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

Grundy County, Iowa, United States

Last updated: 3:36 PM CDT  ·  Refresh
31°C
Feels like 39°
Partly Cloudy
▲ 33°  /  ▼ 24°
Wind
21 mph S
Humidity
74%
Dew Point
25°
Pressure
28.66 inHg
Visibility
10 mi
UV Index
8.3
Cloud Cover
38%
Sunrise
5:37 AM
Sunset
8:52 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Grundy County is currently partly cloudy at 31°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 4555 J/kg) — isolated convective development possible. Sunrise: 5:37AM · Sunset: 8:52PM.

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
37 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
5%
4 PM
31°
5%
5 PM
33°
5%
6 PM
32°
5%
7 PM
31°
14%
8 PM
31°
22%
9 PM
29°
26%
10 PM
29°
26%
11 PM
28°
13%
12 AM
28°
14%
1 AM
28°
14%
2 AM
27°
14%
3 AM
27°
22%
4 AM
26°
21%
5 AM
24°
9%
6 AM
24°
9%
7 AM
24°
9%
8 AM
26°
5%
9 AM
27°
5%
10 AM
29°
5%
11 AM
31°
5%
12 PM
31°
5%
1 PM
31°
5%
2 PM
31°
13%
7-Day Forecast
Today
33° 24°
Partly Cloudy with a 26% chance of rain.
Tue
33° 24°
Partly Cloudy with a 40% chance of rain.
Wed
33° 23°
Mostly Clear with a 49% chance of rain.
Thu
34° 24°
Clear with a 71% chance of rain.
Fri
32° 23°
Thunderstorm, 60% chance.
Sat
33° 21°
Thunderstorm, 90% chance.
Sun
30° 19°
Drizzle, 68% chance.
TimeTempConditionsPrecipWindHumidity
Now 31° Partly Cloudy 5% 21 mph S 74%
4 PM 31° Mostly Clear 5% 20 mph S 73%
5 PM 33° Partly Cloudy 5% 20 mph S 75%
6 PM 32° Partly Cloudy 5% 18 mph S 77%
7 PM 31° Partly Cloudy 14% 17 mph S 78%
8 PM 31° Partly Cloudy 22% 15 mph S 81%
9 PM 29° Mostly Cloudy 26% 14 mph SSW 84%
10 PM 29° Mostly Cloudy 26% 14 mph SSW 85%
11 PM 28° Mostly Cloudy 13% 13 mph SSW 85%
12 AM 28° Mostly Cloudy 14% 13 mph SSW 84%
1 AM 28° Partly Cloudy 14% 13 mph SSW 84%
2 AM 27° Partly Cloudy 14% 13 mph SSW 84%
3 AM 27° Partly Cloudy 22% 12 mph SSW 83%
4 AM 26° Partly Cloudy 21% 11 mph SSW 83%
5 AM 24° Partly Cloudy 9% 10 mph SSW 84%
6 AM 24° Partly Cloudy 9% 11 mph S 84%
7 AM 24° Partly Cloudy 9% 12 mph S 81%
8 AM 26° Partly Cloudy 5% 14 mph SSW 77%
9 AM 27° Partly Cloudy 5% 15 mph SSW 73%
10 AM 29° Partly Cloudy 5% 15 mph SSW 68%
11 AM 31° Partly Cloudy 5% 15 mph SSW 66%
12 PM 31° Partly Cloudy 5% 16 mph SSW 64%
1 PM 31° Partly Cloudy 5% 16 mph SSW 63%
2 PM 31° Partly Cloudy 13% 16 mph SSW 63%
15-Day Forecast
Today
6/29
Partly Cloudy
26%
24°
33°
Tue
6/30
Partly Cloudy
40%
24°
33°
Wed
7/1
Mostly Clear
49%
23°
33°
Thu
7/2
Clear
71%
24°
34°
Fri
7/3
Thunderstorm
60%
23°
32°
Sat
7/4
Thunderstorm
90%
21°
33°
Sun
7/5
Drizzle
68%
19°
30°
Mon
7/6
Clear
60%
19°
31°
Tue
7/7
Drizzle
60%
19°
30°
Wed
7/8
Drizzle
60%
19°
32°
Thu
7/9
Drizzle
60%
20°
29°
Fri
7/10
Drizzle
60%
19°
29°
Sat
7/11
Drizzle
60%
19°
28°
Sun
7/12
Drizzle
60%
18°
28°
Mon
7/13
Drizzle
60%
19°
29°
37
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
37 AQI 6.7 µg/m³
O3
Ground-level ozone
33 AQI 36 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 37 Good 33 37
Wed 71 Moderate 39 71
Thu 61 Moderate 37 61
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
SBCAPE5517 J/kg
MLCAPE4318 J/kg
MUCAPE5517 J/kg
SBCIN-4 J/kg
MLCIN0 J/kg
Lifted Index-9.3
Kinematics
0–6 km Shear31 kt
0–1 km Shear9 kt
Eff. Shear30 kt
0–1 km SRH44
0–3 km SRH0
Eff. SRH0
Storm Motion203° @ 41 kt
0–1 km EHI1.5
Composite Parameters
Sig. Tornado1.1
STP (eff)0.0
Supercell0.0
K-Index31.7
Thermo & Levels
PWAT1.71 in
0–3 km LR5.8 °C/km
700–500 LR7.4 °C/km
Total Totals50.7
LCL891 hPa
LFC883 hPa
EL124 hPa
Freezing Lvl15,961 ft