Current conditions at
Decorah (KDEH)
Lat: 43.28°NLon: 91.73°WElev: 1158ft.
Fair
9°F
-13°C
| Humidity | 92% |
| Wind Speed | Calm |
| Barometer | 30.40 in |
| Dewpoint | 7°F (-14°C) |
| Visibility | 9.00 mi |
| Last update | 4 Feb 9:15 am CST |
Extended Forecast for
Dorchester IA
Today

High: 25 °F
Partly Sunny
Tonight
Low: 13 °F
Cloudy then
Chance SnowThursday
High: 36 °F
Chance Wintry
Mix then
Partly SunnyThursday Night

Low: 29 °F
Mostly Cloudy
Friday

High: 38 °F
Partly Sunny
Friday Night

Low: 14 °F
Partly Cloudy
Saturday

High: 31 °F
Mostly Sunny
Saturday Night

Low: 23 °F
Mostly Cloudy
Sunday

High: 36 °F
Mostly Sunny
Detailed Forecast
Today
Partly sunny, with a high near 25. Calm wind.
Tonight
A 30 percent chance of snow, mainly after 5am. Cloudy, with a low around 13. Calm wind becoming southwest around 6 mph after midnight.
Thursday
A chance of snow, mixing with freezing rain after 8am, then gradually ending. Mostly cloudy, with a high near 36. Southwest wind 5 to 7 mph becoming northwest in the afternoon. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Thursday Night
Mostly cloudy, with a low around 29. Light west wind becoming northwest 8 to 13 mph in the evening. Winds could gust as high as 26 mph.
Friday
Partly sunny, with a high near 38. Northwest wind 9 to 14 mph, with gusts as high as 28 mph.
Friday Night
Partly cloudy, with a low around 14. North wind 5 to 8 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 31. Calm wind becoming south 5 to 7 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 23. Southeast wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 36. East wind around 6 mph becoming calm in the afternoon.
Sunday Night
Partly cloudy, with a low around 24. Light south wind.
Monday
Mostly sunny, with a high near 43. Calm wind becoming south around 6 mph in the morning.
Monday Night
Partly cloudy, with a low around 30. South wind around 5 mph.
Tuesday
A 20 percent chance of rain. Mostly sunny, with a high near 44. South wind 5 to 7 mph becoming northwest in the afternoon.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Dorchester IA
43.47°N 91.52°W
43.47°N 91.52°W
8:39 am CST Feb 4, 2026
9am CST Feb 4, 2026-6pm CST Feb 10, 2026


