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

Webster County, Iowa, United States

Last updated: 3:28 PM CDT  ·  Refresh
32°C
Feels like 39°
Partly Cloudy
▲ 33°  /  ▼ 24°
Wind
20 mph S
Humidity
70%
Dew Point
25°
Pressure
28.52 inHg
Visibility
10 mi
UV Index
8.4
Cloud Cover
39%
Sunrise
5:42 AM
Sunset
8:57 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Webster County is currently partly cloudy at 31°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 4515 J/kg) — isolated convective development possible. Sunrise: 5:42AM · Sunset: 8:57PM.

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
43 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
32°
5%
4 PM
32°
21%
5 PM
33°
21%
6 PM
33°
25%
7 PM
32°
30%
8 PM
31°
30%
9 PM
29°
34%
10 PM
29°
13%
11 PM
29°
13%
12 AM
29°
8%
1 AM
28°
17%
2 AM
28°
17%
3 AM
27°
21%
4 AM
26°
17%
5 AM
24°
13%
6 AM
24°
5%
7 AM
24°
5%
8 AM
25°
5%
9 AM
27°
5%
10 AM
29°
5%
11 AM
30°
5%
12 PM
31°
5%
1 PM
32°
13%
2 PM
32°
18%
7-Day Forecast
Today
33° 24°
Partly Cloudy with a 34% chance of rain.
Tue
34° 24°
Partly Cloudy with a 40% chance of rain.
Wed
34° 23°
Partly Cloudy with a 67% chance of rain.
Thu
33° 24°
Partly Cloudy with a 71% chance of rain.
Fri
33° 23°
Clear with a 60% chance of rain.
Sat
33° 21°
Thunderstorm, 90% chance.
Sun
31° 19°
Rain, 81% chance.
TimeTempConditionsPrecipWindHumidity
Now 32° Partly Cloudy 5% 20 mph S 70%
4 PM 32° Partly Cloudy 21% 21 mph S 69%
5 PM 33° Partly Cloudy 21% 20 mph S 71%
6 PM 33° Partly Cloudy 25% 18 mph S 73%
7 PM 32° Partly Cloudy 30% 16 mph S 75%
8 PM 31° Partly Cloudy 30% 15 mph S 78%
9 PM 29° Mostly Cloudy 34% 14 mph S 79%
10 PM 29° Mostly Cloudy 13% 14 mph S 80%
11 PM 29° Mostly Cloudy 13% 15 mph S 80%
12 AM 29° Partly Cloudy 8% 16 mph SSW 79%
1 AM 28° Partly Cloudy 17% 15 mph SSW 78%
2 AM 28° Partly Cloudy 17% 13 mph SSW 78%
3 AM 27° Partly Cloudy 21% 10 mph SW 79%
4 AM 26° Partly Cloudy 17% 7 mph SSW 80%
5 AM 24° Partly Cloudy 13% 8 mph S 81%
6 AM 24° Mostly Cloudy 5% 10 mph S 81%
7 AM 24° Mostly Cloudy 5% 12 mph S 78%
8 AM 25° Mostly Cloudy 5% 13 mph S 74%
9 AM 27° Mostly Cloudy 5% 14 mph SSW 70%
10 AM 29° Mostly Cloudy 5% 14 mph SSW 65%
11 AM 30° Partly Cloudy 5% 14 mph SSW 62%
12 PM 31° Partly Cloudy 5% 14 mph SSW 59%
1 PM 32° Partly Cloudy 13% 14 mph SSW 58%
2 PM 32° Partly Cloudy 18% 14 mph SSW 57%
15-Day Forecast
Today
6/29
Partly Cloudy
34%
24°
33°
Tue
6/30
Partly Cloudy
40%
24°
34°
Wed
7/1
Partly Cloudy
67%
23°
34°
Thu
7/2
Partly Cloudy
71%
24°
33°
Fri
7/3
Clear
60%
23°
33°
Sat
7/4
Thunderstorm
90%
21°
33°
Sun
7/5
Rain
81%
19°
31°
Mon
7/6
Clear
60%
19°
31°
Tue
7/7
Drizzle
60%
19°
31°
Wed
7/8
Drizzle
60%
19°
33°
Thu
7/9
Drizzle
60%
19°
31°
Fri
7/10
Drizzle
60%
19°
31°
Sat
7/11
Clear
60%
18°
30°
Sun
7/12
Drizzle
60%
18°
31°
Mon
7/13
Clear
60%
19°
31°
43
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
43 AQI 7.7 µg/m³
O3
Ground-level ozone
32 AQI 35 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 43 Good 32 43
Wed 68 Moderate 41 68
Thu 57 Moderate 34 57
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 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE5376 J/kg
MLCAPE4298 J/kg
MUCAPE5376 J/kg
SBCIN-0 J/kg
MLCIN0 J/kg
Lifted Index-9.7
Kinematics
0–6 km Shear39 kt
0–1 km Shear12 kt
Eff. Shear33 kt
0–1 km SRH53
0–3 km SRH7
Eff. SRH7
Storm Motion201° @ 44 kt
0–1 km EHI1.8
Composite Parameters
Sig. Tornado1.5
STP (eff)0.2
Supercell0.7
K-Index31.4
Thermo & Levels
PWAT1.64 in
0–3 km LR5.9 °C/km
700–500 LR7.7 °C/km
Total Totals51.1
LCL878 hPa
LFC947 hPa
EL125 hPa
Freezing Lvl15,023 ft