 |
 Current Lewistown Weather Conditions |
Updated December 13th at 6:54 am |
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| light snow mist |
| Temperature: | 3°F |
Dew Point: | -0°F |
| Barometer: | 30.18 inHg |
Wind: | calm |
| Humidity: | 80.3% |
Visibility: | 0M |
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| Lewistown Weather Forecast Summary |
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Today
Dec 13th
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Sunday
Dec 14th
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Monday
Dec 15th
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Tuesday
Dec 16th
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Wednesday
Dec 17th
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Cloudy |
Cloudy |
Cloudy |
Cloudy |
Cloudy |
35°F
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45°F
36°F |
50°F
36°F |
48°F
39°F |
47°F
21°F |
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| Lewistown Detailed Weather Forecast |
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| Saturday, December 13th, 2025 |
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Morning |
Temperature: 17°F |
| Cloudy. |
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Afternoon |
Temperature: 17°F |
| A mix of cloud and sun. |
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Evening |
Temperature: 30°F |
| Clear. Windy at times. |
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| Sunday, December 14th, 2025 |
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Overnight |
Temperature: 39°F |
| Cloudy. Windy at times. |
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Morning |
Temperature: 41°F |
| Cloudy. |
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Afternoon |
Temperature: 42°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 41°F |
| Mostly clear. Windy at times. |
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| Monday, December 15th, 2025 |
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Overnight |
Temperature: 38°F |
| Clear. Windy at times. |
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Morning |
Temperature: 43°F |
| A mix of cloud and sun. Windy at times. |
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Afternoon |
Temperature: 49°F |
| Cloudy. Windy. |
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Evening |
Temperature: 50°F |
| Mostly clear. Wind 25 to 40 mph. |
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| Tuesday, December 16th, 2025 |
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Overnight |
Temperature: 47°F |
| Mostly clear. Wind 35 to 45 mph. |
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Morning |
Temperature: 46°F |
| Mostly sunny. Wind 20 to 30 mph. |
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Afternoon |
Temperature: 40°F |
| Cloudy with a slight chance of showers. Showers possibly mixed with wet flurries. |
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Evening |
Temperature: 42°F |
| Cloudy. |
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| Wednesday, December 17th, 2025 |
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Overnight |
Temperature: 45°F |
| Cloudy. Windy. |
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Morning |
Temperature: 36°F |
| A mix of cloud and sun with a chance of showers. Showers possibly mixed with wet flurries. Wind 40 to 50 mph. |
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Afternoon |
Temperature: 32°F |
| Cloudy with sunny periods. Wind 40 to 50 mph. |
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Evening |
Temperature: 25°F |
| Cloudy with a chance of flurries. Wind 20 to 30 mph. |
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| Thursday, December 18th, 2025 |
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Overnight |
Temperature: 15°F |
| Clear with cloudy periods with a chance of flurries. Windy. |
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Morning |
Temperature: 24°F |
| Mostly sunny. |
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Afternoon |
Temperature: 24°F |
| Sunny with cloudy periods. |
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Evening |
Temperature: 35°F |
| A mix of cloudy and clear skies. Windy. |
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| Friday, December 19th, 2025 |
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Overnight |
Temperature: 34°F |
| Cloudy. Windy. |
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Morning |
Temperature: 32°F |
| Cloudy. Windy. |
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Afternoon |
Temperature: 28°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 28°F |
| Mostly clear. Windy. |
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| Saturday, December 20th, 2025 |
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Overnight |
Temperature: 27°F |
| Clear. Windy. |
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Morning |
Temperature: 32°F |
| Sunny. Wind 20 to 30 mph. |
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Afternoon |
Temperature: 30°F |
| Sunny. Windy. |
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Evening |
Temperature: 30°F |
| Clear. Windy. |
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| Sunday, December 21st, 2025 |
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Overnight |
Temperature: 31°F |
| Cloudy. Windy. |
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Morning |
Temperature: 37°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 32°F |
| Cloudy with a chance of flurries or showers. Risk of freezing rain. Windy at times. |
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Evening |
Temperature: 25°F |
| Cloudy with a few flurries. |
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