Hourly Weather | Today Friday, January 16, 2026
Active Weather Warnings
Cheyenne, Wyoming
5 AM
Cloudy Night
19°
Feels Like -8°
44
Humidity: 39%
Wind: 31 mph
UV Index: 0
6 AM
Cloudy Night
19°
Feels Like -9°
25
Humidity: 37%
Wind: 32 mph
UV Index: 0
7 AM
Cloudy Night
16°
Feels Like -15°
0
Humidity: 44%
Wind: 36 mph
UV Index: 0
8 AM
Cloudy Weather
18°
Feels Like -11°
0
Humidity: 44%
Wind: 36 mph
UV Index: 1
9 AM
Cloudy Weather
19°
Feels Like -8°
0
Humidity: 38%
Wind: 36 mph
UV Index: 1
10 AM
Cloudy Weather
21°
Feels Like -4°
0
Humidity: 31%
Wind: 35 mph
UV Index: 2
11 AM
Cloudy Weather
23°
Feels Like
0
Humidity: 27%
Wind: 35 mph
UV Index: 2
12 PM
Cloudy Weather
25°
Feels Like
0
Humidity: 24%
Wind: 38 mph
UV Index: 2
1 PM
Cloudy Weather
27°
Feels Like
0
Humidity: 22%
Wind: 37 mph
UV Index: 2
2 PM
Cloudy Weather
27°
Feels Like
0
Humidity: 22%
Wind: 39 mph
UV Index: 2
3 PM
Cloudy Weather
25°
Feels Like
0
Humidity: 23%
Wind: 37 mph
UV Index: 1
4 PM
Cloudy Weather
25°
Feels Like -2°
0
Humidity: 24%
Wind: 35 mph
UV Index: 0
5 PM
Cloudy Weather
21°
Feels Like -2°
0
Humidity: 27%
Wind: 29 mph
UV Index: 0
6 PM
Cloudy Weather
19°
Feels Like -2°
0
Humidity: 31%
Wind: 23 mph
UV Index: 0
7 PM
Cloudy Weather
19°
Feels Like -4°
0
Humidity: 35%
Wind: 23 mph
UV Index: 0
8 PM
Cloudy Weather
18°
Feels Like -6°
0
Humidity: 38%
Wind: 21 mph
UV Index: 0
9 PM
Cloudy Weather
18°
Feels Like -6°
0
Humidity: 41%
Wind: 21 mph
UV Index: 0
10 PM
Cloudy Weather
18°
Feels Like -6°
0
Humidity: 45%
Wind: 21 mph
UV Index: 0
11 PM
Cloudy Weather
18°
Feels Like -6°
0
Humidity: 48%
Wind: 22 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

5 AM
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.59 µg/m³
  • PM10: 0.82 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

6 AM
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.54 µg/m³
  • PM10: 0.62 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

7 AM
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.53 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

8 AM
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.5 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

9 AM
37 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.5 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

10 AM
37 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.5 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

11 AM
37 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.5 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

12 PM
37 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.5 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

1 PM
37 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.5 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

2 PM
38 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.57 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

3 PM
38 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.51 µg/m³
  • PM10: 0.61 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

4 PM
37 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.56 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

5 PM
37 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.56 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

6 PM
37 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.6 µg/m³
  • PM10: 0.7 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

7 PM
37 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.78 µg/m³
  • PM10: 0.95 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

8 PM
37 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.99 µg/m³
  • PM10: 1.21 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.6 ppb
  • SO2: 0.5 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

9 PM
37 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.18 µg/m³
  • PM10: 1.46 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.7 ppb
  • SO2: 0.6 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

10 PM
37 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.25 µg/m³
  • PM10: 1.56 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.7 ppb
  • SO2: 0.7 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.17 µg/m³
  • PM10: 1.48 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.8 ppb
  • SO2: 0.6 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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.
+ Read More
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
Severe Expected Likely

High Wind Warning

High Wind Warning issued January 16 at 1:49AM MST until January 16 at 5:00PM MST by NWS Cheyenne WY
Jan 16, 1:49 AM Jan 16, 5:00 PM
WHAT: Northwest winds 35 to 45 mph with gusts up to 70 mph
expected.

WHERE: In Nebraska, Cheyenne County and Kimball County. In
Wyoming, Central Laramie County and East Laramie County.

WHEN: Until 5 PM MST this 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 in areas that did not receive snow
Thursday evening.
+ Read More
Avoid outdoor burning and any other activities that could spark a wildfire.
Updated: Jan 16, 4:02 AM Source: NWS Alert