Starved Rock State Park Rainfall Forecast

Today 15 Jul
20%
Wed 16 Jul
60%
Thu 17 Jul
60%
Fri 18 Jul
20%
Sat 19 Jul
50%
Sun 20 Jul
50%
Mon 21 Jul
35%

Starved Rock State Park Rainfall Statistics

July Rainfall

Illinois Valley Regional Airport (7.5 miles)

Total Rainfall 2025
21.6in
Daily Average 2025
0.1in
Wettest Day 20 May, 2025
2in
Wet Days 2025
41/196 (21%)
Total Rainfall June
4.3in
Daily Average June
0.2in
Wettest Day 25 June, 2025
1.7in
Wet Days June
7/30 (23%)
Total Rainfall July
4.4in
Daily Average July
0.3in
Wettest Day 10 July, 2025
1.9in
Wet Days July
6/15 (40%)

Climate (2010–Present)

Illinois Valley Regional Airport (7.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

Annual Average 2020–2024
30.9in
Monthly Average 2020–2025
2.7in
Daily Average 2020–2025
0.1in
Wettest Day 14 December, 2022
3.4in

Get WillyWeather+ to remove ads