Glenn Weather Forecast
- 46
- 54
Rain
- 35
- 57
Mostly Cloudy
- 41
- 52
Mostly Cloudy
- 44
- 63
Partly Sunny
- 36
- 60
Partly Sunny
- 39
- 51
Partly Sunny
Today 30 Jan Jackson
Rain likely in the Morning, then rain with a slight chance of Thunderstorms in the afternoon. Highs in the mid 50s. Southeast Winds 5 to 10 Mph. Chance of rain near 100 percent.
Tonight 30 Jan Jackson
Rain, mainly in the evening. Lows in the upper 40s. Southeast Winds around 10 Mph, becoming southwest after midnight. Chance of rain near 100 percent.
Glenn Temperature Statistics
January Temperature
Southern Illinois Airport (18 miles)
Lowest 15 January, 2025
6.9 °FAverage January
27.4 °FHighest 17 January, 2025
52.6 °F
Climate (2020–Present)
Southern Illinois Airport (18 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2020–2025
47.6 °FAverage 2020–2025
57.7 °FAverage High 2020–2025
68.3 °F