Today | Weather | Wednesday, May 20, 2026

Weather in Pocatello, Idaho

03:52 PM
Now
Cloudy Weather
70° F
Feels Like 70°
Precipitation 0 %
Wind 15 mph
UV Index (0 - 11+) 5
Humidity 20 %
Today
Cloudy Weather
Day 70°
Night 43°
Precipitation 6 %
Wind 12 mph
UV Index (0 - 11+) 10

Warning: High UV Index Today: 10

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Pocatello Weather Forecast Updated

21 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (May 20, 2025)

Day

64°

Night

45°

Air Quality in Pocatello

NOW
44 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.78 µg/m³
PM10 2.91 µg/m³
O3 0.047 ppm
NO2 0.1 ppb
SO2 0 ppb
CO 0.08 ppm
NH3 2.31 µg/m³
NO 0.05 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.50.78 µg/m³
PM102.91 µg/m³
O393.06 µg/m³
NO20.21 µg/m³
SO20.02 µg/m³
CO95.37 µg/m³
NH32.31 µg/m³
NO0.05 µg/m³