Starved Rock State Park Rainfall Forecast
- 100%
- 90%
- 85%
- 15%
- 20%
- 20%
- 20%
Starved Rock State Park Rainfall Statistics
November Rainfall
Illinois Valley Regional Airport (7.5 miles)
Total Rainfall November
1.3inDaily Average November
0.05inWettest Day 8 November, 2025
0.7inWet Days November
3/30 (10%)
Climate (2010–Present)
Illinois Valley Regional Airport (7.5 miles)
Annual Average 2020–2024
30.9inMonthly Average 2020–2025
2.8inDaily Average 2020–2025
0.1inWettest Day 14 December, 2022
3.4in