Harrison Weather Forecast
- 31
- 52
Chance Rain
- 31
- 53
Rain Showers Likely
- 34
- 58
Mostly Sunny
- 41
- 69
Mostly Sunny
- 43
- 68
Slight Chance Rain
- 41
- 67
Chance Rain Showers
- 43
- 70
Partly Sunny
Today 28 Apr Missouri Headwaters
Partly sunny. Chance of rain and snow early in the Afternoon, then chance of rain Showers and slight chance of Thunderstorms late in the afternoon. Near steady temperature around 50. West Winds 10 to 15 Mph with Gusts to around 30 Mph. Chance of precipitation 50 percent.
Tonight 28 Apr Missouri Headwaters
Mostly cloudy. Chance of rain in the Evening, then slight chance of rain after midnight. Slight chance of snow late in the night. Lows in the lower 30s. West Winds up to 10 Mph. Chance of precipitation 40 percent.
Harrison Temperature Statistics
April Temperature
Ennis - Big Sky Airport (29.8 miles)
Lowest 17 April, 2026
15.8 °FAverage April
41.4 °FHighest 7 April, 2026
68 °F
Climate (2021–Present)
Ennis - Big Sky Airport (29.8 miles)
Average Low 2021–2026
32.2 °FAverage 2021–2026
44.6 °FAverage High 2021–2026
56.6 °F