McCook Weather Forecast
- 28
- 40
Decreasing Clouds
- 31
- 50
Mostly Sunny
- 35
- 52
Mostly Cloudy
- 32
- 52
Partly Sunny
- 40
- 53
Mostly Cloudy
- 47
- 55
Chance Rain
Today 12 Feb Central Cook
Mostly cloudy. Highs around 40 Inland, but only in the mid 30s near the lake. East Winds around 5 Mph.
Tonight 12 Feb Central Cook
Partly cloudy. Lows in the upper 20s. Southeast Winds around 5 Mph, becoming south after midnight.
McCook Temperature Statistics
February Temperature
Chicago, Chicago Midway Airport (4.3 miles)
Lowest 1 February, 2026
12 °FAverage February
26.4 °FHighest 10 February, 2026
48 °F
Climate (2021–Present)
Chicago, Chicago Midway Airport (4.3 miles)
Average Low 2021–2026
46.7 °FAverage 2021–2026
54.2 °FAverage High 2021–2026
61.8 °F