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 Sun Prairie Weather Forecast Summary |
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Today
Jan 18th
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Monday
Jan 19th
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Tuesday
Jan 20th
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Wednesday
Jan 21st
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Thursday
Jan 22nd
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Cloudy |
Cloudy |
Cloudy |
Flurries |
Cloudy |
15°F
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5°F
-3°F |
15°F
0°F |
21°F
8°F |
11°F
2°F |
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| Sun Prairie Detailed Weather Forecast |
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| Sunday, January 18th, 2026 |
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Afternoon |
Temperature: 15°F |
| Cloudy with a chance of flurries. |
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Evening |
Temperature: 13°F |
| Cloudy with a chance of flurries. Windy. |
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| Monday, January 19th, 2026 |
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Overnight |
Temperature: 1°F |
| Cloudy. Windy. |
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Morning |
Temperature: 1°F |
| Cloudy. Windy. |
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Afternoon |
Temperature: 3°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 4°F |
| Cloudy. Windy at times. |
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| Tuesday, January 20th, 2026 |
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Overnight |
Temperature: 1°F |
| Cloudy. Windy at times. |
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Morning |
Temperature: 5°F |
| A mix of cloud and sun. Windy at times. |
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Afternoon |
Temperature: 9°F |
| Cloudy. |
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Evening |
Temperature: 14°F |
| Cloudy with a chance of flurries. |
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| Wednesday, January 21st, 2026 |
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Overnight |
Temperature: 14°F |
| Cloudy with flurries likely. |
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Morning |
Temperature: 18°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 19°F |
| Cloudy. Windy. |
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Evening |
Temperature: 11°F |
| Clear with cloudy periods with a slight chance of flurries. Windy. |
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| Thursday, January 22nd, 2026 |
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Overnight |
Temperature: 4°F |
| Clear with cloudy periods. Windy at times. |
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Morning |
Temperature: 8°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 5°F |
| Sunny with cloudy periods. |
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Evening |
Temperature: 3°F |
| Cloudy. |
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| Friday, January 23rd, 2026 |
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Overnight |
Temperature: 11°F |
| Cloudy. |
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Morning |
Temperature: 21°F |
| Cloudy with a few flurries. Windy at times. |
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Afternoon |
Temperature: 17°F |
| Cloudy with flurries likely. Windy at times. |
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Evening |
Temperature: 11°F |
| Cloudy with a chance of flurries. Windy. |
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| Saturday, January 24th, 2026 |
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Overnight |
Temperature: 0°F |
| Cloudy. Windy. |
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Morning |
Temperature: -1°F |
| Cloudy. Windy. |
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Afternoon |
Temperature: -2°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: -6°F |
| Cloudy. Windy at times. |
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| Sunday, January 25th, 2026 |
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Overnight |
Temperature: -14°F |
| Clear with cloudy periods. Windy at times. |
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Morning |
Temperature: -9°F |
| Sunny. Windy at times. |
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Afternoon |
Temperature: -9°F |
| Sunny. |
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Evening |
Temperature: -13°F |
| Clear with cloudy periods. Windy at times. |
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| Monday, January 26th, 2026 |
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Overnight |
Temperature: -10°F |
| Cloudy. |
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Morning |
Temperature: 4°F |
| Cloudy with a chance of flurries. |
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Afternoon |
Temperature: 0°F |
| A mix of cloud and sun. |
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Evening |
Temperature: -6°F |
| Clear with cloudy periods. |
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