Massacre Memorial State Park Rainfall Forecast

Today 20 Apr
No Rain
Tue 21 Apr
No Rain
Wed 22 Apr
No Rain
Thu 23 Apr
60%
Fri 24 Apr
85%
Sat 25 Apr
25%
Sun 26 Apr
40%

Massacre Memorial State Park Rainfall Statistics

April Rainfall

Olathe, Johnson County Executive Airport (39.8 miles)

Total Rainfall 2026
12.8in
Daily Average 2026
0.1in
Wettest Day 10 March, 2026
2.8in
Wet Days 2026
25/110 (23%)
Total Rainfall March
5.8in
Daily Average March
0.2in
Wettest Day 10 March, 2026
2.8in
Wet Days March
9/31 (29%)
Total Rainfall April
4.3in
Daily Average April
0.3in
Wettest Day 10 April, 2026
1.2in
Wet Days April
9/20 (45%)

Climate (2010–Present)

Olathe, Johnson County Executive Airport (39.8 miles)

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Annual Average 2021–2025
34.2in
Monthly Average 2021–2026
2.9in
Daily Average 2021–2026
0.1in
Wettest Day 12 August, 2021
3.4in

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