Winter Storm System To Bring Widespread Impacts Across the Eastern Half of the U.S. Through Midweek

A developing winter storm system will bring a swath of heavy snow and ice from Oklahoma into the Midwest, Ohio Valley, Mid Atlantic, and the Northeast U.S. Tuesday through Wednesday. Areas of dangerous travel are likely. Further South, several inches of heavy rain will lead to the potential for flooding in the lower Mississippi and Tennessee River Valleys. Read More >

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Current conditions at

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

Fair

0°F

-18°C

Humidity	100%
Wind Speed	Calm
Barometer	30.52 in
Dewpoint	0°F (-18°C)
Visibility	10.00 mi
Last update	19 Feb 3:15 am CST

More Information:

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

Extended Forecast for

Decorah IA

Overnight

Mostly Clear
Low: -6 °F
Tuesday

Mostly Sunny
High: 20 °F
Tuesday
Night

Mostly Cloudy
then Snow
Low: 16 °F⇑
Wednesday

Heavy Snow
High: 30 °F
Wednesday
Night

Slight Chance
Wintry Mix
then Mostly
Cloudy
Low: 14 °F
Thursday

Mostly Sunny
High: 25 °F
Thursday
Night

Partly Cloudy
Low: 7 °F
Friday

Mostly Cloudy
High: 30 °F
Friday
Night

Chance Snow
then Snow
Likely
Low: 25 °F

Detailed Forecast

Overnight

Mostly clear, with a low around -6. Calm wind.

Tuesday

Mostly sunny, with a high near 20. Wind chill values as low as -4. Light and variable wind.

Tuesday Night

Snow, mainly after 3am. Temperature rising to around 20 by 5am. Light southeast wind becoming east 5 to 10 mph in the evening. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Wednesday

Snow, mainly before 3pm. The snow could be heavy at times. High near 30. East wind 9 to 15 mph becoming southwest in the afternoon. Chance of precipitation is 100%. New snow accumulation of 4 to 6 inches possible.

Wednesday Night

A slight chance of snow, mixing with freezing drizzle after 11pm, then gradually ending. Mostly cloudy, with a low around 14. West wind 8 to 11 mph. Chance of precipitation is 20%.

Thursday

Mostly sunny, with a high near 25. West wind around 7 mph.

Thursday Night

Partly cloudy, with a low around 7. West wind around 5 mph becoming light and variable in the evening.

Friday

Mostly cloudy, with a high near 30. Light east wind becoming southeast 5 to 9 mph in the morning.

Friday Night

Snow likely, mainly after midnight. Mostly cloudy, with a low around 25. Southeast wind 6 to 9 mph. Chance of precipitation is 60%.

Saturday

A slight chance of snow before 11am, then a chance of rain and snow. Cloudy, with a high near 36. Northeast wind 5 to 9 mph. Chance of precipitation is 40%.

Saturday Night

Snow. Low around 26. Blustery, with a northeast wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

Sunday

Snow likely. Mostly cloudy, with a high near 32. Breezy, with a northwest wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

Sunday Night

Mostly cloudy, with a low around 14. Northwest wind 9 to 14 mph.

Monday

Partly sunny, with a high near 25. West wind around 9 mph becoming south in the afternoon.