National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

Fair

54°F

12°C

Humidity 54%
Wind Speed E 16 G 22 mph
Barometer 29.73 in
Dewpoint 37°F (3°C)
Visibility 9.00 mi
Wind Chill50°F (10°C)
Last update 10 Mar 3:15 pm CDT
Extended Forecast for

Ossian IA

  • This Afternoon

    This Afternoon: A 30 percent chance of rain and thunderstorms, mainly after 5pm. Mostly cloudy, with a high near 52. East wind around 14 mph.

    High: 52 °F

    Chance Rain

  • Tonight

    Tonight: A chance of rain before 9pm, then a chance of sleet after 5am. Some thunder is also possible. Cloudy, with a low around 31. Northeast wind around 14 mph. Chance of precipitation is 40%. Little or no sleet accumulation expected.

    Low: 31 °F

    Chance Rain
    then Chance
    Sleet

  • Wednesday

    Wednesday: Snow likely, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 38. Breezy, with a north wind 14 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Breezy. Snow
    Likely then
    Chance Snow

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 25. West wind 6 to 13 mph, with gusts as high as 21 mph.

    Low: 25 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 45. Breezy, with a south wind 6 to 16 mph, with gusts as high as 24 mph.

    High: 45 °F

    Sunny then
    Mostly Cloudy
    and Breezy

  • Thursday Night

    Thursday Night: Rain before 4am, then a chance of rain and snow. Low around 30. Windy, with a south wind 16 to 21 mph becoming southwest 23 to 28 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 30 °F

    Rain and
    Breezy then
    Rain/Snow and
    Windy

  • Friday

    Friday: A 30 percent chance of snow before 7am. Partly sunny, with a high near 42. Windy, with a northwest wind 23 to 28 mph decreasing to 17 to 22 mph in the afternoon. Winds could gust as high as 39 mph.

    High: 42 °F

    Chance Snow
    and Windy
    then Partly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: A 30 percent chance of snow showers after 1am. Mostly cloudy, with a low around 27. Northwest wind 5 to 8 mph becoming east after midnight.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Saturday

    Saturday: A 40 percent chance of snow showers. Cloudy, with a high near 41. Southeast wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 41 °F

    Chance Snow
    Showers

Detailed Forecast

This Afternoon
A 30 percent chance of rain and thunderstorms, mainly after 5pm. Mostly cloudy, with a high near 52. East wind around 14 mph.
Tonight
A chance of rain before 9pm, then a chance of sleet after 5am. Some thunder is also possible. Cloudy, with a low around 31. Northeast wind around 14 mph. Chance of precipitation is 40%. Little or no sleet accumulation expected.
Wednesday
Snow likely, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 38. Breezy, with a north wind 14 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
Mostly clear, with a low around 25. West wind 6 to 13 mph, with gusts as high as 21 mph.
Thursday
Partly sunny, with a high near 45. Breezy, with a south wind 6 to 16 mph, with gusts as high as 24 mph.
Thursday Night
Rain before 4am, then a chance of rain and snow. Low around 30. Windy, with a south wind 16 to 21 mph becoming southwest 23 to 28 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday
A 30 percent chance of snow before 7am. Partly sunny, with a high near 42. Windy, with a northwest wind 23 to 28 mph decreasing to 17 to 22 mph in the afternoon. Winds could gust as high as 39 mph.
Friday Night
A 30 percent chance of snow showers after 1am. Mostly cloudy, with a low around 27. Northwest wind 5 to 8 mph becoming east after midnight.
Saturday
A 40 percent chance of snow showers. Cloudy, with a high near 41. Southeast wind 7 to 10 mph, with gusts as high as 18 mph.
Saturday Night
Rain and snow showers likely, mainly after 1am. Cloudy, with a low around 27. Blustery, with an east wind 10 to 16 mph. Chance of precipitation is 70%.
Sunday
Rain and snow showers likely. Mostly cloudy, with a high near 33. Breezy, with a northeast wind 17 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Sunday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 7. Blustery, with a northwest wind 17 to 22 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 20. Northwest wind 11 to 14 mph.
Monday Night
Mostly clear, with a low around 6. West wind 6 to 8 mph.
Tuesday
A 20 percent chance of snow showers. Partly sunny, with a high near 29. South wind 6 to 9 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ossian IA
 43.15°N 91.74°W
Last Update:
2:01 pm CDT Mar 10, 2026
Forecast Valid:
3pm CDT Mar 10, 2026-6pm CDT Mar 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation