Heat Advisory — Iowa, IA, Johnson, IA, Cedar, IA, Muscatine, IA, Scott, IA, Keokuk, IA, Washington, IA, Louisa, IA, Jefferson, IA, Henry, IA, Des Moines, IA, Van Buren, IA, Lee, IA, Rock Island, IL, Henry, IL, Mercer, IL, Henderson, IL, Warren, IL, Hancock, IL, McDonough, IL, Scotland, MO, Clark, MO 7:00 PM

Iowa County, Iowa, United States

Last updated: 12:06 AM CDT  ·  Refresh
26°C
Feels like 26°
Mostly Clear
▲ 33°  /  ▼ 21°
Wind
12 mph S
Humidity
66%
Dew Point
20°
Pressure
29.00 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
28%
Sunrise
6:33 AM
Sunset
7:42 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Iowa County is currently mostly clear at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2964 J/kg) — isolated convective development possible. Sunrise: 6:33AM · Sunset: 7:42PM.

Alerts

Heat Advisory
Iowa, IA, Johnson, IA, Cedar, IA, Muscatine, IA, Scott, IA, Keokuk, IA, Washington, IA, Louisa, IA, Jefferson, IA, Henry, IA, Des Moines, IA, Van Buren, IA, Lee, IA, Rock Island, IL, Henry, IL, Mercer, IL, Henderson, IL, Warren, IL, Hancock, IL, McDonough, IL, Scotland, MO, Clark, MO
Expires 7:00 PM
60 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
18%
1 AM
25°
17%
2 AM
24°
17%
3 AM
24°
17%
4 AM
23°
17%
5 AM
23°
14%
6 AM
22°
14%
7 AM
22°
17%
8 AM
24°
26%
9 AM
26°
30%
10 AM
26°
12%
11 AM
27°
9%
12 PM
29°
9%
1 PM
30°
8%
2 PM
31°
9%
3 PM
31°
14%
4 PM
31°
32%
5 PM
30°
32%
6 PM
31°
18%
7 PM
30°
18%
8 PM
29°
22%
9 PM
28°
22%
10 PM
27°
20%
11 PM
25°
22%
7-Day Forecast
Today
33° 21°
Mostly Cloudy with a 30% chance of rain.
Tue
37° 21°
Mostly Clear with a 22% chance of rain.
Wed
36° 22°
Mostly Clear with a 32% chance of rain.
Thu
37° 19°
Partly Cloudy with a 58% chance of rain.
Fri
37° 23°
Mostly Clear with a 22% chance of rain.
Sat
36° 22°
Clear with a 32% chance of rain.
Sun
33° 21°
Partly Cloudy with a 24% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 26° Mostly Clear 18% 12 mph S 66%
1 AM 25° Mostly Cloudy 17% 13 mph S 61%
2 AM 24° Mostly Cloudy 17% 12 mph S 64%
3 AM 24° Mostly Cloudy 17% 11 mph S 68%
4 AM 23° Mostly Cloudy 17% 11 mph SSW 70%
5 AM 23° Mostly Cloudy 14% 11 mph SSW 71%
6 AM 22° Partly Cloudy 14% 11 mph SSW 72%
7 AM 22° Partly Cloudy 17% 11 mph SSW 71%
8 AM 24° Partly Cloudy 26% 12 mph SSW 68%
9 AM 26° Partly Cloudy 30% 13 mph SW 63%
10 AM 26° Mostly Clear 12% 14 mph SW 60%
11 AM 27° Partly Cloudy 9% 12 mph SW 55%
12 PM 29° Mostly Cloudy 9% 11 mph WSW 51%
1 PM 30° Mostly Cloudy 8% 10 mph WSW 47%
2 PM 31° Mostly Cloudy 9% 8 mph SW 46%
3 PM 31° Mostly Cloudy 14% 8 mph SW 46%
4 PM 31° Mostly Cloudy 32% 7 mph SW 47%
5 PM 30° Mostly Cloudy 32% 5 mph SW 54%
6 PM 31° Mostly Cloudy 18% 5 mph SW 61%
7 PM 30° Mostly Cloudy 18% 5 mph SW 67%
8 PM 29° Mostly Cloudy 22% 5 mph SSW 69%
9 PM 28° Partly Cloudy 22% 5 mph S 71%
10 PM 27° Partly Cloudy 20% 6 mph S 72%
11 PM 25° Partly Cloudy 22% 5 mph S 73%
15-Day Forecast
Today
8/31
Mostly Cloudy
30%
21°
33°
Tue
9/1
Mostly Clear
22%
21°
37°
Wed
9/2
Mostly Clear
32%
22°
36°
Thu
9/3
Partly Cloudy
58%
19°
37°
Fri
9/4
Mostly Clear
22%
23°
37°
Sat
9/5
Clear
32%
22°
36°
Sun
9/6
Partly Cloudy
24%
21°
33°
Mon
9/7
Drizzle
46%
19°
34°
Tue
9/8
Clear
35%
17°
28°
Wed
9/9
Clear
24%
16°
29°
Thu
9/10
Drizzle
60%
18°
30°
Fri
9/11
Drizzle
60%
17°
29°
Sat
9/12
Drizzle
60%
17°
29°
Sun
9/13
Drizzle
60%
17°
31°
Mon
9/14
Drizzle
60%
16°
28°
60
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
60 AQI 13.9 µg/m³
O3
Ground-level ozone
46 AQI 50 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 60 Moderate 46 60
Tue 62 Moderate 39 62
Wed 64 Moderate 45 64
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 Aug 31, 03:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE134 J/kg
MLCAPE364 J/kg
MUCAPE1612 J/kg
SBCIN-644 J/kg
MLCIN-442 J/kg
Lifted Index-1.4
Kinematics
0–6 km Shear30 kt
0–1 km Shear29 kt
Eff. Shear—
0–1 km SRH325
0–3 km SRH415
Eff. SRH—
Storm Motion281° @ 18 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.2
STP (eff)—
Supercell—
K-Index31.2
Thermo & Levels
PWAT1.81 in
0–3 km LR4.5 °C/km
700–500 LR7.0 °C/km
Total Totals46.0
LCL898 hPa
LFC577 hPa
EL255 hPa
Freezing Lvl15,433 ft