High Impact Winter Storm This Weekend

A high impact winter storm is expected Saturday night through Monday morning which could bring heavy snow, freezing rain, and blizzard conditions. Monitor the forecast for the latest updates and make appropriate preparations! Read More >

Hazardous Weather Conditions

Winter Storm Watch in effect from March 15, 01:00 AM CDT until March 16, 01:00 PM CDT

Current conditions at

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

A Few Clouds

41°F

5°C

Humidity	45%
Wind Speed	NW 18 G 35 mph
Barometer	29.86 in
Dewpoint	21°F (-6°C)
Visibility	10.00 mi
Wind Chill	32°F (0°C)
Last update	13 Mar 3:35 pm CDT

More Information:

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

Extended Forecast for

Calmar IA

Winter Storm Watch March 15, 01:00am until March 16, 01:00pm

Click here for hazard details and duration

Winter Storm Watch

Tonight
Low: 26 °F
Partly Cloudy
and Blustery
then Slight
Chance Snow
Saturday
High: 37 °F
Chance Snow
Saturday Night
Low: 31 °F
Breezy.
Chance Wintry
Mix then
Rain/Snow
Sunday
High: 41 °F
Wintry Mix
and Blowing
Snow
Sunday Night
Low: 8 °F
Heavy Snow
and Blowing
Snow
Monday
High: 15 °F
Chance Snow
and Areas
Blowing Snow
Monday Night
Low: -2 °F
Partly Cloudy
and Blustery
then Mostly
Clear
Tuesday
High: 22 °F
Sunny then
Slight Chance
Snow
Tuesday Night
Low: 15 °F
Snow Likely

Detailed Forecast

Tonight

A 10 percent chance of snow after 4am. Increasing clouds, with a low around 26. Blustery, with a northwest wind 12 to 17 mph becoming light and variable after midnight. Winds could gust as high as 25 mph.

Saturday

A 30 percent chance of snow, mainly between 9am and 2pm. Cloudy, with a high near 37. Light southeast wind becoming east 8 to 13 mph in the morning.

Saturday Night

A chance of snow and sleet before 11pm, then a chance of rain and snow between 11pm and 1am, then rain after 1am. Some thunder is also possible. Low around 31. Breezy, with an east wind 14 to 18 mph. Chance of precipitation is 80%. New snow and sleet accumulation of less than a half inch possible.

Sunday

Snow and sleet, possibly mixed with rain, becoming all snow after 4pm. The snow could be heavy at times. Some thunder is also possible. Widespread blowing snow after 4pm. High near 41. Windy, with an east wind 16 to 21 mph becoming north 24 to 29 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 3 inches possible.

Sunday Night

Snow. The snow could be heavy at times. Widespread blowing snow. Low around 8. Very windy, with a north wind 33 to 36 mph, with gusts as high as 46 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.

Monday

A 30 percent chance of snow before 1pm. Areas of blowing snow. Mostly cloudy, with a high near 15. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 41 mph.

Monday Night

Partly cloudy, with a low around -2. Blustery, with a northwest wind 18 to 23 mph decreasing to 11 to 16 mph after midnight.

Tuesday

A 20 percent chance of snow after 1pm. Mostly sunny, with a high near 22. Northwest wind 7 to 10 mph becoming south in the afternoon.

Tuesday Night

Snow likely, mainly before 1am. Mostly cloudy, with a low around 15. South wind around 11 mph. Chance of precipitation is 60%.

Wednesday

Mostly sunny, with a high near 40. South wind around 8 mph becoming west in the afternoon.

Wednesday Night

Partly cloudy, with a low around 30. West wind around 6 mph.

Thursday

Mostly sunny, with a high near 48. West wind around 8 mph.