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Hazardous Weather Conditions
Current conditions at
Decorah (KDEH)
Lat: 43.28°NLon: 91.73°WElev: 1158ft.
Overcast
63°F
17°C
| Humidity | 100% |
| Wind Speed | E 13 mph |
| Barometer | 30.07 in |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 18 Sep 6:55 pm CDT |
Extended Forecast for
Decorah IA
Flood Watch until September 19, 01:00pm
NOW until 1:00pm Sat
Flood Watch
Tonight
Low: 60 °F
Showers
Likely then
Heavy RainSaturday

High: 73 °F
Heavy Rain
Saturday Night

Low: 56 °F
Showers
LikelySunday

High: 66 °F
Slight Chance
ShowersSunday Night

Low: 51 °F
Mostly Cloudy
Monday

High: 61 °F
Chance
ShowersMonday Night

Low: 46 °F
Chance
ShowersTuesday

High: 60 °F
Partly Sunny
Detailed Forecast
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 60. East wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Saturday
Showers and thunderstorms likely, mainly before 1pm, then showers likely and possibly a thunderstorm after 4pm. Some of the storms could produce heavy rainfall. Cloudy, with a high near 73. Southeast wind 6 to 9 mph becoming north in the afternoon. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Saturday Night
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers after 10pm. Cloudy, with a low around 56. Northeast wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 66. Northeast wind 10 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Mostly cloudy, with a low around 51. Northeast wind around 9 mph.
Monday
A 40 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 61. Northeast wind around 10 mph, with gusts as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 46. Northeast wind 5 to 8 mph.
Tuesday
Partly sunny, with a high near 60. East wind 5 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 44. Calm wind.
Wednesday
Sunny, with a high near 64. Light east wind.
Wednesday Night
Partly cloudy, with a low around 48. Calm wind.
Thursday
Partly sunny, with a high near 68. Calm wind.
Thursday Night
Partly cloudy, with a low around 51. Calm wind.
Friday
Mostly sunny, with a high near 70. Light and variable wind.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Decorah IA
43.32°N 91.79°W
43.32°N 91.79°W
6:16 pm CDT Sep 18, 2026
7pm CDT Sep 18, 2026-6pm CDT Sep 25, 2026



