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 16.05% 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 Sep. (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 +3.2%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
7270
-2.7%
cloudyCloudy
7046
-34.2%
rainyRainy
10064
-36%
snowySnowy
810
25%
mistyMisty
04
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

+0.2 °C

Variation in annual rainfall

+7.9 %

Change in average humidity

+0.2 %

PM2.5 levels surged by

-32.9 %

Heatwave changed by

-7.7 day(s)

Coldwave changed by

-3.5 day(s)

Wind speeds changed by

+0.4 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 Sep.

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

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Tue. 28, Oct.
sunnySunny
Temperature Icon5°/-6°
Humidity Icon60%
Wind Icon8km/h
Wed. 29, Oct.
overcastOvercast
Temperature Icon8°/-3°
Humidity Icon62%
Wind Icon31km/h
Thu. 30, Oct.
partly cloudyPartly Cloudy
Temperature Icon5°/-4°
Humidity Icon72%
Wind Icon5km/h
Fri. 31, Oct.
sunnySunny
Temperature Icon11°/-2°
Humidity Icon49%
Wind Icon7km/h
Sat. 1, Nov.
sunnySunny
Temperature Icon17°/3°
Humidity Icon49%
Wind Icon21km/h
Sun. 2, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon11°/5°
Humidity Icon72%
Wind Icon18km/h
Mon. 3, Nov.
partly cloudyPartly Cloudy
Temperature Icon10°/2°
Humidity Icon55%
Wind Icon13km/h
Tue. 4, Nov.
partly cloudyPartly Cloudy
Temperature Icon11°/2°
Humidity Icon57%
Wind Icon7km/h
Wed. 5, Nov.
sunnySunny
Temperature Icon13°/4°
Humidity Icon59%
Wind Icon37km/h
Thu. 6, Nov.
sunnySunny
Temperature Icon11°/3°
Humidity Icon62%
Wind Icon41km/h
Fri. 7, Nov.
sunnySunny
Temperature Icon7°/0°
Humidity Icon61%
Wind Icon30km/h
Sat. 8, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon5°/-3°
Humidity Icon70%
Wind Icon13km/h
Sun. 9, Nov.
sunnySunny
Temperature Icon7°/-5°
Humidity Icon61%
Wind Icon12km/h
Mon. 10, Nov.
patchy moderate snowPatchy moderate snow
Temperature Icon2°/-7°
Humidity Icon79%
Wind Icon16km/h
Wed. 12, Nov.
patchy moderate snowPatchy moderate snow
Temperature Icon3°/-7°
Humidity Icon76%
Wind Icon14km/h
Thu. 13, Nov.
light freezing rainLight freezing rain
Temperature Icon4°/-5°
Humidity Icon75%
Wind Icon18km/h
Fri. 14, Nov.
light freezing rainLight freezing rain
Temperature Icon4°/-5°
Humidity Icon74%
Wind Icon19km/h
Sat. 15, Nov.
patchy moderate snowPatchy moderate snow
Temperature Icon5°/-5°
Humidity Icon74%
Wind Icon18km/h
Sun. 16, Nov.
moderate snowModerate snow
Temperature Icon3°/-7°
Humidity Icon78%
Wind Icon19km/h
Mon. 17, Nov.
light freezing rainLight freezing rain
Temperature Icon3°/-7°
Humidity Icon78%
Wind Icon17km/h
Tue. 18, Nov.
patchy moderate snowPatchy moderate snow
Temperature Icon2°/-7°
Humidity Icon76%
Wind Icon16km/h
Wed. 19, Nov.
light freezing rainLight freezing rain
Temperature Icon3°/-7°
Humidity Icon74%
Wind Icon16km/h
Thu. 20, Nov.
patchy moderate snowPatchy moderate snow
Temperature Icon2°/-8°
Humidity Icon76%
Wind Icon16km/h
Fri. 21, Nov.
patchy moderate snowPatchy moderate snow
Temperature Icon3°/-7°
Humidity Icon74%
Wind Icon15km/h
Sun. 23, Nov.
patchy moderate snowPatchy moderate snow
Temperature Icon2°/-6°
Humidity Icon73%
Wind Icon18km/h
Mon. 24, Nov.
patchy moderate snowPatchy moderate snow
Temperature Icon1°/-7°
Humidity Icon77%
Wind Icon17km/h
Tue. 25, Nov.
patchy moderate snowPatchy moderate snow
Temperature Icon1°/-8°
Humidity Icon76%
Wind Icon15km/h
Wed. 26, Nov.
patchy moderate snowPatchy moderate snow
Temperature Icon3°/-7°
Humidity Icon74%
Wind Icon15km/h
Thu. 27, Nov.
light freezing rainLight freezing rain
Temperature Icon3°/-6°
Humidity Icon73%
Wind Icon17km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSat. 1, Nov.

17.2°C

Low will be onThu. 20, Nov.

-7.7°C

HumidityHumidity

High will be onMon. 10, Nov.

79%

Low will be onFri. 31, Oct.

49%

Wind SpeedWind Speed

High will be onThu. 6, Nov.

41.4km/h

Low will be onThu. 30, Oct.

5.4km/h

PrecipitationPrecipitation

High will be onSun. 16, Nov.

1.4mm

Low will be onTue. 4, Nov.

0.01mm

Ultraviolet IndexUV

High will be onTue. 4, Nov.

3

Low will be onSat. 8, Nov.

1

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