Iowa Speedway Rainfall Forecast

Today 1 Jul
15%
Thu 2 Jul
35%
Fri 3 Jul
45%
Sat 4 Jul
55%
Sun 5 Jul
45%
Mon 6 Jul
25%
Tue 7 Jul
15%

Iowa Speedway Rainfall Statistics

July Rainfall

Newton Municipal Airport - Earl Johnson Field (0 miles)

Total Rainfall 2026
9.1in
Daily Average 2026
0.1in
Wettest Day 9 April, 2026
1.2in
Wet Days 2026
31/182 (17%)
Total Rainfall June
1.8in
Daily Average June
0.1in
Wettest Day 11 June, 2026
0.5in
Wet Days June
6/30 (20%)
Total Rainfall July
–
Daily Average July
–
Wettest Day 1 July, 2026
–
Wet Days July
–

Climate (2021–2025)

Newton Municipal Airport - Earl Johnson Field (0 miles)

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Annual Average 2021–2025
16.6in
Monthly Average 2021–2026
1.4in
Daily Average 2021–2026
0.05in
Wettest Day 1 June, 2023
2.1in

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