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 Sun Prairie Weather Forecast Summary |
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Today
Dec 18th
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Friday
Dec 19th
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Saturday
Dec 20th
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Sunday
Dec 21st
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Monday
Dec 22nd
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Mix of rain and snow |
Cloudy |
Cloudy |
Cloudy |
Cloudy |
44°F
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23°F
11°F |
35°F
13°F |
19°F
11°F |
32°F
22°F |
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| Sun Prairie Detailed Weather Forecast |
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| Friday, December 19th, 2025 |
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Overnight |
Temperature: 12°F |
| Cloudy. Windy. |
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Morning |
Temperature: 16°F |
| A mix of cloud and sun. Windy. |
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Afternoon |
Temperature: 21°F |
| Cloudy. |
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Evening |
Temperature: 23°F |
| Cloudy. Windy at times. |
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| Saturday, December 20th, 2025 |
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Overnight |
Temperature: 29°F |
| Cloudy. Windy. |
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Morning |
Temperature: 34°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 28°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 21°F |
| Cloudy. Wind 20 to 30 mph. |
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| Sunday, December 21st, 2025 |
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Overnight |
Temperature: 11°F |
| Clear. Windy. |
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Morning |
Temperature: 16°F |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 17°F |
| Sunny. |
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Evening |
Temperature: 18°F |
| Cloudy. |
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| Monday, December 22nd, 2025 |
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Overnight |
Temperature: 23°F |
| Cloudy with a chance of flurries. Windy at times. |
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Morning |
Temperature: 29°F |
| Cloudy. Windy. |
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Afternoon |
Temperature: 32°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 30°F |
| Cloudy. Windy at times. |
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| Tuesday, December 23rd, 2025 |
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Overnight |
Temperature: 32°F |
| Cloudy. Windy at times. |
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Morning |
Temperature: 38°F |
| Cloudy. |
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Afternoon |
Temperature: 31°F |
| Cloudy. |
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Evening |
Temperature: 30°F |
| Cloudy. |
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| Wednesday, December 24th, 2025 |
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Overnight |
Temperature: 31°F |
| Cloudy. |
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Morning |
Temperature: 36°F |
| Cloudy with a slight chance of showers. Showers possibly mixed with wet flurries. |
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Afternoon |
Temperature: 38°F |
| Cloudy. |
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Evening |
Temperature: 38°F |
| Cloudy. |
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| Thursday, December 25th, 2025 |
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Overnight |
Temperature: 37°F |
| Cloudy. |
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Morning |
Temperature: 38°F |
| Cloudy. |
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Afternoon |
Temperature: 38°F |
| Cloudy. |
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Evening |
Temperature: 37°F |
| Cloudy. Windy at times. |
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| Friday, December 26th, 2025 |
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Overnight |
Temperature: 35°F |
| Cloudy. Windy at times. |
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Morning |
Temperature: 31°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 27°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 26°F |
| Cloudy. Windy at times. |
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