Mount Prospect Weather Forecast
- 5
- 29
Mostly Cloudy
- -3
- 11
Chance Snow
- -1
- 11
Partly Sunny
- 16
- 23
Mostly Cloudy
- 30
- 36
Mostly Cloudy
- 33
- 42
Mostly Cloudy
Today 12 Dec Northern Cook
Mostly cloudy. A slight chance of snow late in the morning. A chance of snow early in the Afternoon, then a slight chance of snow late. Highs in the upper 20s. West Winds 5 to 10 Mph. Chance of precipitation 30 percent.
Tonight 12 Dec Northern Cook
Mostly cloudy. A slight chance of snow Showers in the evening. Lows around 5 above. West Winds 10 to 15 Mph. Chance of precipitation 20 percent. Wind chill Values as low as 12 below after midnight.
Mount Prospect Temperature Statistics
December Temperature
Chicago / Wheeling, Pal-Waukee Airport (3.7 miles)
Lowest 4 December, 2025
6.1 °FAverage December
23 °FHighest 9 December, 2025
37.9 °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