7-Day Forecast Summary
7-Day Detailed Weather Forecast for Helena Valley Northwest
Overnight |
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Temperature: 47°F Wind Speed: 7 to 10 mph Wind Direction: NNW Forecast: A slight chance of rain between 4am and 5am. Mostly cloudy, with a low around 47. North northwest wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%. |
Sunday |
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Temperature: 74°F Wind Speed: 1 to 13 mph Wind Direction: N Forecast: Areas of fog before 9am. Partly sunny, with a high near 74. North wind 1 to 13 mph, with gusts as high as 23 mph. |
Sunday Night |
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Temperature: 49°F Wind Speed: 5 to 15 mph Wind Direction: N Forecast: A chance of showers and thunderstorms before 9pm, then a chance of showers and thunderstorms between 9pm and 11pm, then a slight chance of rain between midnight and 3am, then a chance of showers and thunderstorms between 3am and 4am, then patchy fog and showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a low around 49. North wind 5 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. |
Labor Day |
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Temperature: 63°F Wind Speed: 3 to 22 mph Wind Direction: W Forecast: Areas of fog and showers and thunderstorms before 3pm, then rain likely. Cloudy, with a high near 63. West wind 3 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. |
Monday Night |
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Temperature: 43°F Wind Speed: 13 to 21 mph Wind Direction: WSW Forecast: A chance of rain. Mostly cloudy, with a low around 43. West southwest wind 13 to 21 mph, with gusts as high as 35 mph. Chance of precipitation is 30%. |
Tuesday |
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Temperature: 67°F Wind Speed: 8 to 14 mph Wind Direction: W Forecast: A chance of rain. Partly sunny, with a high near 67. West wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. |
Tuesday Night |
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Temperature: 41°F Wind Speed: 3 to 13 mph Wind Direction: W Forecast: Mostly clear, with a low around 41. West wind 3 to 13 mph, with gusts as high as 22 mph. |
Wednesday |
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Temperature: 75°F Wind Speed: 2 to 14 mph Wind Direction: WSW Forecast: Sunny, with a high near 75. West southwest wind 2 to 14 mph, with gusts as high as 24 mph. |
Wednesday Night |
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Temperature: 46°F Wind Speed: 7 to 13 mph Wind Direction: WSW Forecast: Mostly clear, with a low around 46. |
Thursday |
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Temperature: 79°F Wind Speed: 5 to 16 mph Wind Direction: SW Forecast: Sunny, with a high near 79. |
Thursday Night |
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Temperature: 47°F Wind Speed: 6 to 14 mph Wind Direction: W Forecast: Mostly clear, with a low around 47. |
Friday |
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Temperature: 71°F Wind Speed: 2 to 10 mph Wind Direction: NW Forecast: A chance of rain showers. Mostly sunny, with a high near 71. |
Friday Night |
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Temperature: 43°F Wind Speed: 9 to 13 mph Wind Direction: NW Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 43. |
Saturday |
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Temperature: 63°F Wind Speed: 5 to 9 mph Wind Direction: NNW Forecast: A chance of rain showers. Partly sunny, with a high near 63. |

