0in

Rain Today

Rain Last Hour
0in

Recorded at St. Charles, St. Charles County Smartt Airport Updated 53 mins ago (35.9 miles away)

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Real-Time Extremes

Hottest 91.3 °F
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Coldest -11.3 °F
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Windiest 41.4mph
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Wettest (Last Hour) 0.9in
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Most Humid 100%
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Least Humid 8%
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Highest Pressure 1036.2 hPa
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Lowest Pressure 992.9 hPa
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Silex Rainfall Forecast

Today 18 Sep
10%
Fri 19 Sep
45%
Sat 20 Sep
35%
Sun 21 Sep
35%
Mon 22 Sep
40%
Tue 23 Sep
35%
Wed 24 Sep
15%

Silex Rainfall Statistics

September Rainfall

St. Charles, St. Charles County Smartt Airport (35.4 miles)

Total Rainfall 2025
26in
Daily Average 2025
0.1in
Wettest Day 4 April, 2025
1.9in
Wet Days 2025
67/261 (26%)
Total Rainfall August
0.8in
Daily Average August
0.03in
Wettest Day 10 August, 2025
0.7in
Wet Days August
3/31 (10%)
Total Rainfall September
0.04in
Daily Average September
0in
Wettest Day 3 September, 2025
0.04in
Wet Days September
1/18 (6%)

Climate (2010–Present)

St. Charles, St. Charles County Smartt Airport (35.4 miles)

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Annual Average 2020–2024
36.6in
Monthly Average 2020–2025
3.1in
Daily Average 2020–2025
0.1in
Wettest Day 16 July, 2024
3.8in

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