Heat Advisory — Emmet, IA, Kossuth, IA, Winnebago, IA, Worth, IA, Palo Alto, IA, Hancock, IA, Cerro Gordo, IA, Pocahontas, IA, Humboldt, IA, Wright, IA, Franklin, IA, Sac, IA, Calhoun, IA, Webster, IA, Hamilton, IA, Hardin, IA, Crawford, IA, Carroll, IA, Greene, IA, Boone, IA, Story, IA, Audubon, IA, Guthrie, IA, Dallas, IA, Polk, IA, Cass, IA, Adair, IA, Madison, IA, Warren, IA, Adams, IA, Union, IA, Taylor, IA, Ringgold, IA 12:00 PM Excessive Heat Warning — Emmet, IA, Kossuth, IA, Winnebago, IA, Worth, IA, Palo Alto, IA, Hancock, IA, Cerro Gordo, IA, Pocahontas, IA, Humboldt, IA, Wright, IA, Franklin, IA, Sac, IA, Calhoun, IA, Webster, IA, Hamilton, IA, Hardin, IA, Crawford, IA, Carroll, IA, Greene, IA, Boone, IA, Story, IA, Audubon, IA, Guthrie, IA, Dallas, IA, Polk, IA, Cass, IA, Adair, IA, Madison, IA, Warren, IA, Adams, IA, Union, IA, Taylor, IA, Ringgold, IA, Butler, IA, Bremer, IA, Grundy, IA, Black Hawk, IA, Marshall, IA, Tama, IA, Jasper, IA, Poweshiek, IA, Marion, IA, Mahaska, IA, Clarke, IA, Lucas, IA, Monroe, IA, Wapello, IA, Decatur, IA, Wayne, IA, Appanoose, IA, Davis, IA 9:00 PM Extreme Heat Watch 10:00 PM

Union County, Iowa, United States

Last updated: 10:12 AM CDT  ·  Refresh
31°C
Feels like 37°
Partly Cloudy
▲ 40°  /  ▼ 25°
Wind
10 mph WSW
Humidity
70%
Dew Point
26°
Pressure
28.60 inHg
Visibility
5 mi
UV Index
6.9
Cloud Cover
54%
Sunrise
6:07 AM
Sunset
8:39 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 4199 J/kg) — isolated convective development possible. Sunrise: 6:07AM · Sunset: 8:39PM.

