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

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

13°F

-11°C

Humidity	88%
Wind Speed	S 6 mph
Barometer	30.00 in (1020.4 mb)
Dewpoint	10°F (-12°C)
Visibility	NA
Wind Chill	4°F (-16°C)
Last update	20 Jan 5:56 pm CST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Grenville SD

Extreme Cold Watch January 22, 06:00pm until January 23, 03:00pm

Winter Weather Advisory January 21, 08:00am until January 21, 06:00pm

Click here for hazard details and duration

Extreme Cold Watch

Winter Weather Advisory

Tonight
Low: 7 °F
Slight Chance
Snow then
Mostly Cloudy
Wednesday
High: 21 °F
Snow Likely
and Patchy
Blowing Snow
Wednesday Night
Low: -4 °F
Patchy
Blowing Snow
and Blustery
then Mostly
Cloudy
Thursday
High: 4 °F
Cold
Thursday Night
Low: -24 °F
Partly Cloudy
Friday
High: -13 °F
Cold
Friday Night
Low: -19 °F
Partly Cloudy
Saturday
High: -3 °F
Cold
Saturday Night
Low: -14 °F
Partly Cloudy

Detailed Forecast

Tonight

A slight chance of snow before 7pm. Mostly cloudy, with a low around 7. West wind 5 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

Wednesday

Snow likely, mainly before 11am. Patchy blowing snow after 9am. Mostly cloudy, with a high near 21. Blustery, with a northwest wind 14 to 19 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Wednesday Night

Patchy blowing snow before 7pm. Mostly cloudy, with a low around -4. Blustery, with a west northwest wind 11 to 21 mph, with gusts as high as 34 mph.

Thursday

Partly sunny and cold, with a high near 4. Wind chill values as low as -26. Northwest wind 14 to 18 mph, with gusts as high as 29 mph.

Thursday Night

Partly cloudy, with a low around -24. North northwest wind 9 to 16 mph, with gusts as high as 25 mph.

Friday

Sunny and cold, with a high near -13. West northwest wind 6 to 9 mph.

Friday Night

Partly cloudy, with a low around -19. South southwest wind around 7 mph.

Saturday

Mostly sunny and cold, with a high near -3. South southwest wind 8 to 10 mph.