Rainbow Park Weather Forecast
- 45
- 90
Rain Showers
- 43
- 65
Windy
- 39
- 64
Breezy
- 35
- 61
Chance Rain
- 32
- 48
Rain Likely
- 34
- 55
Partly Sunny
- 39
- 63
Chance Rain
Today 13 May Cascade County below 5000ft
Breezy. Mostly cloudy. Chance of Showers early in the Afternoon, then chance of Thunderstorms late in the afternoon. Some Thunderstorms may produce gusty Winds late in the afternoon. Highs in the upper 80s. West Winds 15 to 25 Mph. Chance of precipitation 50 percent.
Tonight 13 May Cascade County below 5000ft
Very windy. Cloudy then becoming partly cloudy in the late evening and early morning then becoming mostly cloudy. Chance of Thunderstorms early in the Evening, then chance of rain Showers late in the evening. Some Thunderstorms may be severe with gusty Winds. Lows in the mid 40s. West Winds 25 to 35 Mph shifting to the southwest 25 to 45 Mph after midnight. Gusts up to 70 Mph. Chance of precipitation 50 percent.
Rainbow Park Temperature Statistics
May Temperature
Malmstrom Air Force Base (1.9 miles)
Lowest 6 May, 2026
26.7 °FAverage May
55.9 °FHighest 10 May, 2026
80.7 °F
Climate (2021–Present)
Malmstrom Air Force Base (1.9 miles)
Average Low 2021–2026
35.9 °FAverage 2021–2026
47.7 °FAverage High 2021–2026
59 °F