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

Calhoun County, Iowa, United States

Last updated: 10:11 AM CDT  ·  Refresh
29°C
Feels like 33°
Mostly Cloudy
▲ 39°  /  ▼ 24°
Wind
4 mph SSW
Humidity
67%
Dew Point
23°
Pressure
28.62 inHg
Visibility
10 mi
UV Index
6.3
Cloud Cover
63%
Sunrise
6:05 AM
Sunset
8:44 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Calhoun County is currently mostly cloudy at 29°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3561 J/kg) — isolated convective development possible. Sunrise: 6:05AM · Sunset: 8:44PM.

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
43 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
29°
3%
11 AM
33°
14%
12 PM
34°
14%
1 PM
36°
3%
2 PM
36°
21%
3 PM
37°
20%
4 PM
37°
12%
5 PM
36°
30%
6 PM
36°
16%
7 PM
35°
16%
8 PM
33°
16%
9 PM
32°
17%
10 PM
31°
8%
11 PM
29°
8%
12 AM
28°
8%
1 AM
28°
8%
2 AM
27°
9%
3 AM
26°
9%
4 AM
26°
9%
5 AM
25°
9%
6 AM
24°
9%
7 AM
24°
5%
8 AM
26°
5%
9 AM
27°
5%
7-Day Forecast
Today
39° 24°
Partly Cloudy.
Mon
38° 23°
Mostly Clear.
Tue
31° 21°
Overcast with a 31% chance of rain.
Wed
33° 19°
Haze with a 54% chance of rain.
Thu
30° 20°
Rain, 64% chance.
Fri
31° 19°
Rain, 82% chance.
Sat
31° 18°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 29° Mostly Cloudy 3% 4 mph SSW 67%
11 AM 33° Partly Cloudy 14% 6 mph SSW 57%
12 PM 34° Mostly Cloudy 14% 8 mph SW 52%
1 PM 36° Mostly Cloudy 3% 8 mph SSW 49%
2 PM 36° Rain 21% 9 mph SSW 48%
3 PM 37° Mostly Cloudy 20% 8 mph S 46%
4 PM 37° Partly Cloudy 12% 8 mph SSE 45%
5 PM 36° Partly Cloudy 30% 8 mph SSE 44%
6 PM 36° Partly Cloudy 16% 9 mph SSE 45%
7 PM 35° Mostly Clear 16% 9 mph SSE 46%
8 PM 33° Mostly Clear 16% 9 mph S 47%
9 PM 32° Partly Cloudy 17% 9 mph S 48%
10 PM 31° Partly Cloudy 8% 9 mph S 50%
11 PM 29° Mostly Cloudy 8% 10 mph SSW 57%
12 AM 28° Mostly Cloudy 8% 10 mph SSW 64%
1 AM 28° Mostly Cloudy 8% 10 mph SSW 70%
2 AM 27° Mostly Cloudy 9% 10 mph SSW 74%
3 AM 26° Partly Cloudy 9% 9 mph SSW 78%
4 AM 26° Partly Cloudy 9% 8 mph SSW 80%
5 AM 25° Partly Cloudy 9% 7 mph SSW 82%
6 AM 24° Partly Cloudy 9% 6 mph S 84%
7 AM 24° Mostly Clear 5% 5 mph S 84%
8 AM 26° Mostly Clear 5% 4 mph S 79%
9 AM 27° Clear 5% 4 mph SW 74%
15-Day Forecast
Today
7/26
Partly Cloudy
16%
24°
39°
Mon
7/27
Mostly Clear
9%
23°
38°
Tue
7/28
Overcast
31%
21°
31°
Wed
7/29
Haze
54%
19°
33°
Thu
7/30
Rain
64%
20°
30°
Fri
7/31
Rain
82%
19°
31°
Sat
8/1
Clear
17%
18°
31°
Sun
8/2
Clear
18%
18°
33°
Mon
8/3
Drizzle
68%
19°
36°
Tue
8/4
Drizzle
68%
21°
36°
Wed
8/5
Drizzle
60%
18°
33°
Thu
8/6
Drizzle
60%
17°
32°
Fri
8/7
Drizzle
60%
17°
33°
Sat
8/8
Drizzle
60%
19°
34°
Sun
8/9
Drizzle
60%
18°
34°
43
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
43 AQI 7.8 µg/m³
O3
Ground-level ozone
42 AQI 46 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 43 Good 42 43
Tue 50 Good 35 50
Wed 51 Moderate 42 51
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 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3022 J/kg
MLCAPE690 J/kg
MUCAPE3022 J/kg
SBCIN-375 J/kg
MLCIN0 J/kg
Lifted Index-6.8
Kinematics
0–6 km Shear18 kt
0–1 km Shear8 kt
Eff. Shear—
0–1 km SRH48
0–3 km SRH-17
Eff. SRH—
Storm Motion263° @ 27 kt
0–1 km EHI0.9
Composite Parameters
Sig. Tornado0.4
STP (eff)—
Supercell—
K-Index27.8
Thermo & Levels
PWAT1.52 in
0–3 km LR5.6 °C/km
700–500 LR7.1 °C/km
Total Totals46.6
LCL889 hPa
LFC700 hPa
EL152 hPa
Freezing Lvl14,419 ft