Cheyenne, Wyoming

Last updated: 10:11 AM CDT  ·  Refresh
8°C
Feels like 6°
Clear
▲ 17°  /  ▼ 1°
Wind
7 mph NW
Humidity
37%
Dew Point
-5°
Pressure
24.13 inHg
Visibility
10 mi
UV Index
4.7
Cloud Cover
9%
Sunrise
6:36 AM
Sunset
4:47 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Cheyenne is currently clear at 8°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:36AM · Sunset: 4:47PM.

Alerts

No active alerts for this location.
36 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
8°
0%
10 AM
11°
0%
11 AM
12°
0%
12 PM
16°
0%
1 PM
16°
0%
2 PM
17°
0%
3 PM
16°
0%
4 PM
14°
0%
5 PM
11°
0%
6 PM
9°
0%
7 PM
8°
0%
8 PM
6°
0%
9 PM
5°
0%
10 PM
4°
0%
11 PM
3°
0%
12 AM
3°
0%
1 AM
3°
0%
2 AM
3°
0%
3 AM
3°
0%
4 AM
1°
0%
5 AM
1°
0%
6 AM
1°
0%
7 AM
2°
0%
8 AM
4°
0%
7-Day Forecast
Today
17° 1°
Partly Cloudy.
Sun
19° 1°
Clear.
Mon
22° 6°
Clear.
Tue
18° 4°
Clear.
Wed
16° 4°
Clear.
Thu
17° 4°
Clear.
Fri
17° 3°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 8° Clear 0% 7 mph NW 37%
10 AM 11° Partly Cloudy 0% 12 mph NW 29%
11 AM 12° Partly Cloudy 0% 12 mph NNW 25%
12 PM 16° Partly Cloudy 0% 11 mph NNW 24%
1 PM 16° Partly Cloudy 0% 11 mph NNW 24%
2 PM 17° Partly Cloudy 0% 10 mph NNW 25%
3 PM 16° Partly Cloudy 0% 9 mph N 27%
4 PM 14° Overcast 0% 7 mph N 31%
5 PM 11° Overcast 0% 6 mph N 39%
6 PM 9° Overcast 0% 6 mph NNW 46%
7 PM 8° Mostly Cloudy 0% 6 mph NNW 51%
8 PM 6° Partly Cloudy 0% 6 mph NW 54%
9 PM 5° Mostly Clear 0% 6 mph NW 58%
10 PM 4° Clear 0% 6 mph WNW 60%
11 PM 3° Clear 0% 6 mph WNW 62%
12 AM 3° Clear 0% 5 mph WNW 65%
1 AM 3° Clear 0% 5 mph WNW 67%
2 AM 3° Clear 0% 5 mph W 68%
3 AM 3° Clear 0% 5 mph W 66%
4 AM 1° Clear 0% 6 mph W 66%
5 AM 1° Clear 0% 6 mph W 65%
6 AM 1° Clear 0% 6 mph W 64%
7 AM 2° Clear 0% 6 mph W 62%
8 AM 4° Clear 0% 6 mph WSW 56%
15-Day Forecast
Today
11/7
Partly Cloudy
0%
1°
17°
Sun
11/8
Clear
0%
1°
19°
Mon
11/9
Clear
3%
6°
22°
Tue
11/10
Clear
15%
4°
18°
Wed
11/11
Clear
11%
4°
16°
Thu
11/12
Clear
3%
4°
17°
Fri
11/13
Clear
3%
3°
17°
Sat
11/14
Clear
3%
5°
18°
Sun
11/15
Clear
3%
4°
17°
Mon
11/16
Drizzle
79%
3°
16°
Tue
11/17
Drizzle
79%
2°
13°
Wed
11/18
Drizzle
62%
1°
11°
Thu
11/19
Clear
51%
0°
10°
Fri
11/20
Drizzle
66%
-1°
9°
Sat
11/21
Clear
64%
-1°
9°
36
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
14 AQI 2.5 µg/m³
O3
Ground-level ozone
Dominant
36 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sun 36 Good 36 14
Mon 36 Good 36 21
Tue 35 Good 35 12
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Sat Nov 7, 14:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE26 J/kg
MUCAPE0 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index10.8
Kinematics
0–6 km Shear27 kt
0–1 km Shear8 kt
Eff. Shear—
0–1 km SRH62
0–3 km SRH82
Eff. SRH—
Storm Motion53° @ 14 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index—
Thermo & Levels
PWAT0.17 in
0–3 km LR4.4 °C/km
700–500 LR6.0 °C/km
Total Totals—
LCL675 hPa
LFC817 hPa
EL817 hPa
Freezing Lvl5,922 ft