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: 4:47 PM CDT  ·  Refresh
31°C
Feels like 41°
Partly Cloudy
▲ 33°  /  ▼ 24°
Wind
20 mph S
Humidity
75%
Dew Point
25°
Pressure
28.73 inHg
Visibility
10 mi
UV Index
6.8
Cloud Cover
50%
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 4611 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
31°
5%
5 PM
33°
25%
6 PM
32°
25%
7 PM
32°
25%
8 PM
31°
34%
9 PM
29°
34%
10 PM
29°
38%
11 PM
28°
21%
12 AM
28°
22%
1 AM
27°
8%
2 AM
27°
5%
3 AM
26°
8%
4 AM
26°
8%
5 AM
24°
8%
6 AM
24°
5%
7 AM
25°
5%
8 AM
26°
5%
9 AM
28°
5%
10 AM
28°
3%
11 AM
31°
3%
12 PM
32°
3%
1 PM
32°
10%
2 PM
32°
21%
3 PM
32°
22%
7-Day Forecast
Today
33° 24°
Partly Cloudy with a 38% chance of rain.
Tue
33° 24°
Partly Cloudy with a 40% chance of rain.
Wed
33° 24°
Partly Cloudy with a 49% chance of rain.
Thu
32° 24°
Partly Cloudy with a 52% chance of rain.
Fri
32° 22°
Thunderstorm, 60% chance.
Sat
32° 21°
Thunderstorm, 90% chance.
Sun
29° 19°
Overcast with a 60% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 31° Partly Cloudy 5% 20 mph S 75%
5 PM 33° Partly Cloudy 25% 20 mph S 74%
6 PM 32° Partly Cloudy 25% 19 mph S 75%
7 PM 32° Partly Cloudy 25% 17 mph S 77%
8 PM 31° Partly Cloudy 34% 15 mph S 80%
9 PM 29° Mostly Cloudy 34% 13 mph S 82%
10 PM 29° Mostly Cloudy 38% 12 mph S 84%
11 PM 28° Mostly Cloudy 21% 13 mph SSW 83%
12 AM 28° Overcast 22% 13 mph SSW 83%
1 AM 27° Overcast 8% 13 mph SSW 82%
2 AM 27° Mostly Cloudy 5% 13 mph SSW 82%
3 AM 26° Partly Cloudy 8% 13 mph SSW 81%
4 AM 26° Partly Cloudy 8% 11 mph SSW 82%
5 AM 24° Partly Cloudy 8% 9 mph SSW 83%
6 AM 24° Partly Cloudy 5% 10 mph SSW 84%
7 AM 25° Partly Cloudy 5% 12 mph SSW 80%
8 AM 26° Mostly Cloudy 5% 14 mph SSW 76%
9 AM 28° Mostly Cloudy 5% 15 mph SSW 71%
10 AM 28° Partly Cloudy 3% 16 mph SSW 67%
11 AM 31° Partly Cloudy 3% 16 mph SSW 64%
12 PM 32° Partly Cloudy 3% 16 mph SSW 62%
1 PM 32° Partly Cloudy 10% 16 mph SSW 62%
2 PM 32° Partly Cloudy 21% 16 mph SSW 62%
3 PM 32° Partly Cloudy 22% 15 mph SSW 62%
15-Day Forecast
Today
6/29
Partly Cloudy
38%
24°
33°
Tue
6/30
Partly Cloudy
40%
24°
33°
Wed
7/1
Partly Cloudy
49%
24°
33°
Thu
7/2
Partly Cloudy
52%
24°
32°
Fri
7/3
Thunderstorm
60%
22°
32°
Sat
7/4
Thunderstorm
90%
21°
32°
Sun
7/5
Overcast
60%
19°
29°
Mon
7/6
Overcast
60%
19°
29°
Tue
7/7
Drizzle
60%
19°
29°
Wed
7/8
Drizzle
60%
19°
31°
Thu
7/9
Drizzle
60%
19°
29°
Fri
7/10
Drizzle
60%
19°
29°
Sat
7/11
Drizzle
60%
18°
28°
Sun
7/12
Drizzle
60%
18°
28°
Mon
7/13
Drizzle
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, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE5530 J/kg
MLCAPE4853 J/kg
MUCAPE5530 J/kg
SBCIN-2 J/kg
MLCIN0 J/kg
Lifted Index-9.0
Kinematics
0–6 km Shear28 kt
0–1 km Shear12 kt
Eff. Shear22 kt
0–1 km SRH50
0–3 km SRH-3
Eff. SRH-3
Storm Motion207° @ 41 kt
0–1 km EHI1.7
Composite Parameters
Sig. Tornado1.1
STP (eff)0.0
Supercell0.0
K-Index33.3
Thermo & Levels
PWAT1.89 in
0–3 km LR5.8 °C/km
700–500 LR7.3 °C/km
Total Totals51.8
LCL893 hPa
LFC884 hPa
EL125 hPa
Freezing Lvl16,214 ft