Izaak Walton Park Weather Forecast
- 60
- 93
Slight Chance Thunderstorms
- 56
- 90
Chance Rain Showers
- 55
- 84
Slight Chance Thunderstorms
- 57
- 87
Partly Sunny
- 57
- 90
Slight Chance Thunderstorms
- 58
- 90
Slight Chance Thunderstorms
Today 23 Aug Natrona County Lower Elevations
Mostly sunny. A slight chance of Showers and Thunderstorms this afternoon. Breezy with Highs around 90. West Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 20 percent.
Tonight 23 Aug Natrona County Lower Elevations
Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Lows in the upper 50s. West Winds 10 to 15 Mph with Gusts up to 30 Mph, becoming southwest after midnight. Chance of rain 20 percent.
Izaak Walton Park Temperature Statistics
August Temperature
Casper, Natrona County International Airport (6.2 miles)
Lowest 5 August, 2026
44.7 °FAverage August
72.1 °FHighest 2 August, 2026
103.6 °F
Climate (2021–2026)
Casper, Natrona County International Airport (6.2 miles)
Average Low 2021–2026
33.3 °FAverage 2021–2026
47.6 °FAverage High 2021–2026
61.6 °F