Weather forecast for: Harrison ID
Last Update: 3:52 am PDT Oct 23, 2026
Overnight: Showers. Steady temperature around 47. West wind around 7 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.
Friday: A 20 percent chance of showers before 11am. Cloudy through mid morning, then gradual clearing, with a high near 56. West wind 5 to 7 mph.
Friday Night: Widespread frost after 2am. Otherwise, mostly clear, with a low around 32. Light and variable wind.
Saturday: Widespread frost before 9am. Otherwise, mostly sunny, with a high near 56. Light southeast wind.
Saturday Night: Mostly cloudy, with a low around 35. Calm wind.
Sunday: Mostly sunny, with a high near 61.
Sunday Night: A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 37.
Monday: A 30 percent chance of showers, mainly before 11am. Partly sunny, with a high near 56.
Monday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 38.
Tuesday: Showers likely. Mostly cloudy, with a high near 50. Chance of precipitation is 60%.
Tuesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 36.
Wednesday: A 30 percent chance of showers. Partly sunny, with a high near 52.
Wednesday Night: A slight chance of rain and snow showers. Snow level 5100 feet lowering to 4300 feet after midnight . Mostly cloudy, with a low around 33. Chance of precipitation is 20%.
Thursday: A slight chance of rain and snow showers. Snow level 3800 feet rising to 4500 feet in the afternoon. Partly sunny, with a high near 51. Chance of precipitation is 20%.