Cheyenne County, Nebraska, United States

Last updated: 5:36 PM CDT  ·  Refresh
23°C
Feels like 22°
Mostly Cloudy
▲ 25°  /  ▼ 13°
Wind
12 mph SSW
Humidity
68%
Dew Point
14°
Pressure
25.75 inHg
Visibility
10 mi
UV Index
3.6
Cloud Cover
76%
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 23°C. Precipitation is likely — peak probability 67% around 7 PM. Atmospheric instability is elevated (CAPE up to 635 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
23°
31%
5 PM
22°
45%
6 PM
21°
58%
7 PM
21°
67%
8 PM
19°
52%
9 PM
17°
53%
10 PM
17°
53%
11 PM
16°
46%
12 AM
16°
33%
1 AM
16°
23%
2 AM
15°
23%
3 AM
15°
19%
4 AM
14°
11%
5 AM
13°
11%
6 AM
13°
21%
7 AM
13°
30%
8 AM
14°
30%
9 AM
14°
38%
10 AM
15°
55%
11 AM
16°
55%
12 PM
16°
55%
1 PM
18°
43%
2 PM
19°
43%
3 PM
19°
49%
7-Day Forecast
Today
25° 13°
Mostly Cloudy with a 67% chance of rain.
Thu
23° 13°
Mostly Cloudy with a 67% chance of rain.
Fri
24° 13°
Partly Cloudy with a 35% chance of rain.
Sat
32° 12°
Clear with a 38% chance of rain.
Sun
32° 17°
Clear.
Mon
28° 13°
Rain, 81% chance.
Tue
23° 8°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 23° Mostly Cloudy 31% 12 mph SSW 68%
5 PM 22° Overcast 45% 10 mph SSW 71%
6 PM 21° Overcast 58% 9 mph SSW 74%
7 PM 21° Heavy Rain 67% 7 mph SSW 75%
8 PM 19° Thunderstorm 52% 8 mph S 76%
9 PM 17° Rain 53% 9 mph SSE 77%
10 PM 17° Overcast 53% 7 mph S 84%
11 PM 16° Overcast 46% 8 mph S 86%
12 AM 16° Rain 33% 7 mph SSW 88%
1 AM 16° Overcast 23% 5 mph SSW 91%
2 AM 15° Overcast 23% 4 mph SSW 94%
3 AM 15° Overcast 19% 4 mph SSW 95%
4 AM 14° Overcast 11% 4 mph SSW 95%
5 AM 13° Mostly Cloudy 11% 3 mph SSW 95%
6 AM 13° Mostly Cloudy 21% 3 mph SW 91%
7 AM 13° Mostly Cloudy 30% 2 mph W 86%
8 AM 14° Partly Cloudy 30% 4 mph N 80%
9 AM 14° Mostly Cloudy 38% 5 mph NNE 77%
10 AM 15° Mostly Cloudy 55% 6 mph NE 78%
11 AM 16° Overcast 55% 7 mph ENE 79%
12 PM 16° Overcast 55% 7 mph ENE 79%
1 PM 18° Overcast 43% 7 mph ENE 78%
2 PM 19° Overcast 43% 7 mph E 76%
3 PM 19° Overcast 49% 7 mph E 76%
15-Day Forecast
Today
9/23
Mostly Cloudy
67%
13°
25°
Thu
9/24
Mostly Cloudy
67%
13°
23°
Fri
9/25
Partly Cloudy
35%
13°
24°
Sat
9/26
Clear
38%
12°
32°
Sun
9/27
Clear
19%
17°
32°
Mon
9/28
Rain
81%
13°
28°
Tue
9/29
Drizzle
60%
8°
23°
Wed
9/30
Rain
81%
4°
23°
Thu
10/1
Clear
25%
11°
24°
Fri
10/2
Drizzle
60%
12°
27°
Sat
10/3
Drizzle
60%
9°
23°
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, 21:00'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
SBCAPE580 J/kg
MLCAPE392 J/kg
MUCAPE580 J/kg
SBCIN-55 J/kg
MLCIN-35 J/kg
Lifted Index-3.0
Kinematics
0–6 km Shear19 kt
0–1 km Shear2 kt
Eff. Shear12 kt
0–1 km SRH9
0–3 km SRH26
Eff. SRH26
Storm Motion254° @ 21 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index40.2
Thermo & Levels
PWAT1.29 in
0–3 km LR7.6 °C/km
700–500 LR6.2 °C/km
Total Totals51.7
LCL754 hPa
LFC710 hPa
EL223 hPa
Freezing Lvl10,125 ft