Cheyenne County, Nebraska, United States

Last updated: 6:29 PM CDT  ·  Refresh
22°C
Feels like 21°
Mostly Cloudy
▲ 25°  /  ▼ 13°
Wind
10 mph SSW
Humidity
67%
Dew Point
14°
Pressure
25.76 inHg
Visibility
10 mi
UV Index
2.3
Cloud Cover
82%
Sunrise
6:39 AM
Sunset
6:47 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Cheyenne County is currently mostly cloudy at 22°C. Precipitation is likely — peak probability 61% around 5 PM. Atmospheric instability is elevated (CAPE up to 747 J/kg) — isolated convective development possible. Sunrise: 6:39AM · Sunset: 6:47PM.

Alerts

No active alerts for this location.
39 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
22°
60%
6 PM
21°
52%
7 PM
20°
53%
8 PM
19°
47%
9 PM
17°
39%
10 PM
17°
49%
11 PM
16°
43%
12 AM
16°
32%
1 AM
16°
34%
2 AM
16°
21%
3 AM
15°
17%
4 AM
15°
15%
5 AM
14°
9%
6 AM
13°
19%
7 AM
14°
23%
8 AM
16°
28%
9 AM
16°
35%
10 AM
17°
35%
11 AM
17°
50%
12 PM
17°
50%
1 PM
20°
52%
2 PM
20°
41%
3 PM
20°
46%
4 PM
19°
59%
7-Day Forecast
Today
25° 13°
Mostly Cloudy with a 60% chance of rain.
Thu
23° 13°
Mostly Cloudy with a 60% chance of rain.
Fri
24° 13°
Mostly Cloudy.
Sat
32° 12°
Clear with a 29% chance of rain.
Sun
32° 14°
Partly Cloudy with a 27% chance of rain.
Mon
28° 13°
Rain, 69% chance.
Tue
22° 11°
Drizzle, 56% chance.
TimeTempConditionsPrecipWindHumidity
Now 22° Mostly Cloudy 60% 10 mph SSW 67%
6 PM 21° Overcast 52% 8 mph SSW 70%
7 PM 20° Overcast 53% 6 mph S 71%
8 PM 19° Overcast 47% 7 mph S 73%
9 PM 17° Overcast 39% 8 mph S 75%
10 PM 17° Rain 49% 7 mph S 81%
11 PM 16° Thunderstorm 43% 8 mph SSW 83%
12 AM 16° Rain 32% 8 mph SSW 85%
1 AM 16° Overcast 34% 6 mph S 88%
2 AM 16° Overcast 21% 5 mph SSW 92%
3 AM 15° Overcast 17% 5 mph SSW 93%
4 AM 15° Overcast 15% 5 mph SSW 93%
5 AM 14° Mostly Cloudy 9% 4 mph SSW 92%
6 AM 13° Mostly Cloudy 19% 5 mph SSW 88%
7 AM 14° Mostly Cloudy 23% 4 mph SSW 83%
8 AM 16° Mostly Cloudy 28% 5 mph W 77%
9 AM 16° Mostly Cloudy 35% 6 mph NNW 73%
10 AM 17° Mostly Cloudy 35% 6 mph NE 71%
11 AM 17° Overcast 50% 6 mph NE 70%
12 PM 17° Overcast 50% 8 mph NE 79%
1 PM 20° Overcast 52% 8 mph ENE 78%
2 PM 20° Overcast 41% 7 mph ENE 76%
3 PM 20° Overcast 46% 7 mph ENE 76%
4 PM 19° Mostly Cloudy 59% 7 mph ENE 78%
15-Day Forecast
Today
9/23
Mostly Cloudy
60%
13°
25°
Thu
9/24
Mostly Cloudy
60%
13°
23°
Fri
9/25
Mostly Cloudy
19%
13°
24°
Sat
9/26
Clear
29%
12°
32°
Sun
9/27
Partly Cloudy
27%
14°
32°
Mon
9/28
Rain
69%
13°
28°
Tue
9/29
Drizzle
56%
11°
22°
Wed
9/30
Rain
75%
7°
23°
Thu
10/1
Clear
18%
7°
24°
Fri
10/2
Drizzle
59%
10°
24°
Sat
10/3
Snow
60%
2°
19°
Sun
10/4
Drizzle
60%
9°
22°
Mon
10/5
Drizzle
60%
9°
23°
Tue
10/6
Clear
60%
11°
26°
Wed
10/7
Drizzle
60%
11°
26°
39
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
13 AQI 2.5 µg/m³
O3
Ground-level ozone
Dominant
39 AQI 43 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 39 Good 39 13
Fri 41 Good 41 8
Sat 39 Good 39 10
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 Wed Sep 23, 22:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE558 J/kg
MLCAPE408 J/kg
MUCAPE558 J/kg
SBCIN-103 J/kg
MLCIN-47 J/kg
Lifted Index-2.9
Kinematics
0–6 km Shear21 kt
0–1 km Shear4 kt
Eff. Shear14 kt
0–1 km SRH-9
0–3 km SRH16
Eff. SRH16
Storm Motion264° @ 20 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index39.8
Thermo & Levels
PWAT1.29 in
0–3 km LR7.2 °C/km
700–500 LR6.2 °C/km
Total Totals51.0
LCL780 hPa
LFC710 hPa
EL234 hPa
Freezing Lvl10,020 ft