Current conditions at
Decorah (KDEH)
Lat: 43.28°NLon: 91.73°WElev: 1158ft.
A Few Clouds
84°F
29°C
| Humidity | 33% |
| Wind Speed | S 8 G 17 mph |
| Barometer | 29.94 in |
| Dewpoint | 52°F (11°C) |
| Visibility | 10.00 mi |
| Heat Index | 82°F (28°C) |
| Last update | 25 May 4:35 pm CDT |
Extended Forecast for
3 Miles SE Castalia IA
Tonight

Low: 60 °F
Clear
Tuesday

High: 85 °F
Sunny
Tuesday Night
Low: 60 °F
Slight Chance
T-storms then
Chance
ShowersWednesday

High: 85 °F
Chance
T-stormsWednesday Night

Low: 57 °F
Mostly Clear
Thursday

High: 77 °F
Sunny
Thursday Night

Low: 52 °F
Mostly Clear
Friday

High: 77 °F
Sunny
Friday Night

Low: 53 °F
Partly Cloudy
Detailed Forecast
Tonight
Clear, with a low around 60. South wind 8 to 11 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 85. Southwest wind around 9 mph, with gusts as high as 20 mph.
Tuesday Night
A slight chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 60. South wind 3 to 8 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 85. Light and variable wind becoming northeast around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 57. Light northeast wind becoming east 5 to 10 mph after midnight. Winds could gust as high as 18 mph.
Thursday
Sunny, with a high near 77. East wind around 9 mph.
Thursday Night
Mostly clear, with a low around 52. East wind 5 to 7 mph becoming calm in the evening.
Friday
Sunny, with a high near 77. East wind 3 to 5 mph.
Friday Night
Partly cloudy, with a low around 53. Light east wind.
Saturday
Mostly sunny, with a high near 75. Light east wind increasing to 5 to 9 mph in the morning.
Saturday Night
Partly cloudy, with a low around 52. East wind 5 to 8 mph.
Sunday
Sunny, with a high near 74. East wind 5 to 7 mph.
Sunday Night
Mostly clear, with a low around 52. East wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 77. Light and variable wind becoming northwest around 5 mph in the afternoon.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SE Castalia IA
43.08°N 91.62°W
43.08°N 91.62°W
3:32 pm CDT May 25, 2026
4pm CDT May 25, 2026-6pm CDT Jun 1, 2026


