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

Harrison County, Iowa, United States

Last updated: 4:29 AM CDT  ·  Refresh
27°C
Feels like 29°
Mostly Clear
▲ 39°  /  ▼ 23°
Wind
7 mph S
Humidity
72%
Dew Point
23°
Pressure
28.54 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
27%
Sunrise
6:12 AM
Sunset
8:46 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Harrison County is currently mostly clear at 27°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2939 J/kg) — isolated convective development possible. Sunrise: 6:12AM · Sunset: 8:46PM.

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
44 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
3%
5 AM
26°
21%
6 AM
26°
21%
7 AM
27°
21%
8 AM
29°
21%
9 AM
31°
23%
10 AM
32°
31%
11 AM
34°
31%
12 PM
36°
25%
1 PM
36°
16%
2 PM
38°
16%
3 PM
38°
17%
4 PM
38°
17%
5 PM
39°
17%
6 PM
38°
17%
7 PM
36°
18%
8 PM
34°
18%
9 PM
32°
18%
10 PM
31°
18%
11 PM
29°
19%
12 AM
29°
19%
1 AM
28°
19%
2 AM
28°
19%
3 AM
27°
20%
7-Day Forecast
Today
39° 23°
Mostly Clear with a 31% chance of rain.
Tue
34° 22°
Mostly Cloudy.
Wed
36° 20°
Clear with a 36% chance of rain.
Thu
33° 22°
Heavy Rain, 75% chance.
Fri
33° 19°
Clear with a 51% chance of rain.
Sat
34° 18°
Clear.
Sun
37° 19°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 27° Mostly Clear 3% 7 mph S 72%
5 AM 26° Mostly Clear 21% 6 mph S 68%
6 AM 26° Mostly Clear 21% 6 mph S 68%
7 AM 27° Clear 21% 7 mph SSW 64%
8 AM 29° Clear 21% 8 mph SSW 57%
9 AM 31° Clear 23% 8 mph SW 49%
10 AM 32° Clear 31% 5 mph SW 45%
11 AM 34° Mostly Clear 31% 2 mph SSE 42%
12 PM 36° Partly Cloudy 25% 5 mph ENE 39%
1 PM 36° Partly Cloudy 16% 8 mph ENE 37%
2 PM 38° Mostly Clear 16% 9 mph ENE 35%
3 PM 38° Mostly Clear 17% 11 mph ENE 34%
4 PM 38° Partly Cloudy 17% 11 mph ENE 34%
5 PM 39° Mostly Clear 17% 11 mph ENE 35%
6 PM 38° Clear 17% 11 mph ENE 37%
7 PM 36° Mostly Clear 18% 10 mph ENE 40%
8 PM 34° Mostly Clear 18% 8 mph ENE 46%
9 PM 32° Mostly Clear 18% 7 mph E 52%
10 PM 31° Partly Cloudy 18% 7 mph E 59%
11 PM 29° Partly Cloudy 19% 8 mph E 65%
12 AM 29° Partly Cloudy 19% 8 mph ESE 72%
1 AM 28° Partly Cloudy 19% 8 mph ESE 75%
2 AM 28° Partly Cloudy 19% 6 mph E 76%
3 AM 27° Mostly Cloudy 20% 6 mph ENE 76%
15-Day Forecast
Today
7/27
Mostly Clear
31%
23°
39°
Tue
7/28
Mostly Cloudy
10%
22°
34°
Wed
7/29
Clear
36%
20°
36°
Thu
7/30
Heavy Rain
75%
22°
33°
Fri
7/31
Clear
51%
19°
33°
Sat
8/1
Clear
17%
18°
34°
Sun
8/2
Clear
8%
19°
37°
Mon
8/3
Drizzle
43%
21°
38°
Tue
8/4
Drizzle
44%
21°
39°
Wed
8/5
Drizzle
51%
17°
33°
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°
35°
Mon
8/10
Drizzle
60%
21°
36°
44
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
38 AQI 6.9 µg/m³
O3
Ground-level ozone
Dominant
44 AQI 47 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 44 Good 44 38
Tue 49 Good 43 49
Wed 46 Good 45 46
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, 08:00'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
SBCAPE1672 J/kg
MLCAPE1706 J/kg
MUCAPE2540 J/kg
SBCIN-556 J/kg
MLCIN0 J/kg
Lifted Index-4.2
Kinematics
0–6 km Shear25 kt
0–1 km Shear31 kt
Eff. Shear38 kt
0–1 km SRH193
0–3 km SRH251
Eff. SRH68
Storm Motion254° @ 29 kt
0–1 km EHI2.0
Composite Parameters
Sig. Tornado1.3
STP (eff)0.0
Supercell3.4
K-Index41.2
Thermo & Levels
PWAT2.04 in
0–3 km LR4.6 °C/km
700–500 LR7.0 °C/km
Total Totals52.0
LCL906 hPa
LFC654 hPa
EL177 hPa
Freezing Lvl15,807 ft