Mount Shasta, California, United States Climate Change Severity

71
Very High
The current climate change severity in Mount Shasta is Very High, with a 27.9% 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 May (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100


Mount Shasta Weather Condition Changes (Historic Vs 2026)

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

Over the past 16 year(s), Mount Shasta temperature has changed by around +38.4%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
4260
42.8%

cloudyCloudy
3921
-46.1%

rainyRainy
4830
-37.5%

snowySnowy
114
-63.6%

mistyMisty
03
100%

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

Climate Change Indicators:

Over the past 16 years, Mount Shasta has experienced measurable shifts in key climate parameters, contributing to the current severity score of 71 (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

71/100


Very High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, Mount Shasta experienced significant changes:

Temperature change of

+2.57 °C


Variation in annual rainfall

+66.3 %


Change in average humidity

-16.7 %


PM2.5 levels surged by

-48.2 %


Heatwave changed by

+10 Days


Coldwave changed by

-3 Days


Wind speeds changed by

-1.1 km/h


These indicators show a dramatic increase in volatility and worsening conditions. Mount Shasta'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 May

Mount Shasta Weather Forecast 30 Days (June - July 2026)
Mount Shasta, California, United States


Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Wed. 3, Jun.
sunnySunny

Temperature Icon28°/9°

Humidity Icon47%

Wind Icon13.3km/h
Thu. 4, Jun.
sunnySunny

Temperature Icon30°/6°

Humidity Icon41%

Wind Icon10.4km/h
Fri. 5, Jun.
sunnySunny

Temperature Icon30°/9°

Humidity Icon36%

Wind Icon16.6km/h
Sat. 6, Jun.
sunnySunny

Temperature Icon24°/5°

Humidity Icon48%

Wind Icon10.1km/h
Sun. 7, Jun.
sunnySunny

Temperature Icon23°/4°

Humidity Icon40%

Wind Icon16.2km/h
Mon. 8, Jun.
moderate rainRain

Temperature Icon6°/5°

Humidity Icon94%

Wind Icon7.6km/h
Tue. 9, Jun.
patchy rain possiblePatchy rain nearby

Temperature Icon19°/6°

Humidity Icon71%

Wind Icon9.7km/h
Wed. 10, Jun.
sunnySunny

Temperature Icon27°/5°

Humidity Icon44%

Wind Icon9.7km/h
Thu. 11, Jun.
moderate rain at timesModerate rain at times

Temperature Icon25°/11°

Humidity Icon55%

Wind Icon13.3km/h
Fri. 12, Jun.
moderate rain at timesModerate rain at times

Temperature Icon26°/11°

Humidity Icon57%

Wind Icon13km/h
Sat. 13, Jun.
patchy rain possiblePatchy rain possible

Temperature Icon25°/11°

Humidity Icon56%

Wind Icon13km/h
Sun. 14, Jun.
patchy rain possiblePatchy rain possible

Temperature Icon26°/10°

Humidity Icon51%

Wind Icon13.3km/h
Mon. 15, Jun.
patchy rain possiblePatchy rain possible

Temperature Icon26°/10°

Humidity Icon49%

Wind Icon14.8km/h
Tue. 16, Jun.
patchy rain possiblePatchy rain possible

Temperature Icon26°/10°

Humidity Icon48%

Wind Icon14km/h
Wed. 17, Jun.
heavy rain at timesHeavy rain at times

Temperature Icon26°/10°

Humidity Icon52%

Wind Icon13.7km/h
Thu. 18, Jun.
heavy rain at timesHeavy rain at times

Temperature Icon27°/11°

Humidity Icon51%

Wind Icon13km/h
Fri. 19, Jun.
patchy rain possiblePatchy rain possible

Temperature Icon27°/11°

Humidity Icon47%

Wind Icon13km/h
Sat. 20, Jun.
patchy rain possiblePatchy rain possible

Temperature Icon27°/11°

Humidity Icon47%

Wind Icon13km/h
Sun. 21, Jun.
patchy rain possiblePatchy rain possible

Temperature Icon29°/11°

Humidity Icon44%

Wind Icon13.3km/h
Mon. 22, Jun.
patchy rain possiblePatchy rain possible

Temperature Icon29°/12°

Humidity Icon44%

Wind Icon14km/h
Tue. 23, Jun.
patchy rain possiblePatchy rain possible

Temperature Icon29°/13°

Humidity Icon46%

Wind Icon14km/h
Wed. 24, Jun.
moderate rain at timesModerate rain at times

Temperature Icon29°/13°

Humidity Icon47%

Wind Icon12.6km/h
Thu. 25, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon29°/13°

Humidity Icon48%

Wind Icon14km/h
Fri. 26, Jun.
moderate rain at timesModerate rain at times

Temperature Icon29°/13°

Humidity Icon48%

Wind Icon13km/h
Sat. 27, Jun.
patchy rain possiblePatchy rain possible

Temperature Icon31°/14°

Humidity Icon45%

Wind Icon13.3km/h
Sun. 28, Jun.
heavy rain at timesHeavy rain at times

Temperature Icon30°/14°

Humidity Icon45%

Wind Icon13.7km/h
Mon. 29, Jun.
patchy rain possiblePatchy rain possible

Temperature Icon31°/14°

Humidity Icon43%

Wind Icon13km/h
Tue. 30, Jun.
sunnySunny

Temperature Icon32°/14°

Humidity Icon41%

Wind Icon13.7km/h
Wed. 1, Jul.
sunnySunny

Temperature Icon32°/15°

Humidity Icon41%

Wind Icon13.3km/h
Thu. 2, Jul.
sunnySunny

Temperature Icon33°/15°

Humidity Icon42%

Wind Icon13.3km/h
Fri. 3, Jul.
patchy rain possiblePatchy rain possible

Temperature Icon31°/15°

Humidity Icon44%

Wind Icon14km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onThu. 2, Jul.

33°C


Low will be onSun. 7, Jun.

4°C

HumidityHumidity

High will be onMon. 8, Jun.

94%


Low will be onFri. 5, Jun.

36%

Wind SpeedWind Speed

High will be onFri. 5, Jun.

16.6km/h


Low will be onMon. 8, Jun.

7.6km/h

PrecipitationPrecipitation

High will be onMon. 8, Jun.

5.9mm


Low will be onMon. 15, Jun.

0.1mm

Ultraviolet IndexUV

High will be onWed. 3, Jun.

10.3


Low will be onMon. 8, Jun.

2