Sidney, Montana, United States Climate Change Severity

57
High
The current climate change severity in Sidney is High, with a 1.3% worsening in the climate score compared to last 16 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to Jul. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Sidney 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), Sidney temperature has changed by around +22.9%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
3991
133.3%
cloudyCloudy
5817
-70.6%
rainyRainy
6324
-61.9%
snowySnowy
56
20%
mistyMisty
014
100%

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

Climate Change Indicators:

Over the past 16 years, Sidney 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 2026, Sidney experienced significant changes:

Temperature change of

+1.53 °C

Variation in annual rainfall

-22.48 %

Change in average humidity

-2.11 %

PM2.5 levels surged by

+17 %

Heatwave changed by

-1 Day

Coldwave changed by

-9 Days

Wind speeds changed by

+2.64 km/h

These indicators show that Sidney 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 Jul.

Sidney Weather Forecast 30 Days (August - September 2026)
Sidney, Montana, United States

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Sat. 8, Aug.
sunnySunny
Temperature Icon34°/14°
Humidity Icon35%
Wind Icon32.8km/h
Sun. 9, Aug.
sunnySunny
Temperature Icon31°/15°
Humidity Icon39%
Wind Icon25.6km/h
Mon. 10, Aug.
sunnySunny
Temperature Icon31°/15°
Humidity Icon38%
Wind Icon24.5km/h
Tue. 11, Aug.
sunnySunny
Temperature Icon32°/14°
Humidity Icon40%
Wind Icon21.6km/h
Wed. 12, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon33°/16°
Humidity Icon44%
Wind Icon21.2km/h
Thu. 13, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon32°/17°
Humidity Icon66%
Wind Icon31.7km/h
Fri. 14, Aug.
partly cloudyPartly Cloudy
Temperature Icon21°/16°
Humidity Icon65%
Wind Icon27.7km/h
Sat. 15, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon29°/17°
Humidity Icon46%
Wind Icon20.6km/h
Sun. 16, Aug.
heavy rain at timesHeavy Rain
Temperature Icon28°/16°
Humidity Icon42%
Wind Icon22km/h
Mon. 17, Aug.
patchy rain possibleRain Possible
Temperature Icon30°/16°
Humidity Icon41%
Wind Icon20.9km/h
Tue. 18, Aug.
patchy rain possibleRain Possible
Temperature Icon30°/17°
Humidity Icon42%
Wind Icon20.9km/h
Wed. 19, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon28°/17°
Humidity Icon44%
Wind Icon21.4km/h
Thu. 20, Aug.
heavy rain at timesHeavy Rain
Temperature Icon27°/16°
Humidity Icon48%
Wind Icon21.4km/h
Fri. 21, Aug.
moderate rain at timesRain
Temperature Icon29°/16°
Humidity Icon41%
Wind Icon22.7km/h
Sat. 22, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon30°/17°
Humidity Icon42%
Wind Icon25.3km/h
Sun. 23, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon28°/16°
Humidity Icon44%
Wind Icon25.3km/h
Mon. 24, Aug.
moderate rain at timesRain
Temperature Icon28°/16°
Humidity Icon47%
Wind Icon23.7km/h
Tue. 25, Aug.
moderate rain at timesRain
Temperature Icon27°/15°
Humidity Icon45%
Wind Icon21.6km/h
Wed. 26, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon28°/15°
Humidity Icon47%
Wind Icon18.6km/h
Thu. 27, Aug.
moderate rain at timesRain
Temperature Icon28°/16°
Humidity Icon46%
Wind Icon21.7km/h
Fri. 28, Aug.
patchy rain possibleRain Possible
Temperature Icon28°/16°
Humidity Icon46%
Wind Icon21.3km/h
Sat. 29, Aug.
moderate rain at timesRain
Temperature Icon28°/16°
Humidity Icon43%
Wind Icon21.9km/h
Sun. 30, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon28°/16°
Humidity Icon44%
Wind Icon24.4km/h
Mon. 31, Aug.
patchy rain possibleRain Possible
Temperature Icon28°/16°
Humidity Icon44%
Wind Icon25.8km/h
Tue. 1, Sep.
patchy rain possibleRain Possible
Temperature Icon28°/16°
Humidity Icon45%
Wind Icon22.8km/h
Wed. 2, Sep.
patchy rain possibleRain Possible
Temperature Icon29°/15°
Humidity Icon41%
Wind Icon24.2km/h
Thu. 3, Sep.
heavy rain at timesHeavy Rain
Temperature Icon28°/15°
Humidity Icon37%
Wind Icon22.8km/h
Fri. 4, Sep.
patchy rain possibleRain Possible
Temperature Icon26°/14°
Humidity Icon42%
Wind Icon27.5km/h
Sat. 5, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon26°/13°
Humidity Icon43%
Wind Icon20.7km/h
Sun. 6, Sep.
moderate rain at timesRain
Temperature Icon26°/14°
Humidity Icon40%
Wind Icon20.8km/h
Mon. 7, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon25°/12°
Humidity Icon43%
Wind Icon22.5km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSat. 8, Aug.

34°C

Low will be onMon. 7, Sep.

12°C

HumidityHumidity

High will be onThu. 13, Aug.

66%

Low will be onSat. 8, Aug.

35%

Wind SpeedWind Speed

High will be onSat. 8, Aug.

32.8km/h

Low will be onWed. 26, Aug.

18.6km/h

PrecipitationPrecipitation

High will be onMon. 7, Sep.

6.1mm

Low will be onFri. 14, Aug.

0.04mm

Ultraviolet IndexUV

High will be onWed. 12, Aug.

8

Low will be onFri. 4, Sep.

4

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