Mastodon State Park Rainfall Forecast

Today 2 Jul
No Rain
Thu 3 Jul
No Rain
Fri 4 Jul
No Rain
Sat 5 Jul
5%
Sun 6 Jul
30%
Mon 7 Jul
45%
Tue 8 Jul
35%

Mastodon State Park Rainfall Statistics

July Rainfall

St. Louis Downtown Airport (18.6 miles)

Total Rainfall 2025
22.7in
Daily Average 2025
0.1in
Wettest Day 4 April, 2025
2.5in
Wet Days 2025
57/183 (31%)
Total Rainfall June
2.1in
Daily Average June
0.1in
Wettest Day 4 June, 2025
0.9in
Wet Days June
12/30 (40%)
Total Rainfall July
–
Daily Average July
–
Wettest Day 3 July, 2025
–
Wet Days July
–

Climate (2010–Present)

St. Louis Downtown Airport (18.6 miles)

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Annual Average 2020–2024
45.4in
Monthly Average 2020–2025
3.7in
Daily Average 2020–2025
0.1in
Wettest Day 26 July, 2022
7.2in

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