 |
 Current Lewistown Weather Conditions |
Updated February 16th at 6:54 pm |
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| Temperature: | 43°F |
Dew Point: | 27°F |
| Barometer: | 29.42 inHg |
Wind: | N 26 Mph |
| Humidity: | 52.4% |
Visibility: | 0M |
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| Lewistown Weather Forecast Summary |
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Today
Feb 16th
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Tuesday
Feb 17th
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Wednesday
Feb 18th
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Thursday
Feb 19th
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Friday
Feb 20th
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Cloudy |
Cloudy |
Cloudy |
Cloudy |
Cloudy |
48°F
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39°F
12°F |
17°F
7°F |
18°F
6°F |
28°F
18°F |
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| Lewistown Detailed Weather Forecast |
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| Monday, February 16th, 2026 |
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Evening |
Temperature: 37°F |
| Cloudy. |
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| Tuesday, February 17th, 2026 |
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Overnight |
Temperature: 37°F |
| Cloudy. |
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Morning |
Temperature: 32°F |
| Cloudy with a slight chance of showers. Showers possibly mixed with wet flurries. Wind 20 to 30 mph. |
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Afternoon |
Temperature: 20°F |
| Cloudy with a chance of flurries. Wind 20 to 30 mph. |
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Evening |
Temperature: 14°F |
| Cloudy. Windy. |
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| Wednesday, February 18th, 2026 |
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Overnight |
Temperature: 9°F |
| Clear with cloudy periods. Windy at times. |
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Morning |
Temperature: 15°F |
| Cloudy. |
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Afternoon |
Temperature: 12°F |
| Cloudy. |
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Evening |
Temperature: 7°F |
| Cloudy with a chance of flurries. |
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| Thursday, February 19th, 2026 |
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Overnight |
Temperature: 7°F |
| Cloudy with a chance of flurries. |
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Morning |
Temperature: 13°F |
| Cloudy with a chance of flurries. |
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Afternoon |
Temperature: 15°F |
| Cloudy. |
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Evening |
Temperature: 17°F |
| Clear with cloudy periods. |
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| Friday, February 20th, 2026 |
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Overnight |
Temperature: 20°F |
| Cloudy. Windy at times. |
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Morning |
Temperature: 27°F |
| Cloudy. Windy. |
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Afternoon |
Temperature: 24°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 21°F |
| Cloudy. |
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| Saturday, February 21st, 2026 |
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Overnight |
Temperature: 18°F |
| Cloudy. |
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Morning |
Temperature: 25°F |
| Cloudy with sunny periods with a slight chance of flurries. |
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Afternoon |
Temperature: 23°F |
| Sunny with cloudy periods with a slight chance of flurries. |
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Evening |
Temperature: 17°F |
| Clear. |
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| Sunday, February 22nd, 2026 |
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Overnight |
Temperature: 19°F |
| Cloudy. Windy at times. |
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Morning |
Temperature: 30°F |
| Cloudy. Windy. |
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Afternoon |
Temperature: 28°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 26°F |
| Clear with cloudy periods. |
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| Monday, February 23rd, 2026 |
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Overnight |
Temperature: 29°F |
| Clear. |
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Morning |
Temperature: 48°F |
| Sunny. |
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Afternoon |
Temperature: 42°F |
| Cloudy. |
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Evening |
Temperature: 41°F |
| Cloudy. |
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| Tuesday, February 24th, 2026 |
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Overnight |
Temperature: 39°F |
| Cloudy. |
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Morning |
Temperature: 48°F |
| Cloudy. Windy. |
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Afternoon |
Temperature: 41°F |
| Cloudy with a slight chance of showers. Showers possibly mixed with wet flurries. Windy at times. |
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Evening |
Temperature: 34°F |
| Clear with cloudy periods with a slight chance of flurries or showers. Risk of freezing rain. Windy. |
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