Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

25°F

-4°C

Humidity	96%
Wind Speed	S 9 mph
Barometer	29.80 in (1011.6 mb)
Dewpoint	24°F (-4°C)
Visibility	NA
Wind Chill	16°F (-9°C)
Last update	26 Dec 2:56 pm CST

More Information:

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

Extended Forecast for

Grenville SD

Dense Fog Advisory December 26, 03:19pm until December 26, 06:00pm

Click here for hazard details and duration

Dense Fog Advisory

Dense Fog Advisory December 26, 03:19pm until December 26, 06:00pm
NOW until 6:00pm Fri
Dense Fog Advisory
This Afternoon
High: 29 °F
Patchy Dense
Fog
Tonight
Low: 31 °F⇑
Patchy Fog
Saturday
High: 38 °F
Mostly Sunny
Saturday Night
Low: 8 °F
Mostly Cloudy
then Chance
Snow and
Blustery
Sunday
High: 15 °F
Blustery.
Chance Snow
then Mostly
Cloudy
Sunday Night
Low: 0 °F
Mostly Cloudy
and Blustery
Monday
High: 15 °F
Partly Sunny
and Blustery
then Sunny
Monday Night
Low: 7 °F
Partly Cloudy

Detailed Forecast

This Afternoon

Patchy dense fog. Otherwise, mostly cloudy, with a steady temperature around 29. South southeast wind 6 to 8 mph.

Tonight

Patchy fog before 4am. Otherwise, mostly cloudy, with a temperature rising to around 35 by 3am. South wind 9 to 14 mph.

Saturday

Mostly sunny, with a high near 38. South wind 6 to 14 mph becoming north northwest in the afternoon.

Saturday Night

A chance of snow after midnight. Mostly cloudy, with a low around 8. Blustery, with a north northwest wind 9 to 14 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 30%.

Sunday

A chance of snow before noon. Mostly cloudy, with a high near 15. Blustery, with a northwest wind around 26 mph, with gusts as high as 41 mph. Chance of precipitation is 30%.

Sunday Night

Mostly cloudy, with a low around 0. Blustery, with a northwest wind 21 to 26 mph, with gusts as high as 39 mph.

Monday

Mostly sunny, with a high near 15. Blustery, with a northwest wind 11 to 20 mph, with gusts as high as 29 mph.

Monday Night

Partly cloudy, with a low around 7. West southwest wind 10 to 14 mph, with gusts as high as 22 mph.

Tuesday

Mostly cloudy, with a high near 31. West southwest wind 14 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph.

Tuesday Night

A slight chance of snow after midnight. Mostly cloudy, with a low around 6. Chance of precipitation is 20%.

Wednesday

A chance of snow. Mostly cloudy, with a high near 11. Chance of precipitation is 30%.