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Current conditions at
Decorah (KDEH)
Lat: 43.28°NLon: 91.73°WElev: 1158ft.
Fair
54°F
12°C
| Humidity | 58% |
| Wind Speed | SE 18 G 28 mph |
| Barometer | 29.66 in |
| Dewpoint | 39°F (4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 49°F (9°C) |
| Last update | 17 Feb 12:55 pm CST |
Extended Forecast for
Dorchester IA
This Afternoon

High: 56 °F
Mostly Cloudy
and BreezyTonight

Low: 43 °F
Showers
Likely and
BreezyWednesday

High: 60 °F
Sunny and
BreezyWednesday Night

Low: 30 °F
Mostly Clear
Thursday

High: 49 °F
Chance Rain
Thursday Night

Low: 28 °F
Rain/Snow
LikelyFriday

High: 34 °F
Chance Snow
Friday Night
Low: 20 °F
Slight Chance
Snow then
Mostly CloudySaturday

High: 32 °F
Partly Sunny
Detailed Forecast
This Afternoon
Mostly cloudy, with a high near 56. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 32 mph.
Tonight
Showers and thunderstorms likely before 1am, then a chance of rain between 1am and 3am. Mostly cloudy, then gradually becoming mostly clear, with a low around 43. Breezy, with a southeast wind 14 to 18 mph becoming southwest after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Sunny, with a high near 60. Breezy, with a west wind 14 to 24 mph, with gusts as high as 40 mph.
Wednesday Night
Mostly clear, with a low around 30. West wind 5 to 8 mph becoming light and variable after midnight.
Thursday
A 40 percent chance of rain, mainly after noon. Mostly sunny, with a high near 49. Northeast wind 3 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain and snow likely, becoming all snow after 3am. Mostly cloudy, with a low around 28. North wind 8 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 34. West wind 9 to 13 mph, with gusts as high as 22 mph.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 20. West wind 6 to 8 mph, with gusts as high as 18 mph.
Saturday
Partly sunny, with a high near 32. Northwest wind 6 to 8 mph.
Saturday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 15. Northwest wind around 7 mph.
Sunday
Mostly sunny, with a high near 27. Northwest wind 7 to 9 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 11. Northwest wind 3 to 7 mph.
Monday
Sunny, with a high near 30. North wind 3 to 5 mph.
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
11:27 am CST Feb 17, 2026
1pm CST Feb 17, 2026-6pm CST Feb 23, 2026


