Severe Thunderstorm Watch 1:00 AM

Custer County, Nebraska, United States

Last updated: 12:27 AM CDT  ·  Refresh
23°C
Feels like 24°
Clear
▲ 34°  /  ▼ 17°
Wind
4 mph S
Humidity
74%
Dew Point
19°
Pressure
27.20 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
7%
Sunrise
7:05 AM
Sunset
8:09 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Custer County is currently clear at 23°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1694 J/kg) — isolated convective development possible. Sunrise: 7:05AM · Sunset: 8:09PM.

Alerts

Severe Thunderstorm Watch
Expires 1:00 AM
40 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
13%
1 AM
22°
11%
2 AM
21°
11%
3 AM
20°
3%
4 AM
19°
3%
5 AM
19°
3%
6 AM
17°
3%
7 AM
18°
3%
8 AM
20°
3%
9 AM
23°
3%
10 AM
26°
5%
11 AM
28°
5%
12 PM
29°
5%
1 PM
31°
10%
2 PM
33°
10%
3 PM
33°
19%
4 PM
33°
20%
5 PM
33°
20%
6 PM
33°
24%
7 PM
31°
33%
8 PM
29°
34%
9 PM
28°
34%
10 PM
26°
30%
11 PM
25°
20%
7-Day Forecast
Today
34° 17°
Clear with a 24% chance of rain.
Thu
36° 17°
Clear with a 23% chance of rain.
Fri
37° 17°
Drizzle, 54% chance.
Sat
38° 20°
Partly Cloudy with a 59% chance of rain.
Sun
37° 17°
Rain, 64% chance.
Mon
38° 17°
Drizzle, 64% chance.
Tue
32° 19°
Clear with a 52% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 23° Clear 13% 4 mph S 74%
1 AM 22° Clear 11% 5 mph SSE 73%
2 AM 21° Clear 11% 4 mph SE 75%
3 AM 20° Clear 3% 4 mph SSE 76%
4 AM 19° Clear 3% 5 mph S 76%
5 AM 19° Clear 3% 4 mph SSW 77%
6 AM 17° Clear 3% 4 mph SSW 77%
7 AM 18° Clear 3% 6 mph SW 74%
8 AM 20° Clear 3% 7 mph SW 66%
9 AM 23° Clear 3% 8 mph SW 58%
10 AM 26° Clear 5% 8 mph SW 52%
11 AM 28° Clear 5% 8 mph SW 46%
12 PM 29° Clear 5% 8 mph SSW 39%
1 PM 31° Clear 10% 8 mph SSW 35%
2 PM 33° Clear 10% 8 mph SSW 34%
3 PM 33° Clear 19% 9 mph S 32%
4 PM 33° Clear 20% 9 mph S 32%
5 PM 33° Clear 20% 9 mph SSW 34%
6 PM 33° Clear 24% 8 mph SSW 36%
7 PM 31° Clear 33% 6 mph SSW 39%
8 PM 29° Clear 34% 5 mph SSW 44%
9 PM 28° Clear 34% 5 mph S 48%
10 PM 26° Clear 30% 5 mph SSE 51%
11 PM 25° Clear 20% 5 mph SSE 53%
15-Day Forecast
Today
9/2
Clear
24%
17°
34°
Thu
9/3
Clear
23%
17°
36°
Fri
9/4
Drizzle
54%
17°
37°
Sat
9/5
Partly Cloudy
59%
20°
38°
Sun
9/6
Rain
64%
17°
37°
Mon
9/7
Drizzle
64%
17°
38°
Tue
9/8
Clear
52%
19°
32°
Wed
9/9
Drizzle
44%
14°
28°
Thu
9/10
Rain
68%
12°
31°
Fri
9/11
Clear
44%
16°
32°
Sat
9/12
Drizzle
60%
17°
30°
Sun
9/13
Drizzle
60%
16°
29°
Mon
9/14
Clear
60%
16°
29°
Tue
9/15
Drizzle
60%
16°
30°
Wed
9/16
Clear
60%
15°
29°
40
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
29 AQI 5.2 µg/m³
O3
Ground-level ozone
Dominant
40 AQI 44 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 40 Good 40 29
Thu 42 Good 42 24
Fri 42 Good 42 29
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 2, 04:00'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
SBCAPE1308 J/kg
MLCAPE1284 J/kg
MUCAPE1800 J/kg
SBCIN-334 J/kg
MLCIN-213 J/kg
Lifted Index-3.3
Kinematics
0–6 km Shear19 kt
0–1 km Shear27 kt
Eff. Shear18 kt
0–1 km SRH140
0–3 km SRH182
Eff. SRH176
Storm Motion265° @ 20 kt
0–1 km EHI1.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index41.2
Thermo & Levels
PWAT1.48 in
0–3 km LR5.7 °C/km
700–500 LR6.5 °C/km
Total Totals50.8
LCL874 hPa
LFC685 hPa
EL211 hPa
Freezing Lvl12,608 ft