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.

Mostly Cloudy

52°F

11°C

Humidity 77%
Wind Speed S 6 mph
Barometer 29.82 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 21 Apr 5:55 am CDT
Extended Forecast for

Dorchester IA

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 77. South wind 5 to 8 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 77 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 47. Northeast wind 3 to 5 mph.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78. East wind 6 to 13 mph becoming south in the afternoon.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60. South wind 7 to 9 mph, with gusts as high as 18 mph.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 75. South wind 9 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

    High: 75 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Low around 51. South wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Showers

  • Friday

    Friday: A 30 percent chance of showers, mainly before 1pm. Mostly sunny, with a high near 64. Northwest wind 7 to 9 mph, with gusts as high as 18 mph.

    High: 64 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 41. Northwest wind 5 to 8 mph.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 64. North wind 5 to 8 mph.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 77. South wind 5 to 8 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Tonight
Mostly clear, with a low around 47. Northeast wind 3 to 5 mph.
Wednesday
Sunny, with a high near 78. East wind 6 to 13 mph becoming south in the afternoon.
Wednesday Night
Partly cloudy, with a low around 60. South wind 7 to 9 mph, with gusts as high as 18 mph.
Thursday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 75. South wind 9 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Thursday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 51. South wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A 30 percent chance of showers, mainly before 1pm. Mostly sunny, with a high near 64. Northwest wind 7 to 9 mph, with gusts as high as 18 mph.
Friday Night
Mostly clear, with a low around 41. Northwest wind 5 to 8 mph.
Saturday
Mostly sunny, with a high near 64. North wind 5 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 41. North wind 3 to 5 mph.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 61. East wind 3 to 7 mph.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 45. East wind around 7 mph.
Monday
A 50 percent chance of showers. Mostly cloudy, with a high near 60. East wind 7 to 9 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:
5:11 am CDT Apr 21, 2026
Forecast Valid:
6am CDT Apr 21, 2026-6pm CDT Apr 27, 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