Excessive Heat Watch 9:00 PM Excessive Heat Warning — Emmet, IA, Kossuth, IA, Palo Alto, IA, Pocahontas, IA, Humboldt, IA, Wright, IA, Sac, IA, Calhoun, IA, Webster, IA, Hamilton, IA, Hardin, IA, Crawford, IA, Carroll, IA, Greene, IA, Boone, IA, Story, IA, Marshall, IA, Tama, IA, Audubon, IA, Guthrie, IA, Dallas, IA, Polk, IA, Jasper, IA, Poweshiek, IA, Cass, IA, Adair, IA, Madison, IA, Warren, IA, Marion, IA, Mahaska, IA, Adams, IA, Union, IA, Clarke, IA, Lucas, IA, Monroe, IA, Wapello, IA, Taylor, IA, Ringgold, IA, Decatur, IA, Wayne, IA, Appanoose, IA, Davis, IA, Winnebago, IA, Worth, IA, Hancock, IA, Cerro Gordo, IA, Franklin, IA, Butler, IA, Bremer, IA, Grundy, IA, Black Hawk, IA 10:00 PM

Decatur County, Iowa, United States

Last updated: 4:34 PM CDT  ·  Refresh
31°C
Feels like 40°
Partly Cloudy
▲ 32°  /  ▼ 24°
Wind
18 mph S
Humidity
76%
Dew Point
26°
Pressure
28.66 inHg
Visibility
9 mi
UV Index
7.1
Cloud Cover
50%
Sunrise
5:46 AM
Sunset
8:50 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Decatur County is currently partly cloudy at 31°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 4867 J/kg) — isolated convective development possible. Sunrise: 5:46AM · Sunset: 8:50PM.

Alerts

Excessive Heat Watch
Expires 9:00 PM
Excessive Heat Warning
Emmet, IA, Kossuth, IA, Palo Alto, IA, Pocahontas, IA, Humboldt, IA, Wright, IA, Sac, IA, Calhoun, IA, Webster, IA, Hamilton, IA, Hardin, IA, Crawford, IA, Carroll, IA, Greene, IA, Boone, IA, Story, IA, Marshall, IA, Tama, IA, Audubon, IA, Guthrie, IA, Dallas, IA, Polk, IA, Jasper, IA, Poweshiek, IA, Cass, IA, Adair, IA, Madison, IA, Warren, IA, Marion, IA, Mahaska, IA, Adams, IA, Union, IA, Clarke, IA, Lucas, IA, Monroe, IA, Wapello, IA, Taylor, IA, Ringgold, IA, Decatur, IA, Wayne, IA, Appanoose, IA, Davis, IA, Winnebago, IA, Worth, IA, Hancock, IA, Cerro Gordo, IA, Franklin, IA, Butler, IA, Bremer, IA, Grundy, IA, Black Hawk, IA
Expires 10:00 PM
50 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
3%
5 PM
32°
23%
6 PM
32°
23%
7 PM
31°
23%
8 PM
31°
16%
9 PM
29°
16%
10 PM
28°
18%
11 PM
28°
18%
12 AM
27°
10%
1 AM
26°
5%
2 AM
26°
5%
3 AM
25°
5%
4 AM
24°
5%
5 AM
24°
5%
6 AM
24°
5%
7 AM
24°
5%
8 AM
26°
5%
9 AM
28°
5%
10 AM
28°
3%
11 AM
30°
3%
12 PM
31°
3%
1 PM
31°
3%
2 PM
32°
3%
3 PM
32°
3%
7-Day Forecast
Today
32° 24°
Partly Cloudy with a 23% chance of rain.
Tue
33° 24°
Partly Cloudy.
Wed
34° 23°
Partly Cloudy with a 29% chance of rain.
Thu
32° 24°
Partly Cloudy with a 43% chance of rain.
Fri
31° 23°
Thunderstorm, 50% chance.
Sat
32° 22°
Thunderstorm, 90% chance.
Sun
29° 20°
Clear with a 60% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 31° Partly Cloudy 3% 18 mph S 76%
5 PM 32° Partly Cloudy 23% 16 mph S 78%
6 PM 32° Partly Cloudy 23% 16 mph S 80%
7 PM 31° Mostly Cloudy 23% 15 mph S 80%
8 PM 31° Mostly Cloudy 16% 14 mph S 80%
9 PM 29° Mostly Cloudy 16% 15 mph S 80%
10 PM 28° Mostly Cloudy 18% 15 mph SSW 80%
11 PM 28° Mostly Cloudy 18% 15 mph SSW 79%
12 AM 27° Overcast 10% 14 mph SSW 78%
1 AM 26° Overcast 5% 14 mph SSW 78%
2 AM 26° Mostly Cloudy 5% 14 mph SSW 78%
3 AM 25° Mostly Cloudy 5% 13 mph SSW 78%
4 AM 24° Partly Cloudy 5% 12 mph SSW 79%
5 AM 24° Mostly Clear 5% 11 mph SSW 81%
6 AM 24° Mostly Clear 5% 12 mph S 83%
7 AM 24° Mostly Clear 5% 13 mph SSW 81%
8 AM 26° Partly Cloudy 5% 14 mph SSW 77%
9 AM 28° Partly Cloudy 5% 16 mph SSW 73%
10 AM 28° Partly Cloudy 3% 16 mph SSW 71%
11 AM 30° Partly Cloudy 3% 17 mph SSW 68%
12 PM 31° Partly Cloudy 3% 17 mph SSW 66%
1 PM 31° Partly Cloudy 3% 17 mph SSW 66%
2 PM 32° Mostly Clear 3% 17 mph SSW 65%
3 PM 32° Mostly Clear 3% 16 mph SSW 65%
15-Day Forecast
Today
6/29
Partly Cloudy
23%
24°
32°
Tue
6/30
Partly Cloudy
5%
24°
33°
Wed
7/1
Partly Cloudy
29%
23°
34°
Thu
7/2
Partly Cloudy
43%
24°
32°
Fri
7/3
Thunderstorm
50%
23°
31°
Sat
7/4
Thunderstorm
90%
22°
32°
Sun
7/5
Clear
60%
20°
29°
Mon
7/6
Clear
60%
20°
29°
Tue
7/7
Drizzle
60%
19°
30°
Wed
7/8
Thunderstorm
60%
20°
32°
Thu
7/9
Drizzle
60%
21°
29°
Fri
7/10
Drizzle
60%
20°
29°
Sat
7/11
Drizzle
60%
19°
28°
Sun
7/12
Drizzle
60%
19°
29°
Mon
7/13
Drizzle
60%
19°
29°
50
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
50 AQI 9.0 µg/m³
O3
Ground-level ozone
31 AQI 34 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 50 Good 31 50
Wed 84 Moderate 31 84
Thu 57 Moderate 32 57
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 Jun 29, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE5641 J/kg
MLCAPE4456 J/kg
MUCAPE5641 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-8.9
Kinematics
0–6 km Shear23 kt
0–1 km Shear14 kt
Eff. Shear16 kt
0–1 km SRH17
0–3 km SRH-1
Eff. SRH-1
Storm Motion204° @ 39 kt
0–1 km EHI0.6
Composite Parameters
Sig. Tornado0.3
STP (eff)0.0
Supercell0.0
K-Index34.8
Thermo & Levels
PWAT1.84 in
0–3 km LR6.0 °C/km
700–500 LR6.9 °C/km
Total Totals49.9
LCL895 hPa
LFC971 hPa
EL126 hPa
Freezing Lvl16,142 ft