Alerts

Heat Advisory
Emmet, IA, Kossuth, IA, Winnebago, IA, Worth, IA, Palo Alto, IA, Hancock, IA, Cerro Gordo, IA, Pocahontas, IA, Humboldt, IA, Wright, IA, Franklin, IA, Sac, IA, Calhoun, IA, Webster, IA, Hamilton, IA, Hardin, IA, Crawford, IA, Carroll, IA, Greene, IA, Boone, IA, Story, IA, Audubon, IA, Guthrie, IA, Dallas, IA, Polk, IA, Cass, IA, Adair, IA, Madison, IA, Warren, IA, Adams, IA, Union, IA, Taylor, IA, Ringgold, IA
Expires 12:00 PM
Excessive Heat Warning
Emmet, IA, Kossuth, IA, Winnebago, IA, Worth, IA, Palo Alto, IA, Hancock, IA, Cerro Gordo, IA, Pocahontas, IA, Humboldt, IA, Wright, IA, Franklin, IA, Sac, IA, Calhoun, IA, Webster, IA, Hamilton, IA, Hardin, IA, Crawford, IA, Carroll, IA, Greene, IA, Boone, IA, Story, IA, Audubon, IA, Guthrie, IA, Dallas, IA, Polk, IA, Cass, IA, Adair, IA, Madison, IA, Warren, IA, Adams, IA, Union, IA, Taylor, IA, Ringgold, IA, Butler, IA, Bremer, IA, Grundy, IA, Black Hawk, IA, Marshall, IA, Tama, IA, Jasper, IA, Poweshiek, IA, Marion, IA, Mahaska, IA, Clarke, IA, Lucas, IA, Monroe, IA, Wapello, IA, Decatur, IA, Wayne, IA, Appanoose, IA, Davis, IA
Expires 9:00 PM
Extreme Heat Watch
Expires 10:00 PM
51 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
3%
11 AM
33°
14%
12 PM
36°
14%
1 PM
37°
3%
2 PM
38°
4%
3 PM
39°
4%
4 PM
38°
4%
5 PM
38°
4%
6 PM
37°
8%
7 PM
36°
8%
8 PM
34°
8%
9 PM
32°
13%
10 PM
30°
22%
11 PM
29°
22%
12 AM
29°
23%
1 AM
28°
23%
2 AM
28°
24%
3 AM
28°
24%
4 AM
27°
15%
5 AM
27°
15%
6 AM
26°
9%
7 AM
26°
5%
8 AM
28°
5%
9 AM
29°
13%
7-Day Forecast
Today
40° 25°
Partly Cloudy with a 22% chance of rain.
Mon
39° 25°
Mostly Clear with a 34% chance of rain.
Tue
35° 22°
Overcast.
Wed
35° 21°
Partly Cloudy with a 50% chance of rain.
Thu
33° 21°
Rain, 71% chance.
Fri
32° 21°
Heavy Rain, 82% chance.
Sat
33° 19°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 31° Partly Cloudy 3% 10 mph WSW 70%
11 AM 33° Partly Cloudy 14% 11 mph WSW 58%
12 PM 36° Partly Cloudy 14% 11 mph SW 48%
1 PM 37° Partly Cloudy 3% 11 mph SW 36%
2 PM 38° Partly Cloudy 4% 12 mph SSW 35%
3 PM 39° Partly Cloudy 4% 13 mph SSW 33%
4 PM 38° Partly Cloudy 4% 14 mph SSW 33%
5 PM 38° Partly Cloudy 4% 14 mph SSW 35%
6 PM 37° Mostly Clear 8% 13 mph S 37%
7 PM 36° Mostly Clear 8% 12 mph S 41%
8 PM 34° Partly Cloudy 8% 11 mph S 49%
9 PM 32° Mostly Clear 13% 10 mph S 56%
10 PM 30° Partly Cloudy 22% 9 mph S 62%
11 PM 29° Partly Cloudy 22% 9 mph SSW 65%
12 AM 29° Mostly Cloudy 23% 9 mph SSW 68%
1 AM 28° Overcast 23% 9 mph SSW 70%
2 AM 28° Overcast 24% 10 mph SSW 71%
3 AM 28° Mostly Cloudy 24% 11 mph SSW 73%
4 AM 27° Mostly Cloudy 15% 11 mph SSW 74%
5 AM 27° Partly Cloudy 15% 10 mph SSW 75%
6 AM 26° Partly Cloudy 9% 9 mph SSW 76%
7 AM 26° Partly Cloudy 5% 9 mph S 76%
8 AM 28° Partly Cloudy 5% 8 mph SSW 70%
9 AM 29° Mostly Clear 13% 9 mph SSW 64%
15-Day Forecast
Today
7/26
Partly Cloudy
22%
25°
40°
Mon
7/27
Mostly Clear
34%
25°
39°
Tue
7/28
Overcast
14%
22°
35°
Wed
7/29
Partly Cloudy
50%
21°
35°
Thu
7/30
Rain
71%
21°
33°
Fri
7/31
Heavy Rain
82%
21°
32°
Sat
8/1
Clear
17%
19°
33°
Sun
8/2
Clear
18%
19°
34°
Mon
8/3
Clear
44%
21°
36°
Tue
8/4
Drizzle
51%
22°
38°
Wed
8/5
Drizzle
60%
21°
36°
Thu
8/6
Drizzle
60%
20°
34°
Fri
8/7
Drizzle
60%
19°
34°
Sat
8/8
Drizzle
60%
21°
36°
Sun
8/9
Drizzle
60%
21°
36°
51
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
51 AQI 9.3 µg/m³
O3
Ground-level ozone
40 AQI 44 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 51 Moderate 40 51
Tue 51 Moderate 40 51
Wed 53 Moderate 41 53
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 Sun Jul 26, 13:00'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
SBCAPE5253 J/kg
MLCAPE2396 J/kg
MUCAPE5253 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-11.0
Kinematics
0–6 km Shear23 kt
0–1 km Shear5 kt
Eff. Shear23 kt
0–1 km SRH-12
0–3 km SRH-5
Eff. SRH-5
Storm Motion268° @ 25 kt
0–1 km EHI-0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index27.0
Thermo & Levels
PWAT1.51 in
0–3 km LR6.3 °C/km
700–500 LR7.2 °C/km
Total Totals50.1
LCL905 hPa
LFC969 hPa
EL128 hPa
Freezing Lvl15,322 ft