Hourly Weather | Today Wednesday, February 25, 2026
Active Weather Warnings
Cheyenne, Wyoming
11 PM
Cloudy Night
43°
Feels Like 27°
20
Humidity: 46%
UV Index: 0
Wind: 28 mph

Hourly Air Quality Forecast - AQI (US EPA)

11 PM
27 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.5 µg/m³
  • O3: 0.029 ppm
  • NO2: 0.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

Weather Alerts and Warnings for Cheyenne

Severe Expected Likely

High Wind Warning

High Wind Warning issued February 25 at 8:40PM MST until February 26 at 8:00AM MST by NWS Cheyenne WY
Feb 25, 8:40 PM Feb 26, 8:00 AM
WHAT: West winds 35 to 45 mph with gusts up to 70 mph expected.

WHERE: Central Laramie County.

WHEN: Until 8 AM MST Thursday.

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

ADDITIONAL DETAILS: A lull in winds is expected Wednesday evening.
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A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 MPH or gusts of 58 MPH or stronger can lead to property damage.
Updated: Feb 25, 10:49 PM Source: NWS Alert