0in

Rain Today

Rain Last Hour
0in

Recorded at St. Louis Lambert International Airport Updated 58 mins ago (6.8 miles away)

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Real-Time Extremes

Hottest 93.1 °F
Seguin - Randolph AFB Auxiliary Field, TX
Coldest 21.1 °F
Gulkana, Gulkana Airport, AK
Windiest 36.9mph
ST FRANCIS, KS
Wettest (Last Hour) 0.3in
Dodge City, Dodge City Regional Airport, KS
Most Humid 100%
Echo (Pine Bluffs), WY
Least Humid 22%
Havasu City Airport, AZ
Highest Pressure 1038.9 hPa
Salida - Monarch Pass, CO
Lowest Pressure 986.1 hPa
Shemya, Eareckson AFB, AK

Trending Locations

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Saint Charles Rainfall Forecast

Today 23 Sep
No Rain
Thu 24 Sep
No Rain
Fri 25 Sep
No Rain
Sat 26 Sep
10%
Sun 27 Sep
20%
Mon 28 Sep
10%
Tue 29 Sep
50%

Saint Charles Rainfall Statistics

September Rainfall

St. Louis Lambert International Airport (6.2 miles)

Total Rainfall 2026
38.1in
Daily Average 2026
0.1in
Wettest Day 18 May, 2026
2.5in
Wet Days 2026
78/266 (29%)
Total Rainfall August
3.6in
Daily Average August
0.1in
Wettest Day 6 August, 2026
1.6in
Wet Days August
9/31 (29%)
Total Rainfall September
1.9in
Daily Average September
0.1in
Wettest Day 21 September, 2026
0.9in
Wet Days September
4/23 (17%)

Climate (2021–2025)

St. Louis Lambert International Airport (6.2 miles)

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Annual Average 2021–2025
42.5in
Monthly Average 2021–2026
3.6in
Daily Average 2021–2026
0.1in
Wettest Day 26 July, 2022
8.6in

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