Hazardous Weather Conditions
Current conditions at
Decorah (KDEH)
Lat: 43.28°NLon: 91.73°WElev: 1158ft.
Fog/Mist
25°F
-4°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 30.15 in |
| Dewpoint | 25°F (-4°C) |
| Visibility | 3.00 mi |
| Last update | 4 Mar 6:35 am CST |
Extended Forecast for
Decorah IA
Dense Fog Advisory March 4, 07:01am until March 4, 10:00am
NOW until 10:00am Wed
Dense Fog Advisory
Today
High: 52 °F
Dense Fog
then Mostly
SunnyTonight
Low: 35 °F
Mostly Cloudy
then Slight
Chance
ShowersThursday
High: 51 °F
Slight Chance
Showers then
Mostly CloudyThursday Night
Low: 42 °F
Mostly Cloudy
then Showers
LikelyFriday

High: 63 °F
Showers
Friday Night
Low: 33 °F
Showers then
Chance
ShowersSaturday

High: 48 °F
Mostly Sunny
Saturday Night

Low: 35 °F
Partly Cloudy
Detailed Forecast
Today
Widespread dense fog before 10am. Otherwise, mostly sunny, with a high near 52. Light southeast wind.
Tonight
A 20 percent chance of showers after 5am. Increasing clouds, with a low around 35. Calm wind.
Thursday
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 51. Calm wind becoming southeast around 5 mph.
Thursday Night
Showers likely and possibly a thunderstorm, mainly after 3am. Mostly cloudy, with a low around 42. Calm wind becoming southeast 5 to 7 mph after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers and possibly a thunderstorm. High near 63. Southeast wind 7 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 33. Southwest wind 8 to 11 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Mostly sunny, with a high near 48. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 35. Southwest wind 7 to 13 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 59. Breezy, with a southwest wind 10 to 16 mph.
Sunday Night
Mostly clear, with a low around 40. Southwest wind around 9 mph.
Monday
Sunny, with a high near 67. Breezy, with a southwest wind 9 to 16 mph.
Monday Night
A 20 percent chance of showers. Mostly clear, with a low around 44. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday
A 50 percent chance of showers. Partly sunny, with a high near 59. Southwest wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 23 mph.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Decorah IA
43.3°N 91.79°W
43.3°N 91.79°W
6:57 am CST Mar 4, 2026
7am CST Mar 4, 2026-6pm CDT Mar 10, 2026



