Decorah, IA Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Decorah, IA in one place.
Showers and thunderstorms. Mostly cloudy, with a high near 71. South wind 15 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 80%.
Local Weather Overview
This forecast page for Decorah, IA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 9, 2026 7:49 PM CDT.
The active forecast window currently covers Apr 12 to Apr 15, 2026 for Decorah, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 12 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 7:49 PM CDT
- Forecast office
- ARX
- Source
- NOAA / NWS
Daily Outlook
This Week in Decorah
Monday looks like the warmest upcoming period in Decorah at 78 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Sunday at about 15 to 21 mph S.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 7:49 PM CDT
- Coverage
- 4 days
- Time zone
- America/Chicago
- Forecast office
- ARX
- Radar station
- KARX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely. Mostly cloudy, with a low around 60. Southwest wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.
A slight chance of rain showers before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 78. Southwest wind around 12 mph. Chance of precipitation is 30%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 60. South wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely. Partly sunny, with a high near 76. South wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 50. South wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Rain showers likely. Partly sunny, with a high near 64. Southwest wind around 13 mph. Chance of precipitation is 60%.
A chance of rain showers. Partly cloudy, with a low around 46. Southwest wind 6 to 10 mph. Chance of precipitation is 50%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Apr 12
|
Showers And Thunderstorms
|
71°F |
15 to 21 mph
S
|
|
Sunday Night
Apr 12
|
Showers And Thunderstorms Likely
|
60°F |
10 to 18 mph
SW
|
|
Monday
Apr 13
|
Chance Showers And Thunderstorms
|
78°F |
12 mph
SW
|
|
Monday Night
Apr 13
|
Showers And Thunderstorms Likely
|
60°F |
7 to 10 mph
S
|
|
Tuesday
Apr 14
|
Showers And Thunderstorms Likely
|
76°F |
7 to 10 mph
S
|
|
Tuesday Night
Apr 14
|
Showers And Thunderstorms Likely
|
50°F |
10 mph
S
|
|
Wednesday
Apr 15
|
Rain Showers Likely
|
64°F |
13 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Rain Showers
|
46°F |
6 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Decorah.
Nearby forecast pages are not available for this location yet.
