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: 3:28 PM CDT  ·  Refresh
31°C
Feels like 39°
Partly Cloudy
▲ 33°  /  ▼ 24°
Wind
18 mph S
Humidity
76%
Dew Point
25°
Pressure
28.66 inHg
Visibility
9 mi
UV Index
8.0
Cloud Cover
51%
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 4797 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°
5%
4 PM
32°
7%
5 PM
33°
3%
6 PM
32°
3%
7 PM
31°
3%
8 PM
31°
3%
9 PM
29°
3%
10 PM
28°
5%
11 PM
28°
5%
12 AM
27°
5%
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
27°
5%
10 AM
28°
3%
11 AM
29°
3%
12 PM
30°
3%
1 PM
31°
3%
2 PM
31°
3%
7-Day Forecast
Today
33° 24°
Partly Cloudy.
Tue
33° 24°
Partly Cloudy.
Wed
35° 22°
Clear with a 21% chance of rain.
Thu
34° 23°
Clear with a 44% chance of rain.
Fri
31° 23°
Clear with a 43% chance of rain.
Sat
32° 22°
Thunderstorm, 90% chance.
Sun
29° 20°
Clear with a 68% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 31° Partly Cloudy 5% 18 mph S 76%
4 PM 32° Partly Cloudy 7% 18 mph S 76%
5 PM 33° Partly Cloudy 3% 17 mph S 77%
6 PM 32° Partly Cloudy 3% 16 mph S 80%
7 PM 31° Mostly Cloudy 3% 15 mph S 80%
8 PM 31° Mostly Cloudy 3% 15 mph S 79%
9 PM 29° Mostly Cloudy 3% 15 mph S 79%
10 PM 28° Mostly Cloudy 5% 15 mph SSW 78%
11 PM 28° Overcast 5% 15 mph SSW 78%
12 AM 27° Overcast 5% 15 mph SSW 77%
1 AM 26° Overcast 5% 14 mph SSW 77%
2 AM 26° Overcast 5% 13 mph SSW 77%
3 AM 25° Mostly Cloudy 5% 12 mph SSW 77%
4 AM 24° Partly Cloudy 5% 12 mph SSW 79%
5 AM 24° Partly Cloudy 5% 11 mph SSW 80%
6 AM 24° Partly Cloudy 5% 12 mph SSW 82%
7 AM 24° Partly Cloudy 5% 13 mph SSW 80%
8 AM 26° Partly Cloudy 5% 14 mph SSW 77%
9 AM 27° Partly Cloudy 5% 15 mph SSW 74%
10 AM 28° Partly Cloudy 3% 16 mph SSW 71%
11 AM 29° Partly Cloudy 3% 16 mph SSW 69%
12 PM 30° Partly Cloudy 3% 16 mph SSW 68%
1 PM 31° Partly Cloudy 3% 16 mph SSW 66%
2 PM 31° Partly Cloudy 3% 16 mph SSW 66%
15-Day Forecast
Today
6/29
Partly Cloudy
5%
24°
33°
Tue
6/30
Partly Cloudy
5%
24°
33°
Wed
7/1
Clear
21%
22°
35°
Thu
7/2
Clear
44%
23°
34°
Fri
7/3
Clear
43%
23°
31°
Sat
7/4
Thunderstorm
90%
22°
32°
Sun
7/5
Clear
68%
20°
29°
Mon
7/6
Clear
60%
20°
29°
Tue
7/7
Drizzle
60%
19°
30°
Wed
7/8
Drizzle
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, 19:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE5430 J/kg
MLCAPE4159 J/kg
MUCAPE5430 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-8.9
Kinematics
0–6 km Shear23 kt
0–1 km Shear12 kt
Eff. Shear18 kt
0–1 km SRH10
0–3 km SRH-18
Eff. SRH-18
Storm Motion202° @ 38 kt
0–1 km EHI0.4
Composite Parameters
Sig. Tornado0.2
STP (eff)0.0
Supercell0.0
K-Index35.7
Thermo & Levels
PWAT1.80 in
0–3 km LR6.0 °C/km
700–500 LR6.9 °C/km
Total Totals50.3
LCL897 hPa
LFC970 hPa
EL127 hPa
Freezing Lvl15,991 ft