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

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

Fog

32°F

0°C

Humidity	100%
Wind Speed	S 7 mph
Barometer	29.89 in
Dewpoint	32°F (0°C)
Visibility	0.25 mi
Wind Chill	25°F (-4°C)
Last update	27 Dec 2:15 am CST

More Information:

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

Extended Forecast for

3 Miles SE Decorah IA

Dense Fog Advisory December 27, 02:27am until December 27, 12:00pm

Click here for hazard details and duration

Dense Fog Advisory

Dense Fog Advisory December 27, 02:27am until December 27, 12:00pm
NOW until 12:00pm Sat
Dense Fog Advisory
Overnight
Low: 33 °F
Dense Fog
Saturday
High: 43 °F
Dense Fog
Saturday Night
Low: 40 °F
Slight Chance
Drizzle then
Mostly Cloudy
Sunday
High: 40 °F
Chance Rain
then
Rain/Snow
Likely
Sunday Night
Low: 8 °F
Chance Snow
and Blustery
Monday
High: 13 °F
Partly Sunny
and Blustery
Monday Night
Low: 6 °F
Partly Cloudy
Tuesday
High: 26 °F
Partly Sunny

Detailed Forecast

Overnight

Widespread dense fog. Otherwise, cloudy, with a low around 33. South wind around 7 mph.

Saturday

Widespread dense fog before 2pm, then patchy dense fog after 5pm. Otherwise, mostly cloudy, with a high near 43. South wind 8 to 11 mph, with gusts as high as 21 mph.

Saturday Night

A slight chance of drizzle before midnight. Cloudy, with a low around 40. Southeast wind 5 to 8 mph becoming calm after midnight.

Sunday

A chance of rain before noon, then rain and snow likely between noon and 3pm, then snow likely after 3pm. Cloudy, with a high near 40. Northwest wind 6 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Sunday Night

A 40 percent chance of snow. Cloudy, with a low around 8. Blustery, with a northwest wind 18 to 22 mph, with gusts as high as 37 mph. New snow accumulation of less than one inch possible.

Monday

Partly sunny, with a high near 13. Blustery, with a northwest wind 13 to 22 mph, with gusts as high as 36 mph.

Monday Night

Partly cloudy, with a low around 6. Northwest wind 7 to 11 mph, with gusts as high as 23 mph.

Tuesday

Partly sunny, with a high near 26. West wind 7 to 10 mph, with gusts as high as 18 mph.

Tuesday Night

Mostly cloudy, with a low around 14. Northwest wind around 10 mph, with gusts as high as 18 mph.

Wednesday

Partly sunny, with a high near 18. Northwest wind around 10 mph, with gusts as high as 18 mph.

Wednesday Night

Mostly cloudy, with a low around 1. Northwest wind around 9 mph.