Sidney, Montana, United States Climate Change Severity

43
High
The current climate change severity in Sidney is High, with a -24.7% improvement in the climate score compared to last 15 years. This suggests improved conditions, with more favorable environmental indicators and a reduction in negative impacts.
Data: Jan. to Jul. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Sidney 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), Sidney temperature has changed by around -2.6%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
4029
-27.5%
cloudyCloudy
5944
-25.4%
rainyRainy
6448
-25%
snowySnowy
54
-20%
mistyMisty
06
100%

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

Climate Change Indicators:

Over the past 15 years, Sidney has experienced measurable shifts in key climate parameters, contributing to the current severity score of 43 (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

43/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Sidney experienced significant changes:

Temperature change of

-0.1 °C

Variation in annual rainfall

+76.3 %

Change in average humidity

+0.8 %

PM2.5 levels surged by

+2.8 %

Heatwave changed by

-5.2 day(s)

Coldwave changed by

+1.1 day(s)

Wind speeds changed by

+0.2 km/h

These indicators show improvement in key parametes of climate, but Sidney 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 Jul.

Sidney Weather Forecast 30 Days (August 2025)
Sidney, Montana, United States

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Fri. 1, Aug.
partly cloudyPartly Cloudy
Temperature Icon29°/17°
Humidity Icon75%
Wind Icon31km/h
Sat. 2, Aug.
overcastOvercast
Temperature Icon25°/20°
Humidity Icon78%
Wind Icon22km/h
Sun. 3, Aug.
heavy rainHeavy rain
Temperature Icon25°/19°
Humidity Icon78%
Wind Icon21km/h
Mon. 4, Aug.
sunnySunny
Temperature Icon30°/17°
Humidity Icon64%
Wind Icon27km/h
Tue. 5, Aug.
moderate rainModerate rain
Temperature Icon28°/18°
Humidity Icon68%
Wind Icon24km/h
Wed. 6, Aug.
sunnySunny
Temperature Icon34°/19°
Humidity Icon49%
Wind Icon12km/h
Thu. 7, Aug.
sunnySunny
Temperature Icon32°/21°
Humidity Icon43%
Wind Icon12km/h
Fri. 8, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon26°/21°
Humidity Icon44%
Wind Icon23km/h
Sat. 9, Aug.
partly cloudyPartly Cloudy
Temperature Icon26°/18°
Humidity Icon46%
Wind Icon14km/h
Sun. 10, Aug.
sunnySunny
Temperature Icon28°/17°
Humidity Icon42%
Wind Icon17km/h
Mon. 11, Aug.
sunnySunny
Temperature Icon33°/17°
Humidity Icon38%
Wind Icon27km/h
Tue. 12, Aug.
sunnySunny
Temperature Icon35°/21°
Humidity Icon37%
Wind Icon25km/h
Wed. 13, Aug.
sunnySunny
Temperature Icon33°/20°
Humidity Icon25%
Wind Icon22km/h
Thu. 14, Aug.
sunnySunny
Temperature Icon33°/20°
Humidity Icon26%
Wind Icon13km/h
Fri. 15, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/17°
Humidity Icon46%
Wind Icon20km/h
Sat. 16, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon28°/16°
Humidity Icon41%
Wind Icon22km/h
Sun. 17, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon30°/17°
Humidity Icon38%
Wind Icon21km/h
Mon. 18, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon29°/17°
Humidity Icon41%
Wind Icon22km/h
Tue. 19, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/16°
Humidity Icon44%
Wind Icon21km/h
Wed. 20, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/15°
Humidity Icon47%
Wind Icon21km/h
Thu. 21, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon29°/15°
Humidity Icon42%
Wind Icon22km/h
Fri. 22, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/17°
Humidity Icon42%
Wind Icon26km/h
Sat. 23, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/17°
Humidity Icon45%
Wind Icon26km/h
Sun. 24, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon28°/16°
Humidity Icon48%
Wind Icon25km/h
Mon. 25, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon27°/15°
Humidity Icon46%
Wind Icon23km/h
Tue. 26, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon29°/15°
Humidity Icon46%
Wind Icon20km/h
Wed. 27, Aug.
moderate rain at timesModerate rain at times
Temperature Icon29°/16°
Humidity Icon45%
Wind Icon21km/h
Thu. 28, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon29°/16°
Humidity Icon46%
Wind Icon21km/h
Fri. 29, Aug.
moderate rain at timesModerate rain at times
Temperature Icon29°/16°
Humidity Icon43%
Wind Icon22km/h
Sat. 30, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/16°
Humidity Icon45%
Wind Icon26km/h
Sun. 31, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon28°/16°
Humidity Icon44%
Wind Icon26km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onTue. 12, Aug.

35.2°C

Low will be onMon. 25, Aug.

14.8°C

HumidityHumidity

High will be onSat. 2, Aug.

78%

Low will be onWed. 13, Aug.

25%

Wind SpeedWind Speed

High will be onFri. 1, Aug.

30.6km/h

Low will be onWed. 6, Aug.

12.2km/h

PrecipitationPrecipitation

High will be onSun. 3, Aug.

23.5mm

Low will be onMon. 18, Aug.

0.1mm

Ultraviolet IndexUV

High will be onWed. 6, Aug.

7

Low will be onFri. 8, Aug.

5

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