Today | Weather | Thursday, July 2, 2026

Weather in Gillette, Wyoming

07:01 PM
Now
Cloudy Weather
84° F
Feels Like 82°
Precipitation 37 %
Wind 12 mph
UV Index (0 - 11+) 1
Humidity 19 %
Today
Sunny with a Chance of Thunderstorms
Day 93°
Night 54°
Precipitation 70 %
Wind 9 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.

Gillette Weather Forecast Updated

Air Quality in Gillette

NOW
110 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 8.03 µg/m³
PM10 11.62 µg/m³
O3 0.073 ppm
NO2 0.5 ppb
SO2 0.1 ppb
CO 0.09 ppm
NH3 2.03 µg/m³
NO 0.06 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:

Members of sensitive groups may experience health effects. The general public is not likely to be affected.

Show raw pollutant concentrations (µg/m³)
PM2.58.03 µg/m³
PM1011.62 µg/m³
O3143.27 µg/m³
NO20.97 µg/m³
SO20.38 µg/m³
CO101.41 µg/m³
NH32.03 µg/m³
NO0.06 µg/m³