Ketchum, Idaho, United States Climate Change Severity

67
Very High
The current climate change severity in Ketchum is Very High, with a 38.3% 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)

Ketchum 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), Ketchum temperature has changed by around -66.1%, 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
78
14.2%
cloudyCloudy
99
0%
rainyRainy
50
-100%
snowySnowy
53
-40%
mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 16 years, Ketchum 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, Ketchum experienced significant changes:

Temperature change of

+5.05 °C

Variation in annual rainfall

+32.6 %

Change in average humidity

-15.9 %

PM2.5 levels surged by

+100 %

Heatwave changed by

+4.5 day(s)

Coldwave changed by

-1.2 day(s)

Wind speeds changed by

-2.4 km/h

These indicators show a dramatic increase in volatility and worsening conditions. Ketchum'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.

Ketchum Weather Forecast 30 Days (February - March 2026)
Ketchum, Idaho, United States

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Wed. 18, Feb.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon-3°/-11°
Humidity Icon82%
Wind Icon11km/h
Thu. 19, Feb.
partly cloudyPartly Cloudy
Temperature Icon-6°/-22°
Humidity Icon77%
Wind Icon11km/h
Fri. 20, Feb.
partly cloudyPartly Cloudy
Temperature Icon-4°/-21°
Humidity Icon73%
Wind Icon12km/h
Sat. 21, Feb.
sunnySunny
Temperature Icon-2°/-20°
Humidity Icon71%
Wind Icon10km/h
Sun. 22, Feb.
sunnySunny
Temperature Icon1°/-15°
Humidity Icon66%
Wind Icon10km/h
Mon. 23, Feb.
heavy snowHeavy snow
Temperature Icon1°/-12°
Humidity Icon86%
Wind Icon10km/h
Tue. 24, Feb.
light freezing rainLight freezing rain
Temperature Icon-1°/-17°
Humidity Icon78%
Wind Icon12km/h
Wed. 25, Feb.
sunnySunny
Temperature Icon0°/-16°
Humidity Icon77%
Wind Icon12km/h
Thu. 26, Feb.
heavy snowHeavy snow
Temperature Icon1°/-13°
Humidity Icon93%
Wind Icon20km/h
Fri. 27, Feb.
freezing fogFreezing fog
Temperature Icon-1°/-13°
Humidity Icon96%
Wind Icon13km/h
Sat. 28, Feb.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon-5°/-24°
Humidity Icon85%
Wind Icon29km/h
Sun. 1, Mar.
patchy moderate snowPatchy moderate snow
Temperature Icon-7°/-23°
Humidity Icon86%
Wind Icon12km/h
Mon. 2, Mar.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon-1°/-11°
Humidity Icon93%
Wind Icon16km/h
Tue. 3, Mar.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-9°
Humidity Icon85%
Wind Icon14km/h
Wed. 4, Mar.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon1°/-9°
Humidity Icon84%
Wind Icon15km/h
Thu. 5, Mar.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-9°
Humidity Icon85%
Wind Icon13km/h
Fri. 6, Mar.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon1°/-8°
Humidity Icon84%
Wind Icon16km/h
Sat. 7, Mar.
patchy moderate snowPatchy moderate snow
Temperature Icon1°/-11°
Humidity Icon83%
Wind Icon14km/h
Sun. 8, Mar.
patchy moderate snowPatchy moderate snow
Temperature Icon2°/-10°
Humidity Icon83%
Wind Icon14km/h
Mon. 9, Mar.
moderate snowModerate snow
Temperature Icon1°/-10°
Humidity Icon83%
Wind Icon13km/h
Tue. 10, Mar.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon3°/-9°
Humidity Icon86%
Wind Icon15km/h
Wed. 11, Mar.
patchy moderate snowPatchy moderate snow
Temperature Icon3°/-8°
Humidity Icon80%
Wind Icon15km/h
Thu. 12, Mar.
light freezing rainLight freezing rain
Temperature Icon4°/-8°
Humidity Icon82%
Wind Icon13km/h
Fri. 13, Mar.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon4°/-7°
Humidity Icon82%
Wind Icon15km/h
Sat. 14, Mar.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon3°/-5°
Humidity Icon84%
Wind Icon13km/h
Sun. 15, Mar.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon3°/-6°
Humidity Icon86%
Wind Icon13km/h
Mon. 16, Mar.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon4°/-6°
Humidity Icon84%
Wind Icon14km/h
Tue. 17, Mar.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon3°/-7°
Humidity Icon83%
Wind Icon14km/h
Wed. 18, Mar.
patchy moderate snowPatchy moderate snow
Temperature Icon2°/-8°
Humidity Icon81%
Wind Icon11km/h
Thu. 19, Mar.
moderate snowModerate snow
Temperature Icon3°/-8°
Humidity Icon79%
Wind Icon11km/h
Fri. 20, Mar.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon3°/-6°
Humidity Icon79%
Wind Icon13km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onFri. 13, Mar.

3.9°C

Low will be onSat. 28, Feb.

-23.7°C

HumidityHumidity

High will be onFri. 27, Feb.

96%

Low will be onSun. 22, Feb.

66%

Wind SpeedWind Speed

High will be onSat. 28, Feb.

28.8km/h

Low will be onSun. 22, Feb.

10.1km/h

PrecipitationPrecipitation

High will be onWed. 18, Feb.

10.2mm

Low will be onTue. 24, Feb.

0.4mm

Ultraviolet IndexUV

High will be onWed. 25, Feb.

2

Low will be onMon. 23, Feb.

1

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