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

Union County, Iowa, United States

Last updated: 4:36 PM CDT  ·  Refresh
31°C
Feels like 40°
Partly Cloudy
▲ 32°  /  ▼ 24°
Wind
21 mph S
Humidity
75%
Dew Point
25°
Pressure
28.47 inHg
Visibility
9 mi
UV Index
7.5
Cloud Cover
40%
Sunrise
5:47 AM
Sunset
8:53 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Union County is currently partly cloudy at 31°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 4722 J/kg) — isolated convective development possible. Sunrise: 5:47AM · Sunset: 8:53PM.

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%
5 PM
32°
25%
6 PM
32°
25%
7 PM
32°
25%
8 PM
31°
25%
9 PM
29°
25%
10 PM
29°
18%
11 PM
28°
18%
12 AM
28°
19%
1 AM
27°
5%
2 AM
26°
5%
3 AM
26°
5%
4 AM
26°
3%
5 AM
24°
3%
6 AM
24°
3%
7 AM
25°
3%
8 AM
26°
3%
9 AM
28°
3%
10 AM
28°
3%
11 AM
30°
3%
12 PM
31°
3%
1 PM
32°
3%
2 PM
32°
10%
3 PM
33°
10%
7-Day Forecast
Today
32° 24°
Partly Cloudy with a 25% chance of rain.
Tue
34° 24°
Partly Cloudy.
Wed
35° 24°
Mostly Cloudy with a 49% chance of rain.
Thu
33° 23°
Partly Cloudy with a 51% chance of rain.
Fri
32° 21°
Clear with a 44% chance of rain.
Sat
32° 22°
Thunderstorm, 90% chance.
Sun
30° 20°
Clear with a 68% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 31° Partly Cloudy 5% 21 mph S 75%
5 PM 32° Partly Cloudy 25% 20 mph S 77%
6 PM 32° Partly Cloudy 25% 19 mph S 78%
7 PM 32° Mostly Cloudy 25% 18 mph S 80%
8 PM 31° Mostly Cloudy 25% 17 mph S 79%
9 PM 29° Mostly Cloudy 25% 18 mph SSW 78%
10 PM 29° Overcast 18% 17 mph SSW 78%
11 PM 28° Overcast 18% 17 mph SSW 78%
12 AM 28° Overcast 19% 17 mph SSW 78%
1 AM 27° Overcast 5% 16 mph SSW 77%
2 AM 26° Mostly Cloudy 5% 16 mph SSW 76%
3 AM 26° Partly Cloudy 5% 15 mph SSW 74%
4 AM 26° Partly Cloudy 3% 14 mph SSW 75%
5 AM 24° Partly Cloudy 3% 13 mph SSW 77%
6 AM 24° Partly Cloudy 3% 13 mph SSW 80%
7 AM 25° Partly Cloudy 3% 14 mph SSW 78%
8 AM 26° Mostly Cloudy 3% 16 mph SSW 75%
9 AM 28° Mostly Cloudy 3% 17 mph SSW 71%
10 AM 28° Mostly Cloudy 3% 18 mph SSW 69%
11 AM 30° Mostly Cloudy 3% 18 mph SSW 67%
12 PM 31° Mostly Cloudy 3% 18 mph SSW 65%
1 PM 32° Mostly Cloudy 3% 18 mph SSW 64%
2 PM 32° Mostly Cloudy 10% 18 mph SSW 64%
3 PM 33° Mostly Cloudy 10% 17 mph SSW 63%
15-Day Forecast
Today
6/29
Partly Cloudy
25%
24°
32°
Tue
6/30
Partly Cloudy
17%
24°
34°
Wed
7/1
Mostly Cloudy
49%
24°
35°
Thu
7/2
Partly Cloudy
51%
23°
33°
Fri
7/3
Clear
44%
21°
32°
Sat
7/4
Thunderstorm
90%
22°
32°
Sun
7/5
Clear
68%
20°
30°
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°
31°
Fri
7/10
Drizzle
60%
20°
30°
Sat
7/11
Drizzle
60%
19°
29°
Sun
7/12
Drizzle
60%
19°
30°
Mon
7/13
Drizzle
60%
20°
30°
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
30 AQI 33 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 50 Good 30 50
Wed 82 Moderate 31 82
Thu 55 Moderate 31 55
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 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE5607 J/kg
MLCAPE4323 J/kg
MUCAPE5607 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-9.1
Kinematics
0–6 km Shear23 kt
0–1 km Shear12 kt
Eff. Shear18 kt
0–1 km SRH12
0–3 km SRH-21
Eff. SRH-21
Storm Motion204° @ 41 kt
0–1 km EHI0.4
Composite Parameters
Sig. Tornado0.2
STP (eff)0.0
Supercell0.0
K-Index34.2
Thermo & Levels
PWAT1.70 in
0–3 km LR6.1 °C/km
700–500 LR7.2 °C/km
Total Totals48.4
LCL882 hPa
LFC964 hPa
EL126 hPa
Freezing Lvl15,656 ft