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 Merrillville Weather Forecast Summary |
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Today
Dec 28th
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Monday
Dec 29th
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Tuesday
Dec 30th
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Wednesday
Dec 31st
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Thursday
Jan 1st
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Mix of rain and snow |
Cloudy |
Cloudy |
Cloudy |
Cloudy |
61°F
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24°F
21°F |
29°F
19°F |
28°F
19°F |
21°F
17°F |
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| Merrillville Detailed Weather Forecast |
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| Sunday, December 28th, 2025 |
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Evening |
Temperature: 33°F |
| Cloudy. Wind 20 to 30 mph. |
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| Monday, December 29th, 2025 |
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Overnight |
Temperature: 22°F |
| Cloudy. Wind 20 to 30 mph. |
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Morning |
Temperature: 23°F |
| Cloudy with a chance of flurries. Wind 20 to 30 mph. |
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Afternoon |
Temperature: 22°F |
| Cloudy. Windy. |
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Evening |
Temperature: 21°F |
| Cloudy. Windy. |
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| Tuesday, December 30th, 2025 |
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Overnight |
Temperature: 19°F |
| Clear with cloudy periods. Windy at times. |
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Morning |
Temperature: 23°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 27°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 29°F |
| Cloudy. Windy. |
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| Wednesday, December 31st, 2025 |
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Overnight |
Temperature: 28°F |
| Cloudy. Windy at times. |
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Morning |
Temperature: 26°F |
| Cloudy. Windy. |
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Afternoon |
Temperature: 23°F |
| Mostly cloudy. Windy at times. |
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Evening |
Temperature: 20°F |
| A mix of cloudy and clear skies. Windy at times. |
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| Thursday, January 1st, 2026 |
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Overnight |
Temperature: 17°F |
| Cloudy. Windy at times. |
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Morning |
Temperature: 19°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 21°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 19°F |
| Cloudy. Windy at times. |
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| Friday, January 2nd, 2026 |
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Overnight |
Temperature: 16°F |
| Clear. Windy at times. |
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Morning |
Temperature: 19°F |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 20°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 19°F |
| Clear. Windy at times. |
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| Saturday, January 3rd, 2026 |
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Overnight |
Temperature: 17°F |
| Clear. |
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Morning |
Temperature: 21°F |
| Cloudy. |
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Afternoon |
Temperature: 24°F |
| Cloudy. |
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Evening |
Temperature: 24°F |
| Cloudy with clear periods. |
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| Sunday, January 4th, 2026 |
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Overnight |
Temperature: 23°F |
| Cloudy. |
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Morning |
Temperature: 28°F |
| Cloudy. |
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Afternoon |
Temperature: 28°F |
| Sunny. |
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Evening |
Temperature: 28°F |
| Cloudy. Windy at times. |
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| Monday, January 5th, 2026 |
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Overnight |
Temperature: 28°F |
| Cloudy. Windy at times. |
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Morning |
Temperature: 35°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 35°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 36°F |
| Cloudy. Windy at times. |
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