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

Marshall County, Iowa, United States

Last updated: 10:16 AM CDT  ·  Refresh
27°C
Feels like 30°
Mostly Cloudy
▲ 34°  /  ▼ 24°
Wind
3 mph SSW
Humidity
77%
Dew Point
23°
Pressure
28.86 inHg
Visibility
10 mi
UV Index
4.6
Cloud Cover
83%
Sunrise
5:59 AM
Sunset
8:36 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Marshall County is currently mostly cloudy at 27°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 4656 J/kg) — isolated convective development possible. Sunrise: 5:59AM · Sunset: 8:36PM.

Alerts

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
52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
3%
11 AM
28°
14%
12 PM
29°
14%
1 PM
32°
3%
2 PM
33°
3%
3 PM
34°
3%
4 PM
34°
3%
5 PM
34°
3%
6 PM
33°
3%
7 PM
32°
3%
8 PM
31°
5%
9 PM
30°
8%
10 PM
29°
8%
11 PM
28°
8%
12 AM
28°
8%
1 AM
27°
8%
2 AM
27°
9%
3 AM
26°
9%
4 AM
26°
18%
5 AM
24°
19%
6 AM
24°
19%
7 AM
24°
19%
8 AM
26°
19%
9 AM
28°
15%
7-Day Forecast
Today
34° 24°
Mostly Cloudy.
Mon
35° 23°
Clear.
Tue
29° 21°
Overcast with a 31% chance of rain.
Wed
29° 18°
Partly Cloudy with a 47% chance of rain.
Thu
29° 18°
Rain, 71% chance.
Fri
28° 19°
Rain, 82% chance.
Sat
28° 18°
Clear with a 30% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 27° Mostly Cloudy 3% 3 mph SSW 77%
11 AM 28° Mostly Cloudy 14% 4 mph SSW 74%
12 PM 29° Mostly Cloudy 14% 4 mph S 72%
1 PM 32° Mostly Cloudy 3% 5 mph S 67%
2 PM 33° Overcast 3% 6 mph S 66%
3 PM 34° Overcast 3% 6 mph S 66%
4 PM 34° Overcast 3% 7 mph SSE 67%
5 PM 34° Mostly Cloudy 3% 6 mph SE 70%
6 PM 33° Partly Cloudy 3% 6 mph SE 74%
7 PM 32° Partly Cloudy 3% 6 mph SE 76%
8 PM 31° Mostly Cloudy 5% 7 mph SSE 75%
9 PM 30° Mostly Cloudy 8% 8 mph SSE 73%
10 PM 29° Mostly Cloudy 8% 8 mph S 72%
11 PM 28° Partly Cloudy 8% 9 mph S 72%
12 AM 28° Partly Cloudy 8% 10 mph SSW 72%
1 AM 27° Partly Cloudy 8% 10 mph SSW 73%
2 AM 27° Partly Cloudy 9% 9 mph SSW 75%
3 AM 26° Partly Cloudy 9% 8 mph SSW 77%
4 AM 26° Partly Cloudy 18% 8 mph S 80%
5 AM 24° Partly Cloudy 19% 8 mph S 81%
6 AM 24° Partly Cloudy 19% 8 mph S 83%
7 AM 24° Partly Cloudy 19% 8 mph S 83%
8 AM 26° Partly Cloudy 19% 8 mph SSW 81%
9 AM 28° Mostly Clear 15% 8 mph SSW 78%
15-Day Forecast
Today
7/26
Mostly Cloudy
8%
24°
34°
Mon
7/27
Clear
18%
23°
35°
Tue
7/28
Overcast
31%
21°
29°
Wed
7/29
Partly Cloudy
47%
18°
29°
Thu
7/30
Rain
71%
18°
29°
Fri
7/31
Rain
82%
19°
28°
Sat
8/1
Clear
30%
18°
28°
Sun
8/2
Clear
18%
18°
29°
Mon
8/3
Clear
44%
19°
32°
Tue
8/4
Drizzle
51%
21°
32°
Wed
8/5
Drizzle
60%
18°
30°
Thu
8/6
Clear
60%
18°
29°
Fri
8/7
Drizzle
60%
17°
30°
Sat
8/8
Drizzle
60%
18°
31°
Sun
8/9
Drizzle
60%
18°
31°
52
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
52 AQI 10.0 µg/m³
O3
Ground-level ozone
38 AQI 41 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 52 Moderate 38 52
Tue 52 Moderate 39 52
Wed 54 Moderate 35 54
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, 14:00'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
SBCAPE2243 J/kg
MLCAPE329 J/kg
MUCAPE2243 J/kg
SBCIN-413 J/kg
MLCIN0 J/kg
Lifted Index-6.3
Kinematics
0–6 km Shear25 kt
0–1 km Shear6 kt
Eff. Shear—
0–1 km SRH-30
0–3 km SRH-103
Eff. SRH—
Storm Motion268° @ 27 kt
0–1 km EHI-0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index25.0
Thermo & Levels
PWAT1.50 in
0–3 km LR4.9 °C/km
700–500 LR7.3 °C/km
Total Totals43.5
LCL922 hPa
LFC688 hPa
EL168 hPa
Freezing Lvl14,403 ft