Helena Valley West Central, Montana, United States Climate Change Severity

38
Moderate
The current climate change severity in Helena Valley West Central is Moderate, with a 18.8% 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 Aug. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Helena Valley West Central 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), Helena Valley West Central temperature has changed by around -0.7%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
5956
-5.08%
cloudyCloudy
6339
-38.09%
rainyRainy
9363
-32.2%
snowySnowy
810
25%
mistyMisty
03
100%

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

Climate Change Indicators:

Over the past 15 years, Helena Valley West Central has experienced measurable improvements in key climate parameters, contributing to the current severity score of 38 (within the Moderate severity category). This suggests improving climate conditions compared to previous years. Here’s a breakdown of the specific changes observed:

Severity Score

38/100

Moderate

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Helena Valley West Central experienced significant changes:

Temperature change of

-0.04 °C

Variation in annual rainfall

+13.7 %

Change in average humidity

+0.6 %

PM2.5 levels surged by

-30.1 %

Heatwave changed by

-5.6 day(s)

Coldwave changed by

-2.3 day(s)

Wind speeds changed by

+0.7 km/h

These indicators show reduced climate volatility, offering a valuable window to reinforce sustainable practices and strengthen long-term climate resilience. As the severity shifts toward Moderate, it is important to maintain momentum in climate adaptation efforts.

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

Helena Valley West Central Weather Forecast 30 Days (September - October 2025)
Helena Valley West Central, Montana, United States

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Fri. 5, Sep.
sunnySunny
Temperature Icon22°/7°
Humidity Icon48%
Wind Icon6km/h
Sat. 6, Sep.
sunnySunny
Temperature Icon26°/9°
Humidity Icon35%
Wind Icon9km/h
Sun. 7, Sep.
partly cloudyPartly Cloudy
Temperature Icon27°/11°
Humidity Icon40%
Wind Icon22km/h
Mon. 8, Sep.
sunnySunny
Temperature Icon28°/11°
Humidity Icon49%
Wind Icon18km/h
Tue. 9, Sep.
partly cloudyPartly Cloudy
Temperature Icon24°/13°
Humidity Icon42%
Wind Icon19km/h
Wed. 10, Sep.
sunnySunny
Temperature Icon26°/10°
Humidity Icon50%
Wind Icon9km/h
Thu. 11, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon27°/10°
Humidity Icon56%
Wind Icon18km/h
Fri. 12, Sep.
partly cloudyPartly Cloudy
Temperature Icon24°/12°
Humidity Icon59%
Wind Icon9km/h
Sat. 13, Sep.
moderate rainModerate rain
Temperature Icon14°/12°
Humidity Icon93%
Wind Icon9km/h
Sun. 14, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon25°/11°
Humidity Icon65%
Wind Icon14km/h
Mon. 15, Sep.
sunnySunny
Temperature Icon25°/11°
Humidity Icon53%
Wind Icon10km/h
Tue. 16, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon15°/9°
Humidity Icon79%
Wind Icon6km/h
Wed. 17, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon20°/11°
Humidity Icon69%
Wind Icon9km/h
Thu. 18, Sep.
sunnySunny
Temperature Icon23°/9°
Humidity Icon67%
Wind Icon10km/h
Fri. 19, Sep.
heavy rain at timesHeavy rain at times
Temperature Icon19°/7°
Humidity Icon57%
Wind Icon18km/h
Sat. 20, Sep.
moderate rain at timesModerate rain at times
Temperature Icon17°/6°
Humidity Icon55%
Wind Icon18km/h
Sun. 21, Sep.
heavy rain at timesHeavy rain at times
Temperature Icon19°/5°
Humidity Icon54%
Wind Icon16km/h
Mon. 22, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/7°
Humidity Icon57%
Wind Icon15km/h
Tue. 23, Sep.
moderate rain at timesModerate rain at times
Temperature Icon21°/7°
Humidity Icon52%
Wind Icon17km/h
Wed. 24, Sep.
moderate rain at timesModerate rain at times
Temperature Icon20°/7°
Humidity Icon47%
Wind Icon17km/h
Thu. 25, Sep.
moderate rain at timesModerate rain at times
Temperature Icon22°/7°
Humidity Icon48%
Wind Icon17km/h
Fri. 26, Sep.
moderate rain at timesModerate rain at times
Temperature Icon21°/7°
Humidity Icon50%
Wind Icon19km/h
Sat. 27, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon19°/6°
Humidity Icon54%
Wind Icon16km/h
Sun. 28, Sep.
moderate rain at timesModerate rain at times
Temperature Icon18°/4°
Humidity Icon54%
Wind Icon16km/h
Mon. 29, Sep.
heavy rain at timesHeavy rain at times
Temperature Icon18°/5°
Humidity Icon55%
Wind Icon17km/h
Tue. 30, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon16°/5°
Humidity Icon61%
Wind Icon16km/h
Wed. 1, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon16°/4°
Humidity Icon62%
Wind Icon15km/h
Thu. 2, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon15°/3°
Humidity Icon62%
Wind Icon14km/h
Fri. 3, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/3°
Humidity Icon66%
Wind Icon16km/h
Sat. 4, Oct.
moderate rain at timesModerate rain at times
Temperature Icon14°/3°
Humidity Icon64%
Wind Icon15km/h
Sun. 5, Oct.
heavy rain at timesHeavy rain at times
Temperature Icon13°/2°
Humidity Icon66%
Wind Icon15km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onMon. 8, Sep.

27.8°C

Low will be onSun. 5, Oct.

2.2°C

HumidityHumidity

High will be onSat. 13, Sep.

93%

Low will be onSat. 6, Sep.

35%

Wind SpeedWind Speed

High will be onSun. 7, Sep.

22km/h

Low will be onFri. 5, Sep.

6.1km/h

PrecipitationPrecipitation

High will be onSat. 13, Sep.

18.2mm

Low will be onWed. 17, Sep.

0.03mm

Ultraviolet IndexUV

High will be onWed. 10, Sep.

5

Low will be onTue. 30, Sep.

2

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