Hazardous Weather Conditions
Current conditions at
Decorah (KDEH)
Lat: 43.28°NLon: 91.73°WElev: 1158ft.
Rain
70°F
21°C
| Humidity | 100% |
| Wind Speed | NE 9 mph |
| Barometer | 30.01 in |
| Dewpoint | 70°F (21°C) |
| Visibility | 2.00 mi |
| Last update | 18 Aug 2:35 am CDT |
Extended Forecast for
6 Miles SW Castalia IA
Overnight
Low: 68 °F
Chance
T-stormsMonday
High: 83 °F
Showers
Likely then
Chance
T-stormsMonday Night
Low: 69 °F
Chance
T-stormsTuesday
High: 81 °F
Mostly Sunny
Tuesday Night
Low: 62 °F
Mostly Clear
Wednesday
High: 77 °F
Sunny
Wednesday Night
Low: 57 °F
Mostly Clear
Thursday
High: 78 °F
Sunny
Thursday Night
Low: 58 °F
Mostly Clear
Detailed Forecast
Overnight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Southeast wind around 9 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and thunderstorms likely before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 83. Southeast wind 7 to 9 mph becoming southwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 69. Southwest wind around 6 mph becoming light and variable in the evening.
Tuesday
Mostly sunny, with a high near 81. North wind 3 to 8 mph.
Tuesday Night
Mostly clear, with a low around 62. North wind 3 to 6 mph.
Wednesday
Sunny, with a high near 77. Northeast wind around 6 mph.
Wednesday Night
Mostly clear, with a low around 57. Light and variable wind.
Thursday
Sunny, with a high near 78. Light east wind.
Thursday Night
Mostly clear, with a low around 58. Calm wind.
Friday
Mostly sunny, with a high near 78. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 57. Light northwest wind.
Saturday
Sunny, with a high near 73. Northwest wind 5 to 9 mph.
Saturday Night
Mostly clear, with a low around 50. Northwest wind 3 to 6 mph.
Sunday
Sunny, with a high near 68. Northwest wind 5 to 8 mph.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
6 Miles SW Castalia IA
43.06°N 91.77°W
43.06°N 91.77°W
2:44 am CDT Aug 18, 2025
2am CDT Aug 18, 2025-6pm CDT Aug 24, 2025
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