Iowa Speedway Rainfall Forecast

Today 31 Mar
60%
Wed 1 Apr
80%
Thu 2 Apr
100%
Fri 3 Apr
45%
Sat 4 Apr
75%
Sun 5 Apr
25%
Mon 6 Apr
5%

Iowa Speedway Rainfall Statistics

March Rainfall

Newton Municipal Airport - Earl Johnson Field (0 miles)

Total Rainfall 2026
1.9in
Daily Average 2026
0.02in
Wettest Day 6 March, 2026
0.9in
Wet Days 2026
8/90 (9%)
Total Rainfall February
0.03in
Daily Average February
0in
Wettest Day 19 February, 2026
0.03in
Wet Days February
1/31 (3%)
Total Rainfall March
1.2in
Daily Average March
0.04in
Wettest Day 6 March, 2026
0.9in
Wet Days March
5/31 (16%)

Climate (2010–Present)

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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