around 21. Southwest wind 7 to 10 mph.

    Low: 21 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 40. South southwest wind 7 to 9 mph.

    High: 40 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26. South southwest wind around 7 mph becoming northwest after midnight.

    Low: 26 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 32. North wind 8 to 10 mph.

    High: 32 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 16. Northwest wind 6 to 9 mph.

    Low: 16 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 32. West wind 6 to 10 mph.

    High: 32 °F

    Partly Sunny

  • Friday Night

    Friday Night: A slight chance of snow.  Mostly cloudy, with a low around 13. Northwest wind 10 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 20%.

    Low: 13 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: Mostly cloudy, with a high near 19. Northwest wind 14 to 18 mph, with gusts as high as 26 mph.

    High: 19 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 6. Northwest wind 9 to 14 mph.

    Low: 6 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 21. Southwest wind 7 to 10 mph.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 40. South southwest wind 7 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 26. South southwest wind around 7 mph becoming northwest after midnight.
Thursday
Mostly cloudy, with a high near 32. North wind 8 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 16. Northwest wind 6 to 9 mph.
Friday
Partly sunny, with a high near 32. West wind 6 to 10 mph.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 13. Northwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Saturday
Mostly cloudy, with a high near 19. Northwest wind 14 to 18 mph, with gusts as high as 26 mph.
Saturday Night
Partly cloudy, with a low around 6. Northwest wind 9 to 14 mph.
Sunday
Mostly sunny, with a high near 33.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 38.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Partly sunny, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles S New Effington SD
 45.76°N 96.95°W (Elev. 1152 ft)
1:01 am CST Jan 7, 2026
1am CST Jan 7, 2026-6pm CST Jan 13, 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