0.1in

Rain Today

Rain Last Hour
0in

Recorded at St. Louis Downtown Airport Updated 25 mins ago (15.8 miles away)

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Real-Time Extremes

Hottest 102.1 °F
Laguna Army Airfield, AZ
Coldest 35.5 °F
Point Thomson Airstrip, AK
Windiest 31.1mph
Godthaab / Nuuk, ME
Wettest (Last Hour) 0.2in
Waseca Municipal Airport, MN
Most Humid 100%
Scott Municipal Airport, TN
Least Humid 5%
La Veta Mountain, La Veta Pass, CO
Highest Pressure 1045.4 hPa
Salida - Monarch Pass, CO
Lowest Pressure 997 hPa
Ralph Wien Memorial Airport, AK

Trending Locations

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Waterloo Rainfall Forecast

Today 18 Aug
No Rain
Wed 19 Aug
60%
Thu 20 Aug
70%
Fri 21 Aug
5%
Sat 22 Aug
15%
Sun 23 Aug
5%
Mon 24 Aug
15%

Waterloo Rainfall Statistics

August Rainfall

St. Louis Downtown Airport (15.5 miles)

Total Rainfall 2026
24.5in
Daily Average 2026
0.1in
Wettest Day 18 May, 2026
2in
Wet Days 2026
63/230 (27%)
Total Rainfall July
5.7in
Daily Average July
0.2in
Wettest Day 31 July, 2026
1.9in
Wet Days July
12/31 (39%)
Total Rainfall August
2in
Daily Average August
0.1in
Wettest Day 6 August, 2026
1.7in
Wet Days August
5/18 (28%)

Climate (2021–2025)

St. Louis Downtown Airport (15.5 miles)

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Annual Average 2021–2025
43.5in
Monthly Average 2021–2026
3.6in
Daily Average 2021–2026
0.1in
Wettest Day 26 July, 2022
7.2in

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