Mount Prospect Weather Forecast
- 74
- 93
Slight Chance Thunderstorms
- 74
- 93
Chance Rain Showers
- 75
- 96
Chance Thunderstorms
- 67
- 87
Chance Thunderstorms
- 66
- 84
Partly Sunny
- 68
- 87
Chance Thunderstorms
- 67
- 85
Chance Thunderstorms
Today 3 Jul Northern Cook
Mostly sunny in the Morning, then becoming partly cloudy. A slight chance of Showers and Thunderstorms late in the afternoon. Highs in the lower 90s Inland, but only in the mid 80s near the lake. Northwest Winds around 5 Mph, becoming north in the afternoon. Chance of precipitation 20 percent.
Tonight 3 Jul Northern Cook
Increasing Clouds. A slight chance of Showers after midnight. A slight chance of Thunderstorms late. Lows in the lower 70s. Southeast Winds around 5 Mph, becoming south after midnight. Chance of precipitation 20 percent.
Mount Prospect Temperature Statistics
July Temperature
Chicago / Wheeling, Pal-Waukee Airport (3.7 miles)
Lowest 1 July, 2025
70 °FAverage July
78.1 °FHighest 1 July, 2025
86 °F
Climate (2020–Present)
Chicago / Wheeling, Pal-Waukee Airport (3.7 miles)
Average Low 2020–2025
44.2 °FAverage 2020–2025
52.9 °FAverage High 2020–2025
61.5 °F