 |
 Current Lewistown Weather Conditions |
Updated December 11th at 8:54 am |
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| Overcast |
| Temperature: | 45°F |
Dew Point: | 34°F |
| Barometer: | 29.71 inHg |
Wind: | N 15 Mph |
| Humidity: | 65.6% |
Visibility: | 0M |
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| Lewistown Weather Forecast Summary |
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Today
Dec 11th
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Friday
Dec 12th
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Saturday
Dec 13th
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Sunday
Dec 14th
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Monday
Dec 15th
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Mix of rain and snow |
Flurries |
Cloudy |
Cloudy |
Cloudy |
53°F
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9°F
5°F |
32°F
6°F |
47°F
38°F |
50°F
38°F |
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| Lewistown Detailed Weather Forecast |
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| Thursday, December 11th, 2025 |
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Morning |
Temperature: 39°F |
| Cloudy with showers. Showers possibly mixed with wet flurries. Windy. |
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Afternoon |
Temperature: 22°F |
| Cloudy with a few flurries. Windy at times. |
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Evening |
Temperature: 14°F |
| Cloudy with flurries likely. |
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| Friday, December 12th, 2025 |
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Overnight |
Temperature: 8°F |
| Cloudy with flurries likely. |
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Morning |
Temperature: 8°F |
| Cloudy with flurries likely. |
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Afternoon |
Temperature: 7°F |
| Cloudy with flurries likely. |
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Evening |
Temperature: 6°F |
| Cloudy with a chance of flurries. |
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| Saturday, December 13th, 2025 |
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Overnight |
Temperature: 7°F |
| Cloudy with a chance of flurries. |
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Morning |
Temperature: 15°F |
| Cloudy with a slight chance of flurries. |
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Afternoon |
Temperature: 16°F |
| A mix of cloud and sun. |
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Evening |
Temperature: 28°F |
| Clear. |
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| Sunday, December 14th, 2025 |
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Overnight |
Temperature: 43°F |
| A mix of cloudy and clear skies. Windy. |
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Morning |
Temperature: 46°F |
| Cloudy. Windy. |
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Afternoon |
Temperature: 44°F |
| A mix of cloud and sun. Windy at times. |
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Evening |
Temperature: 41°F |
| A mix of cloudy and clear skies. Windy at times. |
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| Monday, December 15th, 2025 |
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Overnight |
Temperature: 39°F |
| A mix of cloudy and clear skies. Windy at times. |
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Morning |
Temperature: 45°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 49°F |
| Cloudy. Wind 20 to 30 mph. |
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Evening |
Temperature: 48°F |
| Cloudy. Windy. |
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| Tuesday, December 16th, 2025 |
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Overnight |
Temperature: 51°F |
| A mix of cloudy and clear skies. Wind 25 to 40 mph. |
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Morning |
Temperature: 49°F |
| Cloudy. Wind 20 to 30 mph. |
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Afternoon |
Temperature: 43°F |
| Cloudy with a chance of showers. Windy at times. |
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Evening |
Temperature: 41°F |
| Cloudy with a chance of showers. Windy at times. |
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| Wednesday, December 17th, 2025 |
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Overnight |
Temperature: 43°F |
| Cloudy with showers likely. Showers possibly mixed with wet flurries. Wind 35 to 45 mph. |
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Morning |
Temperature: 36°F |
| Sunny with showers likely. Showers possibly mixed with wet flurries. Wind 25 to 40 mph. |
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Afternoon |
Temperature: 31°F |
| Sunny. Wind 25 to 40 mph. |
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Evening |
Temperature: 29°F |
| Mostly clear. Wind 20 to 30 mph. |
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| Thursday, December 18th, 2025 |
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Overnight |
Temperature: 22°F |
| Clear. Windy at times. |
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Morning |
Temperature: 28°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 27°F |
| A mix of cloud and sun. |
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Evening |
Temperature: 31°F |
| Cloudy with a slight chance of flurries or showers. |
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| Friday, December 19th, 2025 |
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Overnight |
Temperature: 30°F |
| Clear with cloudy periods. |
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Morning |
Temperature: 38°F |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 32°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 31°F |
| Cloudy. |
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