Knox County, Nebraska, United States

Last updated: 10:57 AM CDT  ·  Refresh
23°C
Feels like 23°
Clear
▲ 30°  /  ▼ 16°
Wind
10 mph SSW
Humidity
72%
Dew Point
19°
Pressure
28.40 inHg
Visibility
10 mi
UV Index
7.8
Cloud Cover
6%
Sunrise
6:43 AM
Sunset
8:25 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Knox County is currently clear at 23°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2246 J/kg) — isolated convective development possible. Sunrise: 6:43AM · Sunset: 8:25PM.

Alerts

No active alerts for this location.
35 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
3%
11 AM
24°
21%
12 PM
26°
14%
1 PM
27°
25%
2 PM
28°
26%
3 PM
29°
26%
4 PM
28°
34%
5 PM
28°
26%
6 PM
27°
16%
7 PM
26°
16%
8 PM
24°
16%
9 PM
23°
17%
10 PM
22°
8%
11 PM
22°
8%
12 AM
21°
8%
1 AM
20°
8%
2 AM
20°
9%
3 AM
20°
5%
4 AM
20°
5%
5 AM
17°
5%
6 AM
17°
5%
7 AM
19°
11%
8 AM
20°
12%
9 AM
23°
12%
7-Day Forecast
Today
30° 16°
Clear with a 34% chance of rain.
Fri
34° 17°
Mostly Clear with a 29% chance of rain.
Sat
31° 18°
Clear.
Sun
27° 15°
Mostly Cloudy with a 77% chance of rain.
Mon
32° 13°
Clear with a 68% chance of rain.
Tue
33° 18°
Rain, 30% chance.
Wed
32° 16°
Clear with a 30% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 23° Clear 3% 10 mph SSW 72%
11 AM 24° Mostly Clear 21% 11 mph SSW 68%
12 PM 26° Clear 14% 12 mph SSW 63%
1 PM 27° Clear 25% 12 mph SW 59%
2 PM 28° Clear 26% 12 mph SW 56%
3 PM 29° Clear 26% 12 mph SSW 53%
4 PM 28° Clear 34% 12 mph SSW 56%
5 PM 28° Clear 26% 11 mph SSW 61%
6 PM 27° Clear 16% 11 mph S 66%
7 PM 26° Clear 16% 10 mph S 72%
8 PM 24° Clear 16% 9 mph S 77%
9 PM 23° Clear 17% 9 mph S 82%
10 PM 22° Clear 8% 8 mph SSW 83%
11 PM 22° Clear 8% 7 mph SSW 84%
12 AM 21° Clear 8% 7 mph SSW 85%
1 AM 20° Clear 8% 6 mph SW 86%
2 AM 20° Mostly Clear 9% 6 mph SW 86%
3 AM 20° Mostly Clear 5% 5 mph SW 87%
4 AM 20° Mostly Clear 5% 5 mph SW 86%
5 AM 17° Clear 5% 5 mph SW 85%
6 AM 17° Clear 5% 4 mph SW 84%
7 AM 19° Clear 11% 3 mph WSW 78%
8 AM 20° Clear 12% 3 mph WSW 72%
9 AM 23° Clear 12% 3 mph WNW 66%
15-Day Forecast
Today
8/20
Clear
34%
16°
30°
Fri
8/21
Mostly Clear
29%
17°
34°
Sat
8/22
Clear
11%
18°
31°
Sun
8/23
Mostly Cloudy
77%
15°
27°
Mon
8/24
Clear
68%
13°
32°
Tue
8/25
Rain
30%
18°
33°
Wed
8/26
Clear
30%
16°
32°
Thu
8/27
Drizzle
68%
14°
32°
Fri
8/28
Clear
44%
18°
35°
Sat
8/29
Clear
21%
21°
36°
Sun
8/30
Drizzle
60%
20°
34°
Mon
8/31
Drizzle
60%
19°
33°
Tue
9/1
Clear
60%
19°
33°
Wed
9/2
Clear
60%
19°
33°
Thu
9/3
Drizzle
60%
18°
32°
35
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
14 AQI 2.7 µg/m³
O3
Ground-level ozone
Dominant
35 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Fri 35 Good 35 14
Sat 36 Good 36 22
Sun 37 Good 37 31
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 Thu Aug 20, 14:00'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
SBCAPE743 J/kg
MLCAPE72 J/kg
MUCAPE743 J/kg
SBCIN-266 J/kg
MLCIN0 J/kg
Lifted Index-1.9
Kinematics
0–6 km Shear34 kt
0–1 km Shear7 kt
Eff. Shear—
0–1 km SRH15
0–3 km SRH62
Eff. SRH—
Storm Motion355° @ 18 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index22.1
Thermo & Levels
PWAT1.03 in
0–3 km LR6.0 °C/km
700–500 LR5.9 °C/km
Total Totals38.8
LCL901 hPa
LFC706 hPa
EL232 hPa
Freezing Lvl11,768 ft