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

Calhoun County, Iowa, United States

Last updated: 3:28 PM CDT  ·  Refresh
32°C
Feels like 40°
Mostly Clear
▲ 34°  /  ▼ 23°
Wind
21 mph S
Humidity
67%
Dew Point
25°
Pressure
28.42 inHg
Visibility
10 mi
UV Index
8.8
Cloud Cover
22%
Sunrise
5:44 AM
Sunset
8:59 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Calhoun County is currently mostly clear at 32°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 4551 J/kg) — isolated convective development possible. Sunrise: 5:44AM · Sunset: 8:59PM.

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
41 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
5%
4 PM
33°
21%
5 PM
34°
21%
6 PM
33°
21%
7 PM
32°
21%
8 PM
31°
21%
9 PM
29°
21%
10 PM
29°
21%
11 PM
29°
22%
12 AM
29°
14%
1 AM
29°
17%
2 AM
28°
35%
3 AM
27°
38%
4 AM
26°
24%
5 AM
23°
9%
6 AM
23°
5%
7 AM
24°
5%
8 AM
25°
5%
9 AM
27°
5%
10 AM
29°
3%
11 AM
30°
3%
12 PM
31°
3%
1 PM
32°
13%
2 PM
32°
25%
7-Day Forecast
Today
34° 23°
Mostly Clear with a 21% chance of rain.
Tue
35° 23°
Partly Cloudy with a 40% chance of rain.
Wed
36° 23°
Partly Cloudy with a 54% chance of rain.
Thu
34° 24°
Mostly Cloudy with a 74% chance of rain.
Fri
34° 23°
Clear with a 60% chance of rain.
Sat
34° 21°
Thunderstorm, 90% chance.
Sun
31° 19°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 32° Mostly Clear 5% 21 mph S 67%
4 PM 33° Mostly Clear 21% 22 mph S 67%
5 PM 34° Mostly Clear 21% 20 mph S 68%
6 PM 33° Mostly Clear 21% 18 mph S 70%
7 PM 32° Mostly Clear 21% 16 mph S 73%
8 PM 31° Partly Cloudy 21% 14 mph S 76%
9 PM 29° Partly Cloudy 21% 13 mph S 79%
10 PM 29° Partly Cloudy 21% 13 mph S 80%
11 PM 29° Partly Cloudy 22% 14 mph S 79%
12 AM 29° Partly Cloudy 14% 15 mph SSW 78%
1 AM 29° Partly Cloudy 17% 14 mph SSW 77%
2 AM 28° Partly Cloudy 35% 13 mph SW 78%
3 AM 27° Mostly Cloudy 38% 9 mph SW 79%
4 AM 26° Mostly Cloudy 24% 7 mph SSW 80%
5 AM 23° Partly Cloudy 9% 8 mph S 82%
6 AM 23° Mostly Clear 5% 9 mph S 83%
7 AM 24° Mostly Clear 5% 10 mph S 80%
8 AM 25° Mostly Clear 5% 12 mph S 74%
9 AM 27° Mostly Clear 5% 12 mph SSW 68%
10 AM 29° Mostly Clear 3% 13 mph SSW 63%
11 AM 30° Mostly Clear 3% 13 mph SSW 59%
12 PM 31° Mostly Clear 3% 13 mph SSW 56%
1 PM 32° Mostly Clear 13% 14 mph SSW 55%
2 PM 32° Mostly Clear 25% 14 mph SSW 54%
15-Day Forecast
Today
6/29
Mostly Clear
21%
23°
34°
Tue
6/30
Partly Cloudy
40%
23°
35°
Wed
7/1
Partly Cloudy
54%
23°
36°
Thu
7/2
Mostly Cloudy
74%
24°
34°
Fri
7/3
Clear
60%
23°
34°
Sat
7/4
Thunderstorm
90%
21°
34°
Sun
7/5
Drizzle
60%
19°
31°
Mon
7/6
Clear
60%
19°
31°
Tue
7/7
Drizzle
60%
19°
32°
Wed
7/8
Drizzle
60%
20°
33°
Thu
7/9
Drizzle
60%
19°
32°
Fri
7/10
Drizzle
60%
19°
31°
Sat
7/11
Clear
60%
18°
31°
Sun
7/12
Drizzle
60%
18°
31°
Mon
7/13
Drizzle
60%
19°
31°
41
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
41 AQI 7.3 µg/m³
O3
Ground-level ozone
31 AQI 34 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 41 Good 31 41
Wed 65 Moderate 43 65
Thu 56 Moderate 37 56
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 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE5857 J/kg
MLCAPE4395 J/kg
MUCAPE5857 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-10.8
Kinematics
0–6 km Shear40 kt
0–1 km Shear12 kt
Eff. Shear33 kt
0–1 km SRH55
0–3 km SRH7
Eff. SRH7
Storm Motion201° @ 45 kt
0–1 km EHI2.0
Composite Parameters
Sig. Tornado1.6
STP (eff)0.2
Supercell0.7
K-Index31.5
Thermo & Levels
PWAT1.59 in
0–3 km LR6.1 °C/km
700–500 LR8.1 °C/km
Total Totals52.5
LCL869 hPa
LFC962 hPa
EL122 hPa
Freezing Lvl14,872 ft