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

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

Overcast

48°F

9°C

Humidity 66%
Wind Speed N 8 G 15 mph
Barometer 29.73 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 10 Mar 12:35 am CDT
Extended Forecast for

Dorchester IA

  • Overnight

    Overnight: Mostly clear, with a low around 36. Northeast wind around 6 mph.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 54. East wind 7 to 9 mph, with gusts as high as 18 mph.

    High: 54 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers before 10pm, then a slight chance of showers after 1am. Mostly cloudy, with a low around 31. Northeast wind around 8 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of rain and snow showers before 7am, then a chance of snow showers between 7am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 41. North wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 24. Northwest wind 5 to 7 mph becoming calm after midnight.

    Low: 24 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 46. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 46 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Rain likely before 4am, then a chance of rain and snow. Mostly cloudy, with a low around 31. South wind 9 to 14 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 70%.

    Low: 31 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Friday

    Friday: A 30 percent chance of snow before 7am. Partly sunny, with a high near 43. Northwest wind 9 to 15 mph, with gusts as high as 28 mph.

    High: 43 °F

    Chance Snow
    then Partly
    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 26. Northwest wind around 5 mph becoming calm in the evening.

    Low: 26 °F

    Mostly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 36. Northeast wind around 6 mph.
Tuesday
Partly sunny, with a high near 54. East wind 7 to 9 mph, with gusts as high as 18 mph.
Tuesday Night
A slight chance of showers before 10pm, then a slight chance of showers after 1am. Mostly cloudy, with a low around 31. Northeast wind around 8 mph. Chance of precipitation is 20%.
Wednesday
A chance of rain and snow showers before 7am, then a chance of snow showers between 7am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 41. North wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Wednesday Night
Mostly clear, with a low around 24. Northwest wind 5 to 7 mph becoming calm after midnight.
Thursday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 46. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Thursday Night
Rain likely before 4am, then a chance of rain and snow. Mostly cloudy, with a low around 31. South wind 9 to 14 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 70%.
Friday
A 30 percent chance of snow before 7am. Partly sunny, with a high near 43. Northwest wind 9 to 15 mph, with gusts as high as 28 mph.
Friday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 26. Northwest wind around 5 mph becoming calm in the evening.
Saturday
A 40 percent chance of snow. Cloudy, with a high near 44. Southeast wind 6 to 8 mph.
Saturday Night
Rain and snow likely. Cloudy, with a low around 27. Northeast wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Sunday
Snow likely. Mostly cloudy, with a high near 33. North wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 11. Northwest wind 10 to 14 mph, with gusts as high as 25 mph.
Monday
Partly sunny, with a high near 24. Northwest wind around 10 mph, with gusts as high as 20 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dorchester IA
 43.47°N 91.52°W
Last Update:
10:36 pm CDT Mar 9, 2026
Forecast Valid:
12am CDT Mar 10, 2026-6pm CDT Mar 16, 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