McCook Weather Forecast
- 71
- 83
Rain Showers
- 72
- 86
Chance Thunderstorms
- 72
- 91
Thunderstorms Likely
- 65
- 89
Rain Showers Likely
- 66
- 86
Slight Chance Thunderstorms
- 66
- 88
Chance Thunderstorms
Today 8 Jun Central Cook
Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms until late Afternoon, then Showers with a chance of Thunderstorms late. Highs in the lower 80s Inland, but only in the upper 70s near the lake. Southeast Winds 10 to 15 Mph. Chance of precipitation 80 percent.
Tonight 8 Jun Central Cook
Showers with a chance of Thunderstorms. Lows in the upper 60s. South Winds around 10 Mph, Diminishing to around 5 Mph after midnight. Chance of precipitation 80 percent.
McCook Temperature Statistics
June Temperature
Chicago, Chicago Midway Airport (4.3 miles)
Lowest 3 June, 2026
55 °FAverage June
69.8 °FHighest 4 June, 2026
87.1 °F
Climate (2021–Present)
Chicago, Chicago Midway Airport (4.3 miles)
Average Low 2021–2026
46.7 °FAverage 2021–2026
54.4 °FAverage High 2021–2026
62 °F