Northbrook, Illinois, United States Climate Change Severity

57
High
The current climate change severity in Northbrook is High, with a 2.7% worsening in the climate score compared to last 15 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to Oct. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Northbrook Weather Condition Changes (Historic Vs 2025)

2025
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2025

Over the past 15 year(s), Northbrook temperature has changed by around +6.4%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Oct. (Historical Vs 2025)

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
5421
-61.1%
cloudyCloudy
7559
-21.3%
rainyRainy
12068
-43.3%
snowySnowy
86
-25%
mistyMisty
027
100%

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

Climate Change Indicators:

Over the past 15 years, Northbrook has experienced measurable shifts in key climate parameters, contributing to the current severity score of 57 (within the High severity category). This suggests worsening climate conditions from the previous years. Here’s a breakdown of the specific changes observed:

Severity Score

57/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Northbrook experienced significant changes:

Temperature change of

+0.7 °C

Variation in annual rainfall

+53.4 %

Change in average humidity

-1.09 %

PM2.5 levels surged by

+100 %

Heatwave changed by

-0.1 day(s)

Coldwave changed by

-8.9 day(s)

Wind speeds changed by

-2.4 km/h

These indicators show that Northbrook is experiencing a more volatile and extreme climate, reinforcing the need for urgent intervention to mitigate risks. As the severity score rises, focus must shift to adaptation and emergency preparedness.

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

Northbrook Weather Forecast 30 Days (November - December 2025)
Northbrook, Illinois, United States

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Thu. 20, Nov.
overcastOvercast
Temperature Icon9°/6°
Humidity Icon93%
Wind Icon13km/h
Fri. 21, Nov.
mistMist
Temperature Icon6°/3°
Humidity Icon95%
Wind Icon15km/h
Sat. 22, Nov.
mistMist
Temperature Icon5°/-1°
Humidity Icon87%
Wind Icon15km/h
Sun. 23, Nov.
sunnySunny
Temperature Icon15°/7°
Humidity Icon63%
Wind Icon21km/h
Mon. 24, Nov.
sunnySunny
Temperature Icon10°/7°
Humidity Icon72%
Wind Icon9km/h
Tue. 25, Nov.
cloudyCloudy
Temperature Icon9°/7°
Humidity Icon69%
Wind Icon13km/h
Wed. 26, Nov.
sunnySunny
Temperature Icon5°/2°
Humidity Icon48%
Wind Icon22km/h
Thu. 27, Nov.
sunnySunny
Temperature Icon1°/-2°
Humidity Icon40%
Wind Icon21km/h
Fri. 28, Nov.
partly cloudyPartly Cloudy
Temperature Icon-3°/-5°
Humidity Icon42%
Wind Icon27km/h
Sat. 29, Nov.
sunnySunny
Temperature Icon-1°/-6°
Humidity Icon34%
Wind Icon24km/h
Sun. 30, Nov.
partly cloudyPartly Cloudy
Temperature Icon-4°/-6°
Humidity Icon31%
Wind Icon19km/h
Mon. 1, Dec.
partly cloudyPartly Cloudy
Temperature Icon-2°/-5°
Humidity Icon37%
Wind Icon12km/h
Tue. 2, Dec.
light freezing rainLight freezing rain
Temperature Icon0°/-2°
Humidity Icon53%
Wind Icon20km/h
Wed. 3, Dec.
light snowLight snow
Temperature Icon1°/-1°
Humidity Icon83%
Wind Icon22km/h
Thu. 4, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon5°/0°
Humidity Icon74%
Wind Icon25km/h
Fri. 5, Dec.
moderate snowModerate snow
Temperature Icon3°/-2°
Humidity Icon71%
Wind Icon23km/h
Sat. 6, Dec.
light freezing rainLight freezing rain
Temperature Icon2°/-3°
Humidity Icon70%
Wind Icon23km/h
Sun. 7, Dec.
light freezing rainLight freezing rain
Temperature Icon1°/-3°
Humidity Icon68%
Wind Icon21km/h
Mon. 8, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-2°
Humidity Icon77%
Wind Icon23km/h
Tue. 9, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon3°/-2°
Humidity Icon80%
Wind Icon26km/h
Wed. 10, Dec.
moderate snowModerate snow
Temperature Icon2°/-4°
Humidity Icon77%
Wind Icon25km/h
Thu. 11, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-3°
Humidity Icon75%
Wind Icon26km/h
Fri. 12, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-4°
Humidity Icon73%
Wind Icon27km/h
Sat. 13, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon3°/-2°
Humidity Icon75%
Wind Icon23km/h
Sun. 14, Dec.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon4°/-2°
Humidity Icon82%
Wind Icon25km/h
Mon. 15, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon3°/-2°
Humidity Icon79%
Wind Icon24km/h
Tue. 16, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon3°/-2°
Humidity Icon78%
Wind Icon23km/h
Wed. 17, Dec.
light freezing rainLight freezing rain
Temperature Icon1°/-3°
Humidity Icon77%
Wind Icon22km/h
Thu. 18, Dec.
moderate snowModerate snow
Temperature Icon1°/-5°
Humidity Icon75%
Wind Icon25km/h
Fri. 19, Dec.
patchy moderate snowPatchy moderate snow
Temperature Icon1°/-4°
Humidity Icon77%
Wind Icon22km/h
Sat. 20, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-2°
Humidity Icon79%
Wind Icon23km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSun. 23, Nov.

14.5°C

Low will be onSat. 29, Nov.

-6.1°C

HumidityHumidity

High will be onFri. 21, Nov.

95%

Low will be onSun. 30, Nov.

31%

Wind SpeedWind Speed

High will be onFri. 12, Dec.

27.4km/h

Low will be onMon. 24, Nov.

9km/h

PrecipitationPrecipitation

High will be onSun. 14, Dec.

5.6mm

Low will be onThu. 20, Nov.

0.03mm

Ultraviolet IndexUV

High will be onTue. 25, Nov.

2

Low will be onTue. 2, Dec.

1

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