Zelmer Memorial Airpark Weather Forecast
- 69
- 96
Thunderstorms Likely
- 71
- 92
Chance Thunderstorms
- 68
- 94
Partly Sunny
- 69
- 91
Slight Chance Thunderstorms
- 66
- 91
Chance Thunderstorms
- 59
- 82
Chance Thunderstorms
Today 15 Sep Macoupin
Sunny. A chance of Showers and Thunderstorms this afternoon. Warmer with Highs in the upper 90s. Southwest Winds 10 to 15 Mph. Chance of rain 50 percent. Heat index Values up to 105.
Tonight 15 Sep Macoupin
Mostly cloudy with a chance of Showers and Thunderstorms. Lows around 70. Southeast Winds around 5 Mph, becoming northeast after midnight. Chance of rain 50 percent.
Zelmer Memorial Airpark Temperature Statistics
September Temperature
Litchfield Municipal Airport (24.2 miles)
Lowest 7 September, 2026
60.8 °FAverage September
78.4 °FHighest 5 September, 2026
98.6 °F
Climate (2021–2026)
Litchfield Municipal Airport (24.2 miles)
Average Low 2021–2026
45.4 °FAverage 2021–2026
54.8 °FAverage High 2021–2026
64.5 °F