Saint Charles, Missouri, United States Climate Change Severity

52
High
The current climate change severity in Saint Charles is High, with a 0.8% improvement in the climate score compared to last 16 years. This suggests improved conditions, with more favorable environmental indicators and a reduction in negative impacts.
Data: Jan. to Jan. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Saint Charles Weather Condition Changes (Historic Vs 2026)

2026
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2026

Over the past 16 year(s), Saint Charles temperature has changed by around +97.8%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Jan. (Historical Vs 2026)

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
54
-20%
cloudyCloudy
88
0%
rainyRainy
70
-100%
snowySnowy
22
0%
mistyMisty
00
0%

Disclaimer: Other weather conditions not shown may affect the total day count.

Climate Change Indicators:

Over the past 16 years, Saint Charles has experienced measurable shifts in key climate parameters, contributing to the current severity score of 52 (within the High severity category). While the score remains High, certain factors have improved over time. Here’s a breakdown of the specific changes observed:

Severity Score

52/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Saint Charles experienced significant changes:

Temperature change of

-0.5 °C

Variation in annual rainfall

-54.2 %

Change in average humidity

-11.1 %

PM2.5 levels surged by

+100 %

Heatwave changed by

-0.9 day(s)

Coldwave changed by

-0.4 day(s)

Wind speeds changed by

-0.09 km/h

These indicators show improvement in key parametes of climate, but Saint Charles remains in the High severity category. Continuous focus on climate resilience is necessary to avoid further worsening and ensure sustainability.

Check how we calculate Climate Change Severity
Based on data from Jan. to Jan.

Saint Charles Weather Forecast 30 Days (February - March 2026)
Saint Charles, Missouri, United States

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Sun. 8, Feb.
sunnySunny
Temperature Icon14°/-5°
Humidity Icon58%
Wind Icon22km/h
Mon. 9, Feb.
overcastOvercast
Temperature Icon4°/-1°
Humidity Icon90%
Wind Icon14km/h
Tue. 10, Feb.
overcastOvercast
Temperature Icon11°/1°
Humidity Icon90%
Wind Icon21km/h
Wed. 11, Feb.
sunnySunny
Temperature Icon10°/0°
Humidity Icon65%
Wind Icon14km/h
Thu. 12, Feb.
patchy rain possiblePatchy rain nearby
Temperature Icon7°/0°
Humidity Icon59%
Wind Icon19km/h
Fri. 13, Feb.
patchy rain possiblePatchy rain nearby
Temperature Icon3°/2°
Humidity Icon87%
Wind Icon21km/h
Sat. 14, Feb.
patchy rain possiblePatchy rain nearby
Temperature Icon5°/3°
Humidity Icon96%
Wind Icon23km/h
Sun. 15, Feb.
sunnySunny
Temperature Icon12°/2°
Humidity Icon72%
Wind Icon23km/h
Mon. 16, Feb.
sunnySunny
Temperature Icon16°/2°
Humidity Icon64%
Wind Icon25km/h
Tue. 17, Feb.
sunnySunny
Temperature Icon20°/10°
Humidity Icon66%
Wind Icon28km/h
Wed. 18, Feb.
partly cloudyPartly Cloudy
Temperature Icon20°/9°
Humidity Icon61%
Wind Icon37km/h
Thu. 19, Feb.
moderate rainModerate rain
Temperature Icon8°/5°
Humidity Icon83%
Wind Icon28km/h
Fri. 20, Feb.
moderate rainModerate rain
Temperature Icon15°/0°
Humidity Icon73%
Wind Icon40km/h
Sat. 21, Feb.
partly cloudyPartly Cloudy
Temperature Icon3°/-4°
Humidity Icon51%
Wind Icon32km/h
Sun. 22, Feb.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon9°/-1°
Humidity Icon75%
Wind Icon21km/h
Mon. 23, Feb.
heavy rain at timesHeavy rain at times
Temperature Icon8°/-1°
Humidity Icon72%
Wind Icon21km/h
Tue. 24, Feb.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon7°/-2°
Humidity Icon73%
Wind Icon24km/h
Wed. 25, Feb.
moderate rain at timesModerate rain at times
Temperature Icon7°/-2°
Humidity Icon72%
Wind Icon21km/h
Thu. 26, Feb.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon9°/-1°
Humidity Icon72%
Wind Icon21km/h
Fri. 27, Feb.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon10°/0°
Humidity Icon67%
Wind Icon23km/h
Sat. 28, Feb.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon10°/0°
Humidity Icon68%
Wind Icon22km/h
Sun. 1, Mar.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon10°/0°
Humidity Icon71%
Wind Icon21km/h
Mon. 2, Mar.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon8°/-2°
Humidity Icon69%
Wind Icon18km/h
Tue. 3, Mar.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon8°/-1°
Humidity Icon69%
Wind Icon22km/h
Wed. 4, Mar.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/0°
Humidity Icon70%
Wind Icon20km/h
Thu. 5, Mar.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon10°/1°
Humidity Icon75%
Wind Icon25km/h
Fri. 6, Mar.
heavy rain at timesHeavy rain at times
Temperature Icon12°/1°
Humidity Icon69%
Wind Icon23km/h
Sat. 7, Mar.
heavy rain at timesHeavy rain at times
Temperature Icon13°/4°
Humidity Icon73%
Wind Icon22km/h
Sun. 8, Mar.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/3°
Humidity Icon74%
Wind Icon21km/h
Mon. 9, Mar.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/4°
Humidity Icon74%
Wind Icon22km/h
Tue. 10, Mar.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/4°
Humidity Icon70%
Wind Icon22km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onTue. 17, Feb.

20.3°C

Low will be onSun. 8, Feb.

-4.8°C

HumidityHumidity

High will be onSat. 14, Feb.

96%

Low will be onSat. 21, Feb.

51%

Wind SpeedWind Speed

High will be onFri. 20, Feb.

40.3km/h

Low will be onMon. 9, Feb.

14km/h

PrecipitationPrecipitation

High will be onFri. 20, Feb.

6.2mm

Low will be onWed. 18, Feb.

0.01mm

Ultraviolet IndexUV

High will be onWed. 18, Feb.

5

Low will be onFri. 13, Feb.

1

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