Heat Advisory — 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 12:00 PM 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 Extreme Heat Watch 10:00 PM

Story County, Iowa, United States

Last updated: 10:11 AM CDT  ·  Refresh
27°C
Feels like 29°
Mostly Cloudy
▲ 35°  /  ▼ 23°
Wind
3 mph SSW
Humidity
77%
Dew Point
23°
Pressure
28.84 inHg
Visibility
10 mi
UV Index
5.7
Cloud Cover
72%
Sunrise
6:01 AM
Sunset
8:38 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Story County is currently mostly cloudy at 27°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 4854 J/kg) — isolated convective development possible. Sunrise: 6:01AM · Sunset: 8:38PM.

Alerts

Heat Advisory
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
Expires 12:00 PM
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
Extreme Heat Watch
Expires 10:00 PM
53 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
3%
11 AM
29°
14%
12 PM
31°
7%
1 PM
33°
3%
2 PM
34°
3%
3 PM
35°
3%
4 PM
35°
3%
5 PM
35°
3%
6 PM
34°
3%
7 PM
33°
3%
8 PM
32°
8%
9 PM
31°
8%
10 PM
29°
8%
11 PM
28°
8%
12 AM
28°
8%
1 AM
28°
8%
2 AM
27°
9%
3 AM
26°
9%
4 AM
26°
18%
5 AM
26°
19%
6 AM
24°
19%
7 AM
24°
15%
8 AM
25°
15%
9 AM
26°
17%
7-Day Forecast
Today
35° 23°
Partly Cloudy.
Mon
36° 23°
Clear.
Tue
31° 21°
Overcast with a 32% chance of rain.
Wed
30° 19°
Mostly Clear with a 47% chance of rain.
Thu
30° 19°
Rain, 71% chance.
Fri
28° 19°
Heavy 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 29° Mostly Cloudy 14% 4 mph SSW 72%
12 PM 31° Mostly Cloudy 7% 5 mph SSW 68%
1 PM 33° Mostly Cloudy 3% 5 mph SSW 65%
2 PM 34° Mostly Cloudy 3% 5 mph S 66%
3 PM 35° Mostly Cloudy 3% 7 mph SSE 67%
4 PM 35° Partly Cloudy 3% 8 mph SE 67%
5 PM 35° Partly Cloudy 3% 7 mph SE 68%
6 PM 34° Partly Cloudy 3% 7 mph SE 71%
7 PM 33° Mostly Clear 3% 7 mph SE 74%
8 PM 32° Mostly Cloudy 8% 8 mph SSE 72%
9 PM 31° Mostly Cloudy 8% 8 mph SSE 68%
10 PM 29° Overcast 8% 9 mph S 65%
11 PM 28° Mostly Cloudy 8% 8 mph S 66%
12 AM 28° Mostly Cloudy 8% 8 mph SSW 67%
1 AM 28° Mostly Cloudy 8% 9 mph SSW 69%
2 AM 27° Partly Cloudy 9% 7 mph SSW 72%
3 AM 26° Partly Cloudy 9% 7 mph SSW 75%
4 AM 26° Mostly Clear 18% 8 mph SSW 78%
5 AM 26° Mostly Clear 19% 7 mph S 81%
6 AM 24° Mostly Clear 19% 7 mph S 84%
7 AM 24° Mostly Clear 15% 7 mph S 85%
8 AM 25° Mostly Clear 15% 6 mph S 83%
9 AM 26° Clear 17% 6 mph SSW 80%
15-Day Forecast
Today
7/26
Partly Cloudy
8%
23°
35°
Mon
7/27
Clear
18%
23°
36°
Tue
7/28
Overcast
32%
21°
31°
Wed
7/29
Mostly Clear
47%
19°
30°
Thu
7/30
Rain
71%
19°
30°
Fri
7/31
Heavy Rain
82%
19°
28°
Sat
8/1
Clear
30%
18°
28°
Sun
8/2
Clear
18%
18°
30°
Mon
8/3
Drizzle
44%
18°
32°
Tue
8/4
Drizzle
68%
21°
33°
Wed
8/5
Drizzle
60%
18°
31°
Thu
8/6
Clear
60%
17°
29°
Fri
8/7
Drizzle
60%
17°
31°
Sat
8/8
Drizzle
60%
18°
32°
Sun
8/9
Drizzle
60%
18°
32°
53
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
53 AQI 10.5 µg/m³
O3
Ground-level ozone
39 AQI 42 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 53 Moderate 39 53
Tue 53 Moderate 33 53
Wed 55 Moderate 35 55
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, 13:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE2253 J/kg
MLCAPE307 J/kg
MUCAPE2253 J/kg
SBCIN-488 J/kg
MLCIN0 J/kg
Lifted Index-6.9
Kinematics
0–6 km Shear24 kt
0–1 km Shear4 kt
Eff. Shear—
0–1 km SRH-14
0–3 km SRH-90
Eff. SRH—
Storm Motion264° @ 26 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index27.0
Thermo & Levels
PWAT1.47 in
0–3 km LR4.7 °C/km
700–500 LR7.6 °C/km
Total Totals46.4
LCL928 hPa
LFC684 hPa
EL168 hPa
Freezing Lvl14,544 ft