Dangerous Winter Storm Through Monday Morning

A dangerous winter storm will unfold tonight through Monday morning bringing heavy snowfall (possibly record-breaking for some), ice, and blizzard conditions. Make appropriate preparations, as power outages will be possible. Travel will become dangerous, if not impossible. Read More >

Current conditions at

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

Overcast

30°F

-1°C

Humidity 100%
Wind Speed E 17 G 25 mph
Barometer 29.63 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 15 Mar 3:15 am CDT
Extended Forecast for

3 Miles ENE Ossian IA

Winter Weather Advisory March 15, 03:28am until March 15, 01:00pm
Blizzard Warning March 15, 01:00pm until March 16, 07:00am
Click here for hazard details and duration
Winter Weather Advisory
Blizzard Warning
  •  
    Winter Weather Advisory March 15, 03:28am until March 15, 01:00pm

    NOW until 1:00pm Sun

    Winter Weather Advisory

  • Overnight

    Low: 32 °F

    Chance Rain
    and Breezy

  • Sunday

    Sunday: Rain, snow, and sleet before 2pm, then snow likely, possibly mixed with sleet between 2pm and 3pm, then snow likely after 3pm. Some thunder is also possible.  Patchy blowing snow after 2pm. Temperature falling to around 30 by 5pm. Windy, with a north wind 14 to 19 mph increasing to 24 to 29 mph in the afternoon.  Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 2 inches possible.

    High: 36 °F

    Wintry Mix
    and Patchy
    Blowing Snow

  • Sunday Night

    Sunday Night: Snow, mainly before 5am. The snow could be heavy at times.  Widespread blowing snow, mainly after 7pm. Low around 9. Wind chill values as low as -8. Very windy, with a northwest wind 33 to 37 mph, with gusts as high as 55 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 9 °F

    Heavy Snow
    and Blowing
    Snow

  • Monday

    Monday: A 30 percent chance of snow, mainly between 7am and 1pm.  Widespread blowing snow, mainly before 10am. Cloudy, with a high near 14. Wind chill values as low as -14. Windy, with a northwest wind 28 to 33 mph decreasing to 22 to 27 mph in the afternoon.

    High: 14 °F

    Chance Snow
    and Blowing
    Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around -3. Blustery, with a northwest wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 31 mph.

    Low: -3 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: A 20 percent chance of snow after 1pm.  Mostly sunny, with a high near 23. West wind 5 to 8 mph becoming south in the afternoon.

    High: 23 °F

    Sunny then
    Slight Chance
    Snow

  • Tuesday Night

    Tuesday Night: Snow, mainly before 1am.  Low around 16. South wind 10 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 90%.

    Low: 16 °F

    Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 40. West wind around 7 mph.

    High: 40 °F

    Mostly Sunny

Detailed Forecast

Overnight
A 50 percent chance of rain and thunderstorms. Cloudy, with a low around 32. Breezy, with an east wind around 17 mph, with gusts as high as 25 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Rain, snow, and sleet before 2pm, then snow likely, possibly mixed with sleet between 2pm and 3pm, then snow likely after 3pm. Some thunder is also possible. Patchy blowing snow after 2pm. Temperature falling to around 30 by 5pm. Windy, with a north wind 14 to 19 mph increasing to 24 to 29 mph in the afternoon. Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 2 inches possible.
Sunday Night
Snow, mainly before 5am. The snow could be heavy at times. Widespread blowing snow, mainly after 7pm. Low around 9. Wind chill values as low as -8. Very windy, with a northwest wind 33 to 37 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Monday
A 30 percent chance of snow, mainly between 7am and 1pm. Widespread blowing snow, mainly before 10am. Cloudy, with a high near 14. Wind chill values as low as -14. Windy, with a northwest wind 28 to 33 mph decreasing to 22 to 27 mph in the afternoon.
Monday Night
Partly cloudy, with a low around -3. Blustery, with a northwest wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 31 mph.
Tuesday
A 20 percent chance of snow after 1pm. Mostly sunny, with a high near 23. West wind 5 to 8 mph becoming south in the afternoon.
Tuesday Night
Snow, mainly before 1am. Low around 16. South wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.
Wednesday
Mostly sunny, with a high near 40. West wind around 7 mph.
Wednesday Night
Partly cloudy, with a low around 29. Southwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 46. Northwest wind around 6 mph.
Thursday Night
Mostly cloudy, with a low around 34. South wind 5 to 7 mph.
Friday
Mostly cloudy, with a high near 55. Southwest wind 8 to 11 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 33. Northwest wind around 11 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 48. North wind 11 to 13 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Ossian IA
 43.17°N 91.71°W
2:21 am CDT Mar 15, 2026
3am CDT Mar 15, 2026-6pm CDT Mar 21, 2026
 
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