Hazardous Weather Conditions
Current conditions at
Decorah (KDEH)
Lat: 43.28°NLon: 91.73°WElev: 1158ft.
Partly Cloudy
70°F
21°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 30.08 in |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Last update | 17 Aug 9:35 am CDT |
Extended Forecast for
4 Miles NE Castalia IA
Today
High: 80 °F
Mostly Cloudy
Tonight
Low: 66 °F
Slight Chance
T-storms then
Showers
LikelyMonday
High: 86 °F
Showers
LikelyMonday Night
Low: 68 °F
Chance
T-storms then
Chance
ShowersTuesday
High: 78 °F
Mostly Sunny
Tuesday Night
Low: 60 °F
Partly Cloudy
Wednesday
High: 77 °F
Mostly Sunny
Wednesday Night
Low: 58 °F
Mostly Clear
Thursday
High: 78 °F
Sunny
Detailed Forecast
Today
Mostly cloudy, with a high near 80. East wind 6 to 10 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 66. East wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. South wind 6 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 68. Southwest wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 78. North wind 5 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 60. North wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 77. Northeast wind around 6 mph.
Wednesday Night
Mostly clear, with a low around 58. Light northeast wind.
Thursday
Sunny, with a high near 78. Light and variable wind.
Thursday Night
Mostly clear, with a low around 59. Calm wind.
Friday
Mostly sunny, with a high near 80. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 59. Light northwest wind.
Saturday
Mostly sunny, with a high near 75. Northwest wind 3 to 7 mph.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles NE Castalia IA
43.17°N 91.62°W
43.17°N 91.62°W
8:29 am CDT Aug 17, 2025
9am CDT Aug 17, 2025-6pm CDT Aug 23, 2025
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