| NWS Forecast for: Harlem MT Issued by: National Weather Service Great Falls, MT Last Update: 12:31 am MDT Aug 12, 2026 | |
| Overnight: Patchy smoke. Partly cloudy, with a low around 12. Northeast wind around 14 km/h. Wednesday: Patchy smoke before 4pm. Increasing clouds, with a high near 25. Northeast wind 13 to 18 km/h. Wednesday Night: A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 9. East northeast wind 13 to 21 km/h, with gusts as high as 34 km/h. Chance of precipitation is 70%. New precipitation amounts between 5 and 7.5 mm possible. Thursday: Showers and thunderstorms, mainly before 4pm. High near 20. East wind 16 to 24 km/h, with gusts as high as 40 km/h. Chance of precipitation is 90%. Thursday Night: Showers and possibly a thunderstorm before midnight, then showers likely. Low around 9. East northeast wind 13 to 23 km/h, with gusts as high as 39 km/h. Chance of precipitation is 80%. Friday: A 40 percent chance of showers before noon. Mostly cloudy, with a high near 21. Northwest wind 16 to 21 km/h, with gusts as high as 35 km/h. Friday Night: Mostly cloudy, with a low around 7. Northwest wind 11 to 16 km/h becoming north northeast 5 to 10 km/h after midnight. Saturday: A chance of showers before noon. Partly sunny, with a high near 24. East wind 5 to 13 km/h. Saturday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 9. Sunday: A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 27. Sunday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 11. Monday: Mostly sunny, with a high near 29. Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 11. Tuesday: A slight chance of showers. Mostly sunny, with a high near 28. | |
| Harlem MT 48.54°N 108.78°W (Elev. 2339 m) | |
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