Nelson Dewey State Park Weather Forecast
- 72
- 93
Slight Chance Thunderstorms
- 74
- 92
Patchy Smoke
- 67
- 90
Mostly Sunny
- 69
- 87
Partly Sunny
- 68
- 89
Mostly Sunny
- 61
- 83
Partly Sunny
Today 16 Jul Grant
Mostly sunny. Patchy fog in the morning. Areas of smoke. A slight chance of Showers and Thunderstorms in the afternoon. Hot with Highs in the lower 90s. Light and variable Winds, becoming south around 5 Mph in the afternoon. Chance of rain 20 percent. Heat index Values up to 100.
Tonight 16 Jul Grant
Partly cloudy. Areas of smoke after midnight. Humid with Lows in the lower 70s. Light Winds. Heat index Values up to 100 early in the evening.
Nelson Dewey State Park Temperature Statistics
July Temperature
Prairie Du Chien Municipal Airport (19.9 miles)
Lowest 12 July, 2026
62.1 °FAverage July
75.4 °FHighest 1 July, 2026
89.6 °F
Climate (2021–2026)
Prairie Du Chien Municipal Airport (19.9 miles)
Average Low 2021–2026
40.4 °FAverage 2021–2026
49.9 °FAverage High 2021–2026
59.5 °F