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

67
Very High
The current climate change severity in Helena Valley West Central is Very High, with a 24.5% 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 Jan. (Historical Vs 2026) - 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 2026)

2026
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2026

Over the past 16 year(s), Helena Valley West Central temperature has changed by around -47.5%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
45
25%
cloudyCloudy
128
-33.3%
rainyRainy
70
-100%
snowySnowy
21
-50%
mistyMisty
04
100%

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

Climate Change Indicators:

Over the past 16 years, Helena Valley West Central has experienced measurable shifts in key climate parameters, contributing to the current severity score of 67 (within the Very High severity category). This suggests worsening climate conditions from the previous years. Here’s a breakdown of the specific changes observed:

Severity Score

67/100

Very High

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

+2.9 °C

Variation in annual rainfall

-84.8 %

Change in average humidity

-15.6 %

PM2.5 levels surged by

-23.9 %

Heatwave changed by

+2.2 day(s)

Coldwave changed by

-1.7 day(s)

Wind speeds changed by

-2.6 km/h

These indicators show a dramatic increase in volatility and worsening conditions. Helena Valley West Central's Very High severity status requires urgent and immediate adaptation and mitigation strategies, particularly focused on managing extreme weather events, improving air quality, and ensuring water resources are adequate for the population.

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

Helena Valley West Central Weather Forecast 30 Days (February - March 2026)
Helena Valley West Central, Montana, United States

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Tue. 10, Feb.
sunnySunny
Temperature Icon5°/-2°
Humidity Icon60%
Wind Icon6km/h
Wed. 11, Feb.
sunnySunny
Temperature Icon5°/-4°
Humidity Icon58%
Wind Icon6km/h
Thu. 12, Feb.
sunnySunny
Temperature Icon4°/-6°
Humidity Icon64%
Wind Icon17km/h
Fri. 13, Feb.
sunnySunny
Temperature Icon6°/-4°
Humidity Icon60%
Wind Icon7km/h
Sat. 14, Feb.
partly cloudyPartly Cloudy
Temperature Icon6°/-2°
Humidity Icon63%
Wind Icon7km/h
Sun. 15, Feb.
partly cloudyPartly Cloudy
Temperature Icon6°/0°
Humidity Icon62%
Wind Icon6km/h
Mon. 16, Feb.
sunnySunny
Temperature Icon10°/0°
Humidity Icon60%
Wind Icon18km/h
Tue. 17, Feb.
light freezing rainLight freezing rain
Temperature Icon-2°/-6°
Humidity Icon72%
Wind Icon16km/h
Wed. 18, Feb.
partly cloudyPartly Cloudy
Temperature Icon1°/-7°
Humidity Icon69%
Wind Icon6km/h
Thu. 19, Feb.
light freezing rainLight freezing rain
Temperature Icon2°/-7°
Humidity Icon73%
Wind Icon14km/h
Fri. 20, Feb.
light freezing rainLight freezing rain
Temperature Icon-6°/-10°
Humidity Icon71%
Wind Icon14km/h
Sat. 21, Feb.
light snowLight snow
Temperature Icon-10°/-13°
Humidity Icon73%
Wind Icon17km/h
Sun. 22, Feb.
partly cloudyPartly Cloudy
Temperature Icon-8°/-15°
Humidity Icon66%
Wind Icon12km/h
Mon. 23, Feb.
light freezing rainLight freezing rain
Temperature Icon-3°/-14°
Humidity Icon70%
Wind Icon10km/h
Tue. 24, Feb.
moderate snowModerate snow
Temperature Icon-2°/-12°
Humidity Icon81%
Wind Icon15km/h
Wed. 25, Feb.
moderate snowModerate snow
Temperature Icon-2°/-11°
Humidity Icon81%
Wind Icon17km/h
Thu. 26, Feb.
moderate snowModerate snow
Temperature Icon-2°/-12°
Humidity Icon81%
Wind Icon15km/h
Fri. 27, Feb.
patchy moderate snowPatchy moderate snow
Temperature Icon0°/-11°
Humidity Icon80%
Wind Icon15km/h
Sat. 28, Feb.
patchy moderate snowPatchy moderate snow
Temperature Icon1°/-9°
Humidity Icon82%
Wind Icon15km/h
Sun. 1, Mar.
light freezing rainLight freezing rain
Temperature Icon1°/-9°
Humidity Icon82%
Wind Icon15km/h
Mon. 2, Mar.
patchy moderate snowPatchy moderate snow
Temperature Icon1°/-9°
Humidity Icon83%
Wind Icon17km/h
Tue. 3, Mar.
light freezing rainLight freezing rain
Temperature Icon2°/-7°
Humidity Icon81%
Wind Icon18km/h
Wed. 4, Mar.
patchy moderate snowPatchy moderate snow
Temperature Icon2°/-7°
Humidity Icon79%
Wind Icon14km/h
Thu. 5, Mar.
light freezing rainLight freezing rain
Temperature Icon3°/-8°
Humidity Icon77%
Wind Icon15km/h
Fri. 6, Mar.
patchy moderate snowPatchy moderate snow
Temperature Icon2°/-7°
Humidity Icon78%
Wind Icon16km/h
Sat. 7, Mar.
light freezing rainLight freezing rain
Temperature Icon3°/-8°
Humidity Icon77%
Wind Icon14km/h
Sun. 8, Mar.
patchy moderate snowPatchy moderate snow
Temperature Icon3°/-7°
Humidity Icon77%
Wind Icon14km/h
Mon. 9, Mar.
patchy moderate snowPatchy moderate snow
Temperature Icon2°/-7°
Humidity Icon76%
Wind Icon14km/h
Tue. 10, Mar.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon3°/-7°
Humidity Icon76%
Wind Icon16km/h
Wed. 11, Mar.
light freezing rainLight freezing rain
Temperature Icon4°/-7°
Humidity Icon76%
Wind Icon16km/h
Thu. 12, Mar.
light freezing rainLight freezing rain
Temperature Icon5°/-6°
Humidity Icon76%
Wind Icon16km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onMon. 16, Feb.

10°C

Low will be onSun. 22, Feb.

-14.7°C

HumidityHumidity

High will be onMon. 2, Mar.

83%

Low will be onWed. 11, Feb.

58%

Wind SpeedWind Speed

High will be onMon. 16, Feb.

18km/h

Low will be onTue. 10, Feb.

5.8km/h

PrecipitationPrecipitation

High will be onTue. 10, Mar.

1.6mm

Low will be onSun. 22, Feb.

0.03mm

Ultraviolet IndexUV

High will be onSun. 15, Feb.

2

Low will be onTue. 17, Feb.

1

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