 |
 Current Lewistown Weather Conditions |
Updated December 16th at 4:54 am |
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| Mostly Clear |
| Temperature: | 50°F |
Dew Point: | 34°F |
| Barometer: | 29.74 inHg |
Wind: | N 36 Mph |
| Humidity: | 53.5% |
Visibility: | 0M |
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| Lewistown Weather Forecast Summary |
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Today
Dec 16th
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Wednesday
Dec 17th
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Thursday
Dec 18th
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Friday
Dec 19th
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Saturday
Dec 20th
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 |
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Cloudy |
Mix of rain and snow |
Cloudy |
Mostly Sunny |
Mostly Sunny |
48°F
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50°F
16°F |
46°F
22°F |
46°F
29°F |
34°F
29°F |
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| Lewistown Detailed Weather Forecast |
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| Tuesday, December 16th, 2025 |
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Morning |
Temperature: 46°F |
| Cloudy. Wind 20 to 30 mph. |
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Afternoon |
Temperature: 44°F |
| Cloudy. Windy. |
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Evening |
Temperature: 46°F |
| Cloudy. Windy. |
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| Wednesday, December 17th, 2025 |
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Overnight |
Temperature: 50°F |
| Cloudy. Wind 25 to 40 mph. |
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Morning |
Temperature: 44°F |
| Sunny with cloudy periods with showers likely. Showers possibly mixed with wet flurries. Wind 35 to 45 mph. |
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Afternoon |
Temperature: 33°F |
| A mix of cloud and sun with a chance of flurries or showers. Risk of freezing rain. Wind 45 to 55 mph. |
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Evening |
Temperature: 18°F |
| Cloudy with clear periods with a chance of flurries. Wind 40 to 50 mph. |
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| Thursday, December 18th, 2025 |
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Overnight |
Temperature: 23°F |
| Cloudy with a chance of flurries. Windy at times. |
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Morning |
Temperature: 33°F |
| Cloudy. |
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Afternoon |
Temperature: 31°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 44°F |
| Cloudy. Wind 35 to 45 mph. |
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| Friday, December 19th, 2025 |
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Overnight |
Temperature: 44°F |
| Clear with cloudy periods. Wind 35 to 45 mph. |
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Morning |
Temperature: 37°F |
| Sunny with cloudy periods. Wind 25 to 40 mph. |
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Afternoon |
Temperature: 31°F |
| Sunny. Wind 20 to 30 mph. |
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Evening |
Temperature: 29°F |
| Clear. Windy. |
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| Saturday, December 20th, 2025 |
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Overnight |
Temperature: 29°F |
| Clear. Wind 20 to 30 mph. |
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Morning |
Temperature: 33°F |
| Sunny. Wind 20 to 30 mph. |
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Afternoon |
Temperature: 30°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 29°F |
| Mostly clear. |
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| Sunday, December 21st, 2025 |
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Overnight |
Temperature: 30°F |
| Cloudy. |
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Morning |
Temperature: 36°F |
| Cloudy. |
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Afternoon |
Temperature: 38°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 47°F |
| Cloudy. Windy. |
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| Monday, December 22nd, 2025 |
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Overnight |
Temperature: 44°F |
| Cloudy. Windy at times. |
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Morning |
Temperature: 50°F |
| Cloudy. Windy. |
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Afternoon |
Temperature: 48°F |
| Cloudy. Wind 20 to 30 mph. |
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Evening |
Temperature: 42°F |
| Cloudy with clear periods with a chance of showers. Showers possibly mixed with wet flurries. Windy. |
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| Tuesday, December 23rd, 2025 |
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Overnight |
Temperature: 36°F |
| Cloudy with a chance of showers. Showers possibly mixed with wet flurries. Windy at times. |
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Morning |
Temperature: 40°F |
| Cloudy. |
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Afternoon |
Temperature: 35°F |
| Cloudy with a slight chance of showers. Showers possibly mixed with wet flurries. |
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Evening |
Temperature: 31°F |
| Cloudy with a chance of flurries or showers. |
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| Wednesday, December 24th, 2025 |
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Overnight |
Temperature: 30°F |
| Cloudy with flurries or showers likely. |
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Morning |
Temperature: 36°F |
| Cloudy with a chance of showers. Showers possibly mixed with wet flurries. Windy at times. |
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Afternoon |
Temperature: 32°F |
| Cloudy with a slight chance of flurries or showers. Windy at times. |
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Evening |
Temperature: 30°F |
| Cloudy. |
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