Glenn Weather Forecast
- 44
- 70
Becoming Sunny
- 55
- 69
Mostly Cloudy
- 65
- 78
Rain Showers Likely
- 67
- 81
Chance Thunderstorms
- 63
- 82
Rain Showers Likely
- 55
- 78
Rain Showers Likely
Today 24 Apr Jackson
Sunny. Highs around 70. North Winds 5 to 10 Mph.
Tonight 24 Apr Jackson
Partly cloudy. Areas of dense fog. Near steady temperature in the upper 40s. Northwest Winds around 5 Mph.
Glenn Temperature Statistics
April Temperature
Southern Illinois Airport (18 miles)
Lowest 6 April, 2024
29.8 °FAverage April
59.8 °FHighest 15 April, 2024
87.7 °F
Climate (2019–Present)
Southern Illinois Airport (18 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
47.5 °FAverage 2019–2024
57.4 °FAverage High 2019–2024
68.1 °F