Excessive Heat Warning — Buchanan, IA, Delaware, IA, Dubuque, IA, Benton, IA, Linn, IA, Jones, IA, Jackson, IA, Iowa, IA, Johnson, IA, Cedar, IA, Clinton, IA, Muscatine, IA, Scott, IA, Keokuk, IA, Washington, IA, Louisa, IA, Jefferson, IA, Henry, IA, Des Moines, IA, Van Buren, IA, Lee, IA, Whiteside, IL, Rock Island, IL, Henry, IL, Bureau, IL, Putnam, IL, Mercer, IL, Henderson, IL, Warren, IL, Hancock, IL, McDonough, IL, Scotland, MO, Clark, MO 9:00 PM Extreme Heat Watch 10:00 PM

Delaware County, Iowa, United States

Last updated: 7:44 AM CDT  ·  Refresh
24°C
Feels like 28°
Fog
▲ 34°  /  ▼ 23°
Wind
6 mph S
Humidity
94%
Dew Point
23°
Pressure
28.82 inHg
Visibility
0 mi
UV Index
2.3
Cloud Cover
88%
Sunrise
5:51 AM
Sunset
8:31 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Delaware County is currently fog at 24°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 4236 J/kg) — isolated convective development possible. Sunrise: 5:51AM · Sunset: 8:31PM.

Alerts

Excessive Heat Warning
Buchanan, IA, Delaware, IA, Dubuque, IA, Benton, IA, Linn, IA, Jones, IA, Jackson, IA, Iowa, IA, Johnson, IA, Cedar, IA, Clinton, IA, Muscatine, IA, Scott, IA, Keokuk, IA, Washington, IA, Louisa, IA, Jefferson, IA, Henry, IA, Des Moines, IA, Van Buren, IA, Lee, IA, Whiteside, IL, Rock Island, IL, Henry, IL, Bureau, IL, Putnam, IL, Mercer, IL, Henderson, IL, Warren, IL, Hancock, IL, McDonough, IL, Scotland, MO, Clark, MO
Expires 9:00 PM
Extreme Heat Watch
Expires 10:00 PM
55 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
11%
8 AM
25°
32%
9 AM
27°
29%
10 AM
28°
30%
11 AM
29°
29%
12 PM
31°
9%
1 PM
32°
4%
2 PM
33°
4%
3 PM
33°
4%
4 PM
33°
5%
5 PM
34°
5%
6 PM
33°
5%
7 PM
32°
5%
8 PM
31°
14%
9 PM
29°
14%
10 PM
28°
27%
11 PM
28°
27%
12 AM
27°
28%
1 AM
26°
37%
2 AM
25°
38%
3 AM
24°
34%
4 AM
24°
35%
5 AM
24°
36%
6 AM
24°
37%
7-Day Forecast
Today
34° 23°
Mostly Cloudy with a 30% chance of rain.
Mon
34° 23°
Mostly Clear with a 41% chance of rain.
Tue
29° 20°
Mostly Clear.
Wed
28° 18°
Partly Cloudy with a 47% chance of rain.
Thu
28° 17°
Clear with a 30% chance of rain.
Fri
26° 19°
Rain, 82% chance.
Sat
27° 17°
Rain, 52% chance.
TimeTempConditionsPrecipWindHumidity
Now 24° Fog 11% 6 mph S 94%
8 AM 25° Mostly Cloudy 32% 5 mph S 91%
9 AM 27° Partly Cloudy 29% 6 mph S 88%
10 AM 28° Partly Cloudy 30% 5 mph SSW 85%
11 AM 29° Partly Cloudy 29% 5 mph SSW 80%
12 PM 31° Partly Cloudy 9% 6 mph SW 74%
1 PM 32° Partly Cloudy 4% 6 mph SW 70%
2 PM 33° Partly Cloudy 4% 6 mph SW 68%
3 PM 33° Partly Cloudy 4% 6 mph SW 66%
4 PM 33° Mostly Cloudy 5% 6 mph SW 67%
5 PM 34° Partly Cloudy 5% 5 mph SW 69%
6 PM 33° Mostly Cloudy 5% 4 mph SSW 73%
7 PM 32° Mostly Cloudy 5% 4 mph S 79%
8 PM 31° Mostly Cloudy 14% 6 mph SSE 84%
9 PM 29° Mostly Cloudy 14% 7 mph SSE 88%
10 PM 28° Partly Cloudy 27% 6 mph SSE 89%
11 PM 28° Partly Cloudy 27% 6 mph SE 88%
12 AM 27° Partly Cloudy 28% 7 mph SE 87%
1 AM 26° Partly Cloudy 37% 7 mph SE 