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

Shelby County, Iowa, United States

Last updated: 5:58 AM CDT  ·  Refresh
27°C
Feels like 29°
Mostly Clear
▲ 38°  /  ▼ 23°
Wind
8 mph SSW
Humidity
74%
Dew Point
23°
Pressure
28.43 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
22%
Sunrise
6:10 AM
Sunset
8:44 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Shelby County is currently mostly clear at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2831 J/kg) — isolated convective development possible. Sunrise: 6:10AM · Sunset: 8:44PM.

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
41 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
11%
6 AM
25°
27%
7 AM
27°
27%
8 AM
29°
27%
9 AM
31°
30%
10 AM
32°
30%
11 AM
34°
28%
12 PM
36°
13%
1 PM
36°
7%
2 PM
36°
7%
3 PM
38°
7%
4 PM
37°
16%
5 PM
38°
16%
6 PM
37°
16%
7 PM
34°
16%
8 PM
32°
16%
9 PM
29°
17%
10 PM
29°
17%
11 PM
28°
17%
12 AM
28°
17%
1 AM
27°
17%
2 AM
27°
18%
3 AM
26°
18%
4 AM
26°
9%
7-Day Forecast
Today
38° 23°
Mostly Clear with a 28% chance of rain.
Tue
36° 21°
Mostly Cloudy.
Wed
36° 20°
Partly Cloudy with a 29% chance of rain.
Thu
33° 21°
Overcast with a 83% chance of rain.
Fri
32° 19°
Partly Cloudy with a 55% chance of rain.
Sat
34° 19°
Mostly Clear.
Sun
36° 19°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 27° Mostly Clear 11% 8 mph SSW 74%
6 AM 25° Mostly Clear 27% 7 mph SSW 72%
7 AM 27° Mostly Clear 27% 8 mph SSW 63%
8 AM 29° Mostly Clear 27% 9 mph SW 55%
9 AM 31° Partly Cloudy 30% 8 mph SW 48%
10 AM 32° Clear 30% 5 mph SW 45%
11 AM 34° Clear 28% 3 mph NNW 42%
12 PM 36° Clear 13% 4 mph NE 38%
1 PM 36° Clear 7% 6 mph NE 36%
2 PM 36° Mostly Clear 7% 7 mph ENE 34%
3 PM 38° Partly Cloudy 7% 9 mph ENE 33%
4 PM 37° Mostly Clear 16% 10 mph ENE 34%
5 PM 38° Mostly Clear 16% 10 mph ENE 34%
6 PM 37° Mostly Clear 16% 10 mph ENE 35%
7 PM 34° Mostly Clear 16% 9 mph ENE 43%
8 PM 32° Mostly Clear 16% 7 mph ENE 51%
9 PM 29° Mostly Clear 17% 6 mph ENE 59%
10 PM 29° Partly Cloudy 17% 6 mph E 64%
11 PM 28° Partly Cloudy 17% 7 mph E 69%
12 AM 28° Mostly Cloudy 17% 7 mph E 73%
1 AM 27° Mostly Cloudy 17% 6 mph E 75%
2 AM 27° Mostly Cloudy 18% 6 mph ENE 76%
3 AM 26° Mostly Cloudy 18% 6 mph ENE 78%
4 AM 26° Mostly Cloudy 9% 5 mph ENE 77%
15-Day Forecast
Today
7/27
Mostly Clear
28%
23°
38°
Tue
7/28
Mostly Cloudy
11%
21°
36°
Wed
7/29
Partly Cloudy
29%
20°
36°
Thu
7/30
Overcast
83%
21°
33°
Fri
7/31
Partly Cloudy
55%
19°
32°
Sat
8/1
Mostly Clear
17%
19°
34°
Sun
8/2
Clear
10%
19°
36°
Mon
8/3
Drizzle
34%
21°
38°
Tue
8/4
Drizzle
47%
20°
38°
Wed
8/5
Drizzle
66%
17°
32°
Thu
8/6
Drizzle
60%
20°
35°
Fri
8/7
Drizzle
60%
19°
34°
Sat
8/8
Drizzle
60%
20°
34°
Sun
8/9
Drizzle
60%
20°
34°
Mon
8/10
Drizzle
60%
20°
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
41 AQI 7.4 µg/m³
O3
Ground-level ozone
Dominant
41 AQI 45 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 41 Good 41 41
Tue 47 Good 40 47
Wed 49 Good 44 49
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
SBCAPE1649 J/kg
MLCAPE1417 J/kg
MUCAPE2303 J/kg
SBCIN-534 J/kg
MLCIN0 J/kg
Lifted Index-4.1
Kinematics
0–6 km Shear24 kt
0–1 km Shear30 kt
Eff. Shear38 kt
0–1 km SRH142
0–3 km SRH181
Eff. SRH55
Storm Motion251° @ 28 kt
0–1 km EHI1.5
Composite Parameters
Sig. Tornado1.0
STP (eff)0.0
Supercell2.4
K-Index39.6
Thermo & Levels
PWAT1.91 in
0–3 km LR4.7 °C/km
700–500 LR6.8 °C/km
Total Totals50.7
LCL912 hPa
LFC669 hPa
EL180 hPa
Freezing Lvl15,456 ft