 |
 Current Lewistown Weather Conditions |
Updated December 14th at 7:54 am |
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| Temperature: | 45°F |
Dew Point: | 23°F |
| Barometer: | 29.95 inHg |
Wind: | N 39 Mph |
| Humidity: | 42.0% |
Visibility: | 0M |
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| Lewistown Weather Forecast Summary |
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Today
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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Thursday
Dec 18th
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Cloudy |
Cloudy |
Cloudy |
Mix of rain and snow |
Cloudy |
46°F
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51°F
38°F |
48°F
39°F |
49°F
12°F |
42°F
14°F |
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| Lewistown Detailed Weather Forecast |
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| Sunday, December 14th, 2025 |
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Morning |
Temperature: 41°F |
| Cloudy. |
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Afternoon |
Temperature: 44°F |
| Cloudy. Windy. |
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Evening |
Temperature: 44°F |
| Clear with cloudy periods. Windy. |
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| Monday, December 15th, 2025 |
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Overnight |
Temperature: 39°F |
| A mix of clear and cloudy skies. Windy at times. |
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Morning |
Temperature: 46°F |
| Cloudy. Windy. |
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Afternoon |
Temperature: 50°F |
| Cloudy. Wind 25 to 40 mph. |
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Evening |
Temperature: 51°F |
| Cloudy. Wind 25 to 40 mph. |
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| Tuesday, December 16th, 2025 |
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Overnight |
Temperature: 45°F |
| Clear. Wind 35 to 45 mph. |
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Morning |
Temperature: 42°F |
| Sunny. Wind 20 to 30 mph. |
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Afternoon |
Temperature: 39°F |
| A mix of cloud and sun. Windy at times. |
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Evening |
Temperature: 42°F |
| Cloudy. Windy at times. |
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| Wednesday, December 17th, 2025 |
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Overnight |
Temperature: 46°F |
| Cloudy. Wind 25 to 40 mph. |
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Morning |
Temperature: 36°F |
| Cloudy with a chance of showers. Showers possibly mixed with wet flurries. Wind 35 to 45 mph. |
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Afternoon |
Temperature: 24°F |
| A mix of cloud and sun with flurries likely. Wind 40 to 50 mph. |
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Evening |
Temperature: 13°F |
| A mix of clear and cloudy skies with a chance of flurries. Wind 35 to 45 mph. |
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| Thursday, December 18th, 2025 |
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Overnight |
Temperature: 16°F |
| Clear. Windy at times. |
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Morning |
Temperature: 31°F |
| Cloudy. |
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Afternoon |
Temperature: 29°F |
| Cloudy with a slight chance of flurries. Windy at times. |
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Evening |
Temperature: 39°F |
| Cloudy. Windy. |
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| Friday, December 19th, 2025 |
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Overnight |
Temperature: 43°F |
| Clear. Wind 20 to 30 mph. |
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Morning |
Temperature: 37°F |
| Cloudy with a chance of showers. Showers possibly mixed with wet flurries. Windy. |
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Afternoon |
Temperature: 29°F |
| Cloudy with a chance of flurries. Windy. |
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Evening |
Temperature: 28°F |
| Clear with cloudy periods. Windy. |
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| Saturday, December 20th, 2025 |
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Overnight |
Temperature: 28°F |
| Clear. Windy. |
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Morning |
Temperature: 31°F |
| Mostly sunny. Windy. |
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Afternoon |
Temperature: 28°F |
| Sunny. Windy. |
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Evening |
Temperature: 28°F |
| Clear. Windy. |
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| Sunday, December 21st, 2025 |
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Overnight |
Temperature: 26°F |
| Cloudy. |
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Morning |
Temperature: 36°F |
| Cloudy. |
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Afternoon |
Temperature: 40°F |
| Cloudy. Wind 20 to 30 mph. |
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Evening |
Temperature: 44°F |
| A mix of cloudy and clear skies. Wind 20 to 30 mph. |
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| Monday, December 22nd, 2025 |
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Overnight |
Temperature: 46°F |
| Cloudy. Wind 20 to 30 mph. |
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Morning |
Temperature: 48°F |
| A mix of cloud and sun. Windy. |
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Afternoon |
Temperature: 35°F |
| Cloudy with showers or wet flurries likely. Windy at times. |
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Evening |
Temperature: 33°F |
| Cloudy with a chance of flurries or showers. Risk of freezing rain. Windy. |
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