Today | Weather | Friday, January 16, 2026
Active Weather Warnings

Weather in Cheyenne, Wyoming

02:52 AM
Now
Snowy Weather
19° F
Feels Like -6°
Precipitation 48 %
Wind 29 mph
Humidity 57 %
Today
Windy Weather
Day 27°
Night 10°
Precipitation 1 %
Wind 35 mph
UV Index (0 - 11+) 2

Warning: Strong Winds Today: 35 mph

Cheyenne Weather Forecast Updated

31 minutes ago
Last updated on

Air Quality in Cheyenne

NOW
37 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.92 µg/m³
PM10 1.32 µg/m³
O3 0.039 ppm
NO2 0.5 ppb
SO2 0.5 ppb
CO 0.08 ppm
NH3 0.07 µg/m³
NO 0 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)
PM2.50.92 µg/m³
PM101.32 µg/m³
O377.49 µg/m³
NO20.86 µg/m³
SO21.35 µg/m³
CO94.07 µg/m³
NH30.07 µg/m³
NO0 µg/m³

Weather Alerts and Warnings for Cheyenne

Severe Future Possible

High Wind Watch

High Wind Watch issued January 14 at 12:35PM MST until January 16 at 5:00PM MST by NWS Cheyenne WY
Jan 15, 11:00 PM Jan 16, 5:00 PM
WHAT: Northwest winds 30 to 45 mph with gusts up to 70 mph
possible.

WHERE: Portions of panhandle Nebraska and southeast Wyoming.

WHEN: From Thursday evening through Friday afternoon.

IMPACTS: Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.

ADDITIONAL DETAILS: Strong gusty winds combined with low humidity
and very dry fuels will produce conditions favorable for the rapid
spread of grassland wildfires.
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Fasten loose objects or shelter objects in a safe location prior to the onset of winds. Avoid outdoor burning and any other activities that could spark a wildfire.
Updated: Jan 15, 1:01 AM Source: NWS Alert