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


Helena Valley West Central Weather Condition Changes (Historic Vs 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
Sun. 26, Oct.
patchy rain possiblePatchy rain nearby

Temperature Icon8°/-3°

Humidity Icon59%

Wind Icon31km/h
Mon. 27, Oct.
cloudyCloudy

Temperature Icon5°/-5°

Humidity Icon60%

Wind Icon28km/h
Tue. 28, Oct.
sunnySunny

Temperature Icon7°/-7°

Humidity Icon55%

Wind Icon10km/h
Wed. 29, Oct.
sunnySunny

Temperature Icon14°/0°

Humidity Icon51%

Wind Icon11km/h
Thu. 30, Oct.
sunnySunny

Temperature Icon8°/-2°

Humidity Icon66%

Wind Icon9km/h
Fri. 31, Oct.
sunnySunny

Temperature Icon12°/0°

Humidity Icon46%

Wind Icon22km/h
Sat. 1, Nov.
partly cloudyPartly Cloudy

Temperature Icon11°/5°

Humidity Icon55%

Wind Icon23km/h
Sun. 2, Nov.
partly cloudyPartly Cloudy

Temperature Icon18°/4°

Humidity Icon64%

Wind Icon9km/h
Mon. 3, Nov.
sunnySunny

Temperature Icon17°/7°

Humidity Icon62%

Wind Icon15km/h
Tue. 4, Nov.
patchy rain possiblePatchy rain nearby

Temperature Icon9°/0°

Humidity Icon78%

Wind Icon13km/h
Wed. 5, Nov.
sunnySunny

Temperature Icon5°/-5°

Humidity Icon67%

Wind Icon8km/h
Thu. 6, Nov.
light freezing rainLight freezing rain

Temperature Icon2°/-2°

Humidity Icon69%

Wind Icon6km/h
Fri. 7, Nov.
patchy rain possiblePatchy rain nearby

Temperature Icon2°/-2°

Humidity Icon67%

Wind Icon32km/h
Sat. 8, Nov.
moderate or heavy snow showersModerate or heavy snow showers

Temperature Icon5°/-5°

Humidity Icon72%

Wind Icon16km/h
Sun. 9, Nov.
moderate or heavy snow showersModerate or heavy snow showers

Temperature Icon4°/-6°

Humidity Icon71%

Wind Icon13km/h
Mon. 10, Nov.
patchy moderate snowPatchy moderate snow

Temperature Icon2°/-7°

Humidity Icon77%

Wind Icon16km/h
Wed. 12, Nov.
patchy moderate snowPatchy moderate snow

Temperature Icon3°/-7°

Humidity Icon75%

Wind Icon14km/h
Thu. 13, Nov.
light freezing rainLight freezing rain

Temperature Icon4°/-5°

Humidity Icon74%

Wind Icon17km/h
Fri. 14, Nov.
light freezing rainLight freezing rain

Temperature Icon4°/-5°

Humidity Icon73%

Wind Icon18km/h
Sat. 15, Nov.
patchy moderate snowPatchy moderate snow

Temperature Icon4°/-5°

Humidity Icon72%

Wind Icon18km/h
Sun. 16, Nov.
moderate or heavy snow showersModerate or heavy snow showers

Temperature Icon2°/-7°

Humidity Icon77%

Wind Icon18km/h
Mon. 17, Nov.
light freezing rainLight freezing rain

Temperature Icon2°/-8°

Humidity Icon77%

Wind Icon16km/h
Tue. 18, Nov.
patchy moderate snowPatchy moderate snow

Temperature Icon2°/-7°

Humidity Icon74%

Wind Icon16km/h
Wed. 19, Nov.
light freezing rainLight freezing rain

Temperature Icon2°/-8°

Humidity Icon73%

Wind Icon15km/h
Thu. 20, Nov.
patchy moderate snowPatchy moderate snow

Temperature Icon2°/-8°

Humidity Icon75%

Wind Icon15km/h
Fri. 21, Nov.
light freezing rainLight freezing rain

Temperature Icon3°/-8°

Humidity Icon72%

Wind Icon14km/h
Sun. 23, Nov.
patchy moderate snowPatchy moderate snow

Temperature Icon2°/-6°

Humidity Icon72%

Wind Icon18km/h
Mon. 24, Nov.
patchy moderate snowPatchy moderate snow

Temperature Icon2°/-7°

Humidity Icon76%

Wind Icon16km/h
Tue. 25, Nov.
patchy moderate snowPatchy moderate snow

Temperature Icon1°/-8°

Humidity Icon75%

Wind Icon15km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSun. 2, Nov.

17.8°C


Low will be onTue. 25, Nov.

-8.4°C

HumidityHumidity

High will be onTue. 4, Nov.

78%


Low will be onFri. 31, Oct.

46%

Wind SpeedWind Speed

High will be onFri. 7, Nov.

32km/h


Low will be onThu. 6, Nov.

6.1km/h

PrecipitationPrecipitation

High will be onSat. 8, Nov.

2.4mm


Low will be onThu. 30, Oct.

0.01mm

Ultraviolet IndexUV

High will be onMon. 3, Nov.

4


Low will be onThu. 6, Nov.

1