Custer County, Nebraska, United States

Last updated: 1:48 AM CDT  ·  Refresh
26°C
Feels like 27°
Clear
▲ 37°  /  ▼ 19°
Wind
4 mph W
Humidity
57%
Dew Point
19°
Pressure
27.13 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
4%
Sunrise
6:29 AM
Sunset
9:01 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Custer County is currently clear at 26°C. Precipitation is likely — peak probability 51% around 1 AM. Atmospheric instability is elevated (CAPE up to 2703 J/kg) — isolated convective development possible. Sunrise: 6:29AM · Sunset: 9:01PM.

Alerts

No active alerts for this location.
45 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
8%
2 AM
25°
8%
3 AM
24°
3%
4 AM
24°
3%
5 AM
21°
3%
6 AM
21°
3%
7 AM
22°
7%
8 AM
25°
7%
9 AM
27°
15%
10 AM
29°
15%
11 AM
31°
16%
12 PM
33°
16%
1 PM
34°
18%
2 PM
36°
22%
3 PM
36°
23%
4 PM
35°
23%
5 PM
36°
23%
6 PM
35°
24%
7 PM
34°
24%
8 PM
31°
25%
9 PM
29°
25%
10 PM
28°
35%
11 PM
28°
39%
12 AM
27°
40%
7-Day Forecast
Today
37° 19°
Mostly Cloudy with a 24% chance of rain.
Tue
36° 19°
Partly Cloudy with a 50% chance of rain.
Wed
37° 19°
Partly Cloudy with a 43% chance of rain.
Thu
37° 19°
Rain, 68% chance.
Fri
37° 17°
Clear with a 29% chance of rain.
Sat
38° 17°
Clear.
Sun
39° 19°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 26° Clear 8% 4 mph W 57%
2 AM 25° Mostly Clear 8% 4 mph WNW 56%
3 AM 24° Mostly Clear 3% 4 mph WNW 58%
4 AM 24° Mostly Clear 3% 5 mph NW 61%
5 AM 21° Mostly Clear 3% 6 mph NW 65%
6 AM 21° Partly Cloudy 3% 8 mph NNW 68%
7 AM 22° Mostly Cloudy 7% 7 mph NNW 66%
8 AM 25° Mostly Cloudy 7% 8 mph NNE 59%
9 AM 27° Mostly Cloudy 15% 10 mph NNE 53%
10 AM 29° Mostly Cloudy 15% 12 mph NE 48%
11 AM 31° Partly Cloudy 16% 13 mph NE 43%
12 PM 33° Partly Cloudy 16% 14 mph NE 38%
1 PM 34° Partly Cloudy 18% 14 mph ENE 35%
2 PM 36° Partly Cloudy 22% 14 mph ENE 32%
3 PM 36° Partly Cloudy 23% 14 mph ENE 31%
4 PM 35° Partly Cloudy 23% 12 mph E 31%
5 PM 36° Mostly Cloudy 23% 10 mph E 33%
6 PM 35° Mostly Cloudy 24% 12 mph E 35%
7 PM 34° Mostly Cloudy 24% 11 mph ENE 39%
8 PM 31° Overcast 25% 10 mph ENE 45%
9 PM 29° Overcast 25% 8 mph ENE 49%
10 PM 28° Drizzle 35% 7 mph ENE 52%
11 PM 28° Drizzle 39% 6 mph ENE 55%
12 AM 27° Drizzle 40% 7 mph ENE 58%
15-Day Forecast
Today
7/27
Mostly Cloudy
24%
19°
37°
Tue
7/28
Partly Cloudy
50%
19°
36°
Wed
7/29
Partly Cloudy
43%
19°
37°
Thu
7/30
Rain
68%
19°
37°
Fri
7/31
Clear
29%
17°
37°
Sat
8/1
Clear
8%
17°
38°
Sun
8/2
Clear
17%
19°
39°
Mon
8/3
Drizzle
43%
22°
39°
Tue
8/4
Rain
68%
16°
38°
Wed
8/5
Rain
64%
9°
30°
Thu
8/6
Drizzle
60%
18°
33°
Fri
8/7
Drizzle
60%
19°
34°
Sat
8/8
Drizzle
60%
19°
35°
Sun
8/9
Drizzle
60%
18°
34°
Mon
8/10
Drizzle
60%
20°
37°
45
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
44 AQI 8.1 µg/m³
O3
Ground-level ozone
Dominant
45 AQI 49 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 45 Good 45 44
Tue 43 Good 41 43
Wed 47 Good 47 39
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 Mon Jul 27, 05:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE677 J/kg
MLCAPE2604 J/kg
MUCAPE4236 J/kg
SBCIN-771 J/kg
MLCIN0 J/kg
Lifted Index-2.1
Kinematics
0–6 km Shear18 kt
0–1 km Shear19 kt
Eff. Shear25 kt
0–1 km SRH88
0–3 km SRH10
Eff. SRH-34
Storm Motion258° @ 22 kt
0–1 km EHI0.4
Composite Parameters
Sig. Tornado0.1
STP (eff)0.0
Supercell0.0
K-Index46.1
Thermo & Levels
PWAT1.86 in
0–3 km LR4.6 °C/km
700–500 LR7.3 °C/km
Total Totals55.3
LCL835 hPa
LFC571 hPa
EL207 hPa
Freezing Lvl15,118 ft