Cottonwood Airport Weather Forecast
- 50
- 77
Chance Thunderstorms
- 43
- 66
Mostly Cloudy
- 50
- 69
Mostly Cloudy
- 55
- 69
Rain Showers Likely
- 57
- 76
Chance Rain Showers
- 60
- 81
Chance Rain Showers
Today 19 May McLean
Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms in the Morning, then Showers likely with a chance of Thunderstorms in the afternoon. Highs around 80. Temperature falling into the mid 70s in the afternoon. Southwest Winds 15 to 20 Mph, becoming west in the afternoon. Chance of rain 70 percent.
Tonight 19 May McLean
Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms. Near steady temperature in the upper 60s. South Winds around 15 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.
Cottonwood Airport Temperature Statistics
May Temperature
Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (6.2 miles)
Lowest 2 May, 2026
37.9 °FAverage May
57.1 °FHighest 12 May, 2026
81 °F
Climate (2021–Present)
Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (6.2 miles)
Average Low 2021–2026
43.8 °FAverage 2021–2026
53.2 °FAverage High 2021–2026
62.6 °F