Excessive Heat Warning — Boone, NE, Burt, NE, Platte, NE, Colfax, NE, Dodge, NE, Washington, NE, Harrison, IA, Shelby, IA, Douglas, NE, Sarpy, NE, Knox, NE, Cedar, NE, Antelope, NE, Pierce, NE, Thurston, NE, Wayne, NE, Madison, NE, Stanton, NE, Cuming, NE, Butler, NE, Saunders, NE, Seward, NE, Lancaster, NE, Cass, NE, Otoe, NE, Saline, NE, Jefferson, NE, Gage, NE, Johnson, NE, Nemaha, NE, Pawnee, NE, Richardson, NE 7:00 AM Heat Advisory — Knox, NE, Cedar, NE, Antelope, NE, Pierce, NE, Thurston, NE, Wayne, NE, Madison, NE, Stanton, NE, Cuming, NE, Boone, NE, Burt, NE, Platte, NE, Colfax, NE, Dodge, NE, Washington, NE, Harrison, IA, Shelby, IA, Douglas, NE, Sarpy, NE, Butler, NE, Saunders, NE, Seward, NE, Lancaster, NE, Cass, NE, Otoe, NE, Saline, NE, Jefferson, NE, Gage, NE, Johnson, NE, Nemaha, NE, Pawnee, NE, Richardson, NE 10:00 PM Heat Advisory — Knox, NE, Cedar, NE, Antelope, NE, Pierce, NE, Douglas, NE, Sarpy, NE, Thurston, NE, Wayne, NE, Boone, NE, Madison, NE, Stanton, NE, Cuming, NE, Burt, NE, Platte, NE, Colfax, NE, Dodge, NE, Washington, NE, Butler, NE, Saunders, NE, Seward, NE, Lancaster, NE, Cass, NE, Otoe, NE, Saline, NE, Jefferson, NE, Gage, NE, Johnson, NE, Nemaha, NE, Pawnee, NE, Richardson, NE 10:00 PM

Washington County, Nebraska, United States

Last updated: 5:46 AM CDT  ·  Refresh
27°C
Feels like 29°
Partly Cloudy
▲ 39°  /  ▼ 23°
Wind
8 mph SSW
Humidity
70%
Dew Point
22°
Pressure
28.46 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
50%
Sunrise
6:14 AM
Sunset
8:47 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Washington County is currently partly cloudy at 27°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2883 J/kg) — isolated convective development possible. Sunrise: 6:14AM · Sunset: 8:47PM.

Alerts

Excessive Heat Warning
Boone, NE, Burt, NE, Platte, NE, Colfax, NE, Dodge, NE, Washington, NE, Harrison, IA, Shelby, IA, Douglas, NE, Sarpy, NE, Knox, NE, Cedar, NE, Antelope, NE, Pierce, NE, Thurston, NE, Wayne, NE, Madison, NE, Stanton, NE, Cuming, NE, Butler, NE, Saunders, NE, Seward, NE, Lancaster, NE, Cass, NE, Otoe, NE, Saline, NE, Jefferson, NE, Gage, NE, Johnson, NE, Nemaha, NE, Pawnee, NE, Richardson, NE
Expires 7:00 AM
Heat Advisory
Knox, NE, Cedar, NE, Antelope, NE, Pierce, NE, Thurston, NE, Wayne, NE, Madison, NE, Stanton, NE, Cuming, NE, Boone, NE, Burt, NE, Platte, NE, Colfax, NE, Dodge, NE, Washington, NE, Harrison, IA, Shelby, IA, Douglas, NE, Sarpy, NE, Butler, NE, Saunders, NE, Seward, NE, Lancaster, NE, Cass, NE, Otoe, NE, Saline, NE, Jefferson, NE, Gage, NE, Johnson, NE, Nemaha, NE, Pawnee, NE, Richardson, NE
Expires 10:00 PM
Heat Advisory
Knox, NE, Cedar, NE, Antelope, NE, Pierce, NE, Douglas, NE, Sarpy, NE, Thurston, NE, Wayne, NE, Boone, NE, Madison, NE, Stanton, NE, Cuming, NE, Burt, NE, Platte, NE, Colfax, NE, Dodge, NE, Washington, NE, Butler, NE, Saunders, NE, Seward, NE, Lancaster, NE, Cass, NE, Otoe, NE, Saline, NE, Jefferson, NE, Gage, NE, Johnson, NE, Nemaha, NE, Pawnee, NE, Richardson, NE
Expires 10:00 PM
40 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
28%
6 AM
25°
25%
7 AM
27°
25%
8 AM
29°
27%
9 AM
30°
25%
10 AM
32°
25%
11 AM
34°
25%
12 PM
36°
17%
1 PM
36°
7%
2 PM
37°
7%
3 PM
38°
7%
4 PM
38°
16%
5 PM
38°
16%
6 PM
37°
16%
7 PM
35°
16%
8 PM
33°
22%
9 PM
32°
22%
10 PM
31°
22%
11 PM
30°
23%
12 AM
29°
23%
1 AM
29°
34%
2 AM
28°
38%
3 AM
28°
42%
4 AM
27°
33%
7-Day Forecast
Today
39° 23°
Mostly Clear with a 28% chance of rain.
Tue
36° 22°
Mostly Cloudy with a 36% chance of rain.
Wed
37° 21°
Partly Cloudy with a 32% chance of rain.
Thu
33° 22°
Mostly Cloudy with a 75% chance of rain.
Fri
33° 19°
Clear with a 55% chance of rain.
Sat
34° 19°
Clear.
Sun
37° 19°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 27° Partly Cloudy 28% 8 mph SSW 70%
6 AM 25° Clear 25% 8 mph S 66%
7 AM 27° Mostly Clear 25% 9 mph SSW 60%
8 AM 29° Partly Cloudy 27% 9 mph SSW 52%
9 AM 30° Mostly Clear 25% 7 mph SW 44%
10 AM 32° Mostly Clear 25% 4 mph WSW 41%
11 AM 34° Clear 25% 4 mph ENE 39%
12 PM 36° Clear 17% 6 mph ENE 36%
1 PM 36° Clear 7% 8 mph ENE 35%
2 PM 37° Mostly Clear 7% 9 mph ENE 34%
3 PM 38° Mostly Clear 7% 10 mph E 33%
4 PM 38° Mostly Clear 16% 10 mph E 34%
5 PM 38° Mostly Clear 16% 11 mph E 37%
6 PM 37° Partly Cloudy 16% 11 mph E 40%
7 PM 35° Partly Cloudy 16% 10 mph E 44%
8 PM 33° Partly Cloudy 22% 9 mph E 48%
9 PM 32° Partly Cloudy 22% 8 mph E 52%
10 PM 31° Partly Cloudy 22% 8 mph E 57%
11 PM 30° Partly Cloudy 23% 8 mph E 64%
12 AM 29° Mostly Cloudy 23% 8 mph E 70%
1 AM 29° Mostly Cloudy 34% 7 mph E 72%
2 AM 28° Mostly Cloudy 38% 6 mph E 72%
3 AM 28° Mostly Cloudy 42% 7 mph ENE 72%
4 AM 27° Mostly Cloudy 33% 6 mph ENE 75%
15-Day Forecast
Today
7/27
Mostly Clear
28%
23°
39°
Tue
7/28
Mostly Cloudy
36%
22°
36°
Wed
7/29
Partly Cloudy
32%
21°
37°
Thu
7/30
Mostly Cloudy
75%
22°
33°
Fri
7/31
Clear
55%
19°
33°
Sat
8/1
Clear
7%
19°
34°
Sun
8/2
Clear
8%
19°
37°
Mon
8/3
Clear
34%
21°
38°
Tue
8/4
Partly Cloudy
35%
20°
38°
Wed
8/5
Overcast
35%
18°
32°
Thu
8/6
Drizzle
60%
21°
35°
Fri
8/7
Drizzle
60%
20°
34°
Sat
8/8
Drizzle
60%
21°
34°
Sun
8/9
Drizzle
60%
21°
34°
Mon
8/10
Drizzle
60%
20°
35°
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
33 AQI 6.1 µg/m³
O3
Ground-level ozone
Dominant
40 AQI 44 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 40 Good 40 33
Tue 47 Good 43 47
Wed 58 Moderate 58 42
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, 09:00'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
SBCAPE1040 J/kg
MLCAPE1146 J/kg
MUCAPE1921 J/kg
SBCIN-671 J/kg
MLCIN0 J/kg
Lifted Index-2.8
Kinematics
0–6 km Shear23 kt
0–1 km Shear29 kt
Eff. Shear36 kt
0–1 km SRH134
0–3 km SRH168
Eff. SRH37
Storm Motion254° @ 28 kt
0–1 km EHI0.9
Composite Parameters
Sig. Tornado0.5
STP (eff)0.0
Supercell1.3
K-Index40.1
Thermo & Levels
PWAT1.99 in
0–3 km LR4.7 °C/km
700–500 LR6.9 °C/km
Total Totals50.6
LCL887 hPa
LFC634 hPa
EL197 hPa
Freezing Lvl15,633 ft