 |
 Current Decorah Weather Conditions |
Updated May 18th at 10:55 am |
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| Overcast |
| Temperature: | 70°F |
Dew Point: | 70°F |
| Barometer: | 29.74 inHg |
Wind: | 13 Mph |
| Humidity: | 100.0% |
Visibility: | 0M |
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| Decorah Weather Forecast Summary |
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Today
May 18th
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Tuesday
May 19th
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Wednesday
May 20th
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Thursday
May 21st
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Friday
May 22nd
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Thundershowers |
Mostly Cloudy with Showers |
Mostly Sunny |
Mix of Cloud and Sun |
Cloudy |
75°F
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63°F
48°F |
57°F
38°F |
61°F
43°F |
52°F
46°F |
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| Decorah Detailed Weather Forecast |
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| Monday, May 18th, 2026 |
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Afternoon |
Temperature: 74°F |
| Mostly sunny with a chance of showers or thundershowers. Windy at times. |
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Evening |
Temperature: 71°F |
| A mix of clear and cloudy skies with a few showers. Chance of a thunderstorm. Windy at times. |
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| Tuesday, May 19th, 2026 |
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Overnight |
Temperature: 62°F |
| A mix of cloudy and clear skies with a few showers. Windy at times. |
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Morning |
Temperature: 50°F |
| A mix of cloud and sun with a slight chance of showers. Windy at times. |
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Afternoon |
Temperature: 52°F |
| A mix of sun and cloud. Windy. |
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Evening |
Temperature: 49°F |
| Clear with cloudy periods. Windy at times. |
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| Wednesday, May 20th, 2026 |
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Overnight |
Temperature: 38°F |
| Clear. |
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Morning |
Temperature: 44°F |
| Mostly sunny. |
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Afternoon |
Temperature: 56°F |
| A mix of cloud and sun. |
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Evening |
Temperature: 53°F |
| A mix of cloudy and clear skies. |
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| Thursday, May 21st, 2026 |
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Overnight |
Temperature: 45°F |
| Mostly cloudy. |
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Morning |
Temperature: 47°F |
| Sunny with cloudy periods. Windy at times. |
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Afternoon |
Temperature: 59°F |
| A mix of cloud and sun. Windy at times. |
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Evening |
Temperature: 56°F |
| Mostly cloudy. Windy at times. |
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| Friday, May 22nd, 2026 |
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Overnight |
Temperature: 47°F |
| Cloudy. |
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Morning |
Temperature: 47°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 52°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 49°F |
| Cloudy with a chance of showers. Windy at times. |
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| Saturday, May 23rd, 2026 |
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Overnight |
Temperature: 50°F |
| A mix of cloudy and clear skies with a slight chance of showers. Windy at times. |
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Morning |
Temperature: 50°F |
| A mix of cloud and sun. Windy at times. |
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Afternoon |
Temperature: 60°F |
| A mix of cloud and sun. Windy at times. |
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Evening |
Temperature: 60°F |
| Cloudy with clear periods with a chance of showers. |
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| Sunday, May 24th, 2026 |
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Overnight |
Temperature: 59°F |
| A mix of cloudy and clear skies with a chance of showers. |
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Morning |
Temperature: 64°F |
| Sunny. |
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Afternoon |
Temperature: 74°F |
| Sunny. |
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Evening |
Temperature: 67°F |
| Mostly clear. Slight chance of a thunderstorm. |
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| Monday, May 25th, 2026 |
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Overnight |
Temperature: 59°F |
| Mostly clear. |
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Morning |
Temperature: 66°F |
| Mostly sunny. Slight chance of a thunderstorm. Windy at times. |
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Afternoon |
Temperature: 77°F |
| Sunny with cloudy periods. Chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 69°F |
| Mostly clear. Chance of a thunderstorm. Windy at times. |
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| Tuesday, May 26th, 2026 |
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Overnight |
Temperature: 63°F |
| Mostly clear. |
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Morning |
Temperature: 70°F |
| Mostly sunny. Chance of a thunderstorm. Windy at times. |
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Afternoon |
Temperature: 82°F |
| Sunny. Chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 75°F |
| Clear. Chance of a thunderstorm. Windy at times. |
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