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Active Weather Warnings

Weather in Cheyenne, Wyoming

01:25 AM
Now
Cloudy Night
63° F
Feels Like 61°
Precipitation 22 %
Wind 8 mph
Humidity 87 %
Today
Sunny with a Chance of Thunderstorms
Day 79°
Night 59°
Precipitation 87 %
Wind 9 mph
UV Index (0 - 11+) 5

Cheyenne Weather Forecast Updated

12 minutes ago
Last updated on

Air Quality in Cheyenne

NOW
28 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.76 µg/m³
PM10 4.03 µg/m³
O3 0.030 ppm
NO2 2.3 ppb
SO2 0.1 ppb
CO 0.09 ppm
NH3 1.21 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)
PM2.53.76 µg/m³
PM104.03 µg/m³
O358.35 µg/m³
NO24.25 µg/m³
SO20.38 µg/m³
CO104.12 µg/m³
NH31.21 µg/m³
NO0 µg/m³

Weather Alerts and Warnings for Cheyenne

Severe Future Possible

Flood Watch

Flood Watch issued July 22 at 11:58PM MDT until July 24 at 12:00AM MDT by NWS Cheyenne WY
Jul 22, 11:58 PM Jul 24, 12:00 AM
WHAT: Flooding caused by localized excessive thunderstorm
rainfall continues to be possible.

WHERE: Southeast Wyoming and the western Nebraska panhandle.

WHEN: Through Thursday evening.

IMPACTS: Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.

ADDITIONAL DETAILS:
- Localized torrential rainfall in scattered thunderstorm
activity combined with the potential for training
thunderstorms continues to have the potential to produce
flooding.
- http://www.weather.gov/safety/flood
+ Read More
Monitor later forecasts and be alert for possible Flash Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
Updated: Jul 23, 1:12 AM Source: NWS Alert