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

Marshall County, Iowa, United States

Last updated: 3:34 PM CDT  ·  Refresh
32°C
Feels like 40°
Partly Cloudy
▲ 33°  /  ▼ 24°
Wind
20 mph S
Humidity
73%
Dew Point
25°
Pressure
28.73 inHg
Visibility
10 mi
UV Index
7.8
Cloud Cover
51%
Sunrise
5:39 AM
Sunset
8:51 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Marshall County is currently partly cloudy at 31°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 4406 J/kg) — isolated convective development possible. Sunrise: 5:39AM · Sunset: 8:51PM.

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
42 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
5%
4 PM
32°
5%
5 PM
33°
5%
6 PM
33°
5%
7 PM
32°
14%
8 PM
31°
18%
9 PM
29°
18%
10 PM
29°
18%
11 PM
29°
5%
12 AM
28°
8%
1 AM
28°
8%
2 AM
27°
5%
3 AM
27°
8%
4 AM
26°
8%
5 AM
24°
5%
6 AM
24°
5%
7 AM
24°
5%
8 AM
26°
5%
9 AM
27°
5%
10 AM
30°
3%
11 AM
31°
3%
12 PM
31°
3%
1 PM
31°
10%
2 PM
32°
22%
7-Day Forecast
Today
33° 24°
Partly Cloudy.
Tue
34° 24°
Partly Cloudy with a 33% chance of rain.
Wed
34° 23°
Mostly Clear with a 49% chance of rain.
Thu
35° 24°
Mostly Clear with a 52% chance of rain.
Fri
32° 23°
Clear with a 60% chance of rain.
Sat
32° 22°
Thunderstorm, 90% chance.
Sun
30° 19°
Clear with a 60% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 32° Partly Cloudy 5% 20 mph S 73%
4 PM 32° Partly Cloudy 5% 21 mph S 72%
5 PM 33° Partly Cloudy 5% 20 mph S 73%
6 PM 33° Partly Cloudy 5% 19 mph S 74%
7 PM 32° Partly Cloudy 14% 18 mph S 76%
8 PM 31° Partly Cloudy 18% 16 mph SSW 80%
9 PM 29° Mostly Cloudy 18% 14 mph S 83%
10 PM 29° Mostly Cloudy 18% 14 mph S 83%
11 PM 29° Mostly Cloudy 5% 14 mph SSW 82%
12 AM 28° Mostly Cloudy 8% 14 mph SSW 82%
1 AM 28° Mostly Cloudy 8% 14 mph SSW 82%
2 AM 27° Partly Cloudy 5% 14 mph SSW 81%
3 AM 27° Mostly Cloudy 8% 13 mph SSW 81%
4 AM 26° Mostly Cloudy 8% 11 mph SSW 81%
5 AM 24° Mostly Cloudy 5% 10 mph SSW 82%
6 AM 24° Mostly Cloudy 5% 11 mph SSW 83%
7 AM 24° Mostly Cloudy 5% 12 mph SSW 80%
8 AM 26° Mostly Cloudy 5% 13 mph SSW 76%
9 AM 27° Mostly Cloudy 5% 15 mph SSW 71%
10 AM 30° Partly Cloudy 3% 15 mph SSW 67%
11 AM 31° Partly Cloudy 3% 15 mph SSW 65%
12 PM 31° Partly Cloudy 3% 15 mph SSW 63%
1 PM 31° Partly Cloudy 10% 15 mph SSW 62%
2 PM 32° Partly Cloudy 22% 15 mph SSW 62%
15-Day Forecast
Today
6/29
Partly Cloudy
18%
24°
33°
Tue
6/30
Partly Cloudy
33%
24°
34°
Wed
7/1
Mostly Clear
49%
23°
34°
Thu
7/2
Mostly Clear
52%
24°
35°
Fri
7/3
Clear
60%
23°
32°
Sat
7/4
Thunderstorm
90%
22°
32°
Sun
7/5
Clear
60%
19°
30°
Mon
7/6
Clear
60%
19°
30°
Tue
7/7
Drizzle
60%
19°
31°
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
Clear
60%
19°
29°
42
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
42 AQI 7.5 µg/m³
O3
Ground-level ozone
31 AQI 33 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 42 Good 31 42
Wed 75 Moderate 35 75
Thu 61 Moderate 35 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
SBCAPE5189 J/kg
MLCAPE4029 J/kg
MUCAPE5189 J/kg
SBCIN-104 J/kg
MLCIN0 J/kg
Lifted Index-8.7
Kinematics
0–6 km Shear30 kt
0–1 km Shear9 kt
Eff. Shear28 kt
0–1 km SRH37
0–3 km SRH-12
Eff. SRH-12
Storm Motion203° @ 41 kt
0–1 km EHI1.2
Composite Parameters
Sig. Tornado0.8
STP (eff)0.0
Supercell0.0
K-Index30.3
Thermo & Levels
PWAT1.71 in
0–3 km LR5.7 °C/km
700–500 LR7.4 °C/km
Total Totals50.3
LCL888 hPa
LFC714 hPa
EL127 hPa
Freezing Lvl16,030 ft