Cheyenne County, Colorado, United States

Last updated: 4:26 PM CDT  ·  Refresh
27°C
Feels like 27°
Partly Cloudy
▲ 28°  /  ▼ 11°
Wind
10 mph SSE
Humidity
32%
Dew Point
9°
Pressure
25.66 inHg
Visibility
10 mi
UV Index
6.1
Cloud Cover
50%
Sunrise
6:41 AM
Sunset
6:39 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Cheyenne County is currently partly cloudy at 27°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 648 J/kg) — isolated convective development possible. Sunrise: 6:41AM · Sunset: 6:39PM.

Alerts

No active alerts for this location.
41 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
3%
4 PM
27°
3%
5 PM
24°
3%
6 PM
22°
3%
7 PM
21°
3%
8 PM
19°
3%
9 PM
18°
4%
10 PM
17°
4%
11 PM
17°
4%
12 AM
17°
5%
1 AM
16°
5%
2 AM
15°
5%
3 AM
15°
3%
4 AM
14°
3%
5 AM
13°
3%
6 AM
12°
3%
7 AM
12°
3%
8 AM
13°
14%
9 AM
15°
14%
10 AM
18°
13%
11 AM
18°
3%
12 PM
19°
3%
1 PM
21°
10%
2 PM
21°
25%
7-Day Forecast
Today
28° 11°
Mostly Cloudy.
Mon
25° 12°
Overcast with a 61% chance of rain.
Tue
22° 12°
Rain, 90% chance.
Wed
17° 11°
Rain, 90% chance.
Thu
17° 8°
Drizzle, 82% chance.
Fri
18° 10°
Clear.
Sat
22° 8°
Clear with a 50% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 27° Partly Cloudy 3% 10 mph SSE 32%
4 PM 27° Mostly Cloudy 3% 12 mph SE 36%
5 PM 24° Mostly Cloudy 3% 13 mph SE 41%
6 PM 22° Mostly Cloudy 3% 13 mph ESE 47%
7 PM 21° Overcast 3% 14 mph ESE 54%
8 PM 19° Overcast 3% 14 mph ESE 59%
9 PM 18° Overcast 4% 15 mph ESE 63%
10 PM 17° Overcast 4% 14 mph SE 67%
11 PM 17° Overcast 4% 14 mph SE 70%
12 AM 17° Overcast 5% 14 mph SE 73%
1 AM 16° Overcast 5% 14 mph SE 76%
2 AM 15° Overcast 5% 13 mph SSE 80%
3 AM 15° Overcast 3% 13 mph SSE 83%
4 AM 14° Overcast 3% 13 mph SSE 86%
5 AM 13° Overcast 3% 12 mph SSE 90%
6 AM 12° Overcast 3% 11 mph SSE 91%
7 AM 12° Overcast 3% 12 mph SSE 89%
8 AM 13° Overcast 14% 12 mph SSE 87%
9 AM 15° Overcast 14% 11 mph SSE 93%
10 AM 18° Overcast 13% 13 mph SSE 74%
11 AM 18° Overcast 3% 14 mph S 68%
12 PM 19° Overcast 3% 14 mph S 64%
1 PM 21° Overcast 10% 14 mph S 63%
2 PM 21° Overcast 25% 14 mph SSE 62%
15-Day Forecast
Today
9/27
Mostly Cloudy
4%
11°
28°
Mon
9/28
Overcast
61%
12°
25°
Tue
9/29
Rain
90%
12°
22°
Wed
9/30
Rain
90%
11°
17°
Thu
10/1
Drizzle
82%
8°
17°
Fri
10/2
Clear
8%
10°
18°
Sat
10/3
Clear
50%
8°
22°
Sun
10/4
Drizzle
50%
10°
19°
Mon
10/5
Clear
25%
9°
23°
Tue
10/6
Clear
3%
12°
27°
Wed
10/7
Drizzle
60%
13°
25°
Thu
10/8
Clear
60%
12°
23°
Fri
10/9
Clear
25%
11°
21°
Sat
10/10
Clear
3%
10°
21°
Sun
10/11
Clear
25%
11°
22°
41
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
11 AQI 1.9 µg/m³
O3
Ground-level ozone
Dominant
41 AQI 44 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 41 Good 41 11
Tue 38 Good 38 21
Wed 37 Good 37 15
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 Sun Sep 27, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE300 J/kg
MLCAPE92 J/kg
MUCAPE300 J/kg
SBCIN-40 J/kg
MLCIN-54 J/kg
Lifted Index-1.2
Kinematics
0–6 km Shear20 kt
0–1 km Shear4 kt
Eff. Shear16 kt
0–1 km SRH-4
0–3 km SRH27
Eff. SRH27
Storm Motion1° @ 11 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index29.0
Thermo & Levels
PWAT0.69 in
0–3 km LR9.1 °C/km
700–500 LR7.0 °C/km
Total Totals50.7
LCL664 hPa
LFC639 hPa
EL315 hPa
Freezing Lvl9,711 ft