Ennis Weather Forecast
- 57
- 92
Slight Chance Thunderstorms
- 56
- 90
Slight Chance Thunderstorms
- 57
- 95
Mostly Sunny
- 58
- 95
Mostly Sunny
- 59
- 101
Hot
- 49
- 95
Hot
Today 28 Jul Madison River Valley
Sunny. Patchy smoke through the day. A 20 percent chance of Thunderstorms in the afternoon. Highs in the lower 90s. South Winds up to 5 Mph shifting to the southwest 5 to 15 Mph in the afternoon.
Tonight 28 Jul Madison River Valley
Mostly clear. A 20 percent chance of rain Showers in the evening. Patchy smoke after midnight. Lows in the upper 50s. Southwest Winds 5 to 10 Mph.
Ennis Temperature Statistics
July Temperature
Ennis - Big Sky Airport (6.2 miles)
Lowest 1 July, 2026
41 °FAverage July
68.9 °FHighest 12 July, 2026
98.6 °F
Climate (2021–2026)
Ennis - Big Sky Airport (6.2 miles)
Average Low 2021–2026
32 °FAverage 2021–2026
44.4 °FAverage High 2021–2026
56.3 °F