Kankakee River Basin Weather Forecast
- 64
- 79
Rain Showers
- 53
- 72
Rain Showers Likely
- 49
- 66
Chance Rain Showers
- 50
- 65
Mostly Cloudy
- 51
- 67
Mostly Cloudy
- 51
- 68
Partly Sunny
Today 19 Sep Newton
Showers late in the morning. A chance of Thunderstorms. A chance of Showers in the afternoon. Highs around 80. East Winds around 5 Mph, becoming south in the afternoon. Chance of precipitation near 100 percent.
Tonight 19 Sep Newton
Cloudy. A chance of Showers and Thunderstorms in the Evening, then Showers and Thunderstorms likely after midnight. Humid with Lows in the mid 60s. Southeast Winds around 5 Mph, becoming west after midnight. Chance of precipitation 70 percent.
Kankakee River Basin Temperature Statistics
September Temperature
Rensselaer Jasper County Airport (17.4 miles)
Lowest 14 September, 2026
46.4 °FAverage September
72.7 °FHighest 15 September, 2026
95 °F
Climate (2021–2026)
Rensselaer Jasper County Airport (17.4 miles)
Average Low 2021–2026
41.7 °FAverage 2021–2026
51.4 °FAverage High 2021–2026
61 °F