Weather forecast for: Helmville MT
Last Update: 2:01 pm MDT Sep 17, 2026
Tonight: Showers likely, mainly before 11pm. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 44. South southwest wind 8 to 13 mph becoming light and variable after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday: A 40 percent chance of showers and thunderstorms, mainly after 4pm. Areas of fog before 9am. Otherwise, partly sunny, with a high near 72. Light north wind.
Friday Night: Showers and thunderstorms likely, then showers after 3am. Patchy fog after 1am. Low around 44. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday: Showers likely, with thunderstorms also possible after noon. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 65. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 41. Calm wind.
Sunday: Areas of fog before 9am. Otherwise, sunny, with a high near 73.
Sunday Night: Mostly clear, with a low around 42.
Monday: Sunny, with a high near 75.
Monday Night: Mostly clear, with a low around 43.
Tuesday: Sunny, with a high near 74.
Tuesday Night: Mostly clear, with a low around 42.
Wednesday: Sunny, with a high near 71.
Wednesday Night: Mostly clear, with a low around 41.
Thursday: Mostly sunny, with a high near 74.