Lancaster County, Nebraska, United States

Last updated: 10:52 AM CDT  ·  Refresh
22°C
Feels like 24°
Partly Cloudy
▲ 29°  /  ▼ 17°
Wind
3 mph SE
Humidity
75%
Dew Point
19°
Pressure
28.74 inHg
Visibility
3 mi
UV Index
7.4
Cloud Cover
43%
Sunrise
6:41 AM
Sunset
8:17 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lancaster County is currently partly cloudy at 22°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1132 J/kg) — isolated convective development possible. Sunrise: 6:41AM · Sunset: 8:17PM.

Alerts

No active alerts for this location.
41 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
22°
17%
11 AM
22°
15%
12 PM
24°
9%
1 PM
24°
6%
2 PM
26°
10%
3 PM
26°
11%
4 PM
26°
11%
5 PM
29°
7%
6 PM
28°
8%
7 PM
27°
8%
8 PM
24°
8%
9 PM
23°
8%
10 PM
23°
8%
11 PM
22°
8%
12 AM
21°
8%
1 AM
21°
8%
2 AM
21°
14%
3 AM
20°
14%
4 AM
20°
28%
5 AM
17°
33%
6 AM
17°
34%
7 AM
18°
44%
8 AM
19°
45%
9 AM
21°
45%
7-Day Forecast
Today
29° 17°
Mostly Clear.
Fri
32° 17°
Partly Cloudy with a 52% chance of rain.
Sat
29° 17°
Partly Cloudy with a 36% chance of rain.
Sun
29° 16°
Overcast with a 58% chance of rain.
Mon
35° 14°
Clear with a 50% chance of rain.
Tue
36° 19°
Rain, 52% chance.
Wed
33° 17°
Clear with a 30% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 22° Partly Cloudy 17% 3 mph SE 75%
11 AM 22° Mostly Clear 15% 5 mph SSE 66%
12 PM 24° Clear 9% 6 mph S 59%
1 PM 24° Clear 6% 6 mph S 55%
2 PM 26° Clear 10% 5 mph SSW 52%
3 PM 26° Clear 11% 5 mph SW 49%
4 PM 26° Clear 11% 5 mph SW 51%
5 PM 29° Clear 7% 4 mph SW 54%
6 PM 28° Clear 8% 3 mph SSW 58%
7 PM 27° Partly Cloudy 8% 2 mph S 62%
8 PM 24° Partly Cloudy 8% 4 mph SSE 66%
9 PM 23° Mostly Cloudy 8% 4 mph SSE 70%
10 PM 23° Mostly Clear 8% 4 mph S 72%
11 PM 22° Mostly Clear 8% 4 mph S 75%
12 AM 21° Clear 8% 4 mph S 77%
1 AM 21° Clear 8% 4 mph SSW 78%
2 AM 21° Clear 14% 3 mph SSW 78%
3 AM 20° Clear 14% 3 mph SW 79%
4 AM 20° Clear 28% 3 mph SW 80%
5 AM 17° Mostly Clear 33% 4 mph SW 82%
6 AM 17° Mostly Clear 34% 4 mph SW 84%
7 AM 18° Mostly Clear 44% 4 mph WSW 81%
8 AM 19° Mostly Clear 45% 5 mph WSW 78%
9 AM 21° Partly Cloudy 45% 5 mph WSW 75%
15-Day Forecast
Today
8/20
Mostly Clear
17%
17°
29°
Fri
8/21
Partly Cloudy
52%
17°
32°
Sat
8/22
Partly Cloudy
36%
17°
29°
Sun
8/23
Overcast
58%
16°
29°
Mon
8/24
Clear
50%
14°
35°
Tue
8/25
Rain
52%
19°
36°
Wed
8/26
Clear
30%
17°
33°
Thu
8/27
Drizzle
68%
16°
34°
Fri
8/28
Drizzle
68%
18°
37°
Sat
8/29
Drizzle
51%
22°
38°
Sun
8/30
Drizzle
60%
21°
37°
Mon
8/31
Drizzle
60%
21°
36°
Tue
9/1
Drizzle
60%
21°
36°
Wed
9/2
Clear
60%
21°
36°
Thu
9/3
Drizzle
60%
21°
36°
41
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
18 AQI 3.4 µg/m³
O3
Ground-level ozone
Dominant
41 AQI 44 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Fri 41 Good 41 18
Sat 39 Good 39 19
Sun 33 Good 33 25
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 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE157 J/kg
MLCAPE34 J/kg
MUCAPE178 J/kg
SBCIN-224 J/kg
MLCIN0 J/kg
Lifted Index-0.4
Kinematics
0–6 km Shear30 kt
0–1 km Shear9 kt
Eff. Shear31 kt
0–1 km SRH-12
0–3 km SRH71
Eff. SRH71
Storm Motion2° @ 26 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.2
K-Index9.6
Thermo & Levels
PWAT0.93 in
0–3 km LR5.1 °C/km
700–500 LR6.0 °C/km
Total Totals35.3
LCL923 hPa
LFC662 hPa
EL312 hPa
Freezing Lvl13,291 ft