7-Day Forecast Summary
7-Day Detailed Weather Forecast for Helena
Overnight |
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Temperature: 70°F Wind Speed: 6 mph Wind Direction: S Forecast: Partly cloudy, with a low around 70. South wind around 6 mph. |
Thursday |
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Temperature: 92°F Wind Speed: 6 to 14 mph Wind Direction: S Forecast: A slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 92. South wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%. |
Thursday Night |
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Temperature: 70°F Wind Speed: 9 to 14 mph Wind Direction: S Forecast: A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 70. South wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%. |
Friday |
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Temperature: 92°F Wind Speed: 9 to 16 mph Wind Direction: SSW Forecast: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. South southwest wind 9 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 20%. |
Friday Night |
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Temperature: 72°F Wind Speed: 10 to 16 mph Wind Direction: S Forecast: A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 72. South wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 20%. |
Saturday |
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Temperature: 95°F Wind Speed: 10 to 14 mph Wind Direction: SSW Forecast: Sunny, with a high near 95. |
Saturday Night |
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Temperature: 74°F Wind Speed: 8 to 13 mph Wind Direction: SSW Forecast: Mostly clear, with a low around 74. |
Sunday |
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Temperature: 98°F Wind Speed: 7 to 10 mph Wind Direction: SSW Forecast: Sunny, with a high near 98. |
Sunday Night |
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Temperature: 76°F Wind Speed: 12 mph Wind Direction: S Forecast: Mostly clear, with a low around 76. |
Monday |
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Temperature: 102°F Wind Speed: 12 mph Wind Direction: SSW Forecast: Sunny, with a high near 102. |
Monday Night |
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Temperature: 77°F Wind Speed: 8 to 12 mph Wind Direction: SSW Forecast: Mostly clear, with a low around 77. |
Tuesday |
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Temperature: 103°F Wind Speed: 10 mph Wind Direction: S Forecast: A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 103. Chance of precipitation is 20%. |
Tuesday Night |
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Temperature: 76°F Wind Speed: 7 to 10 mph Wind Direction: SSE Forecast: A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 76. Chance of precipitation is 20%. |
Wednesday |
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Temperature: 101°F Wind Speed: 7 to 12 mph Wind Direction: SSE Forecast: Mostly sunny, with a high near 101. |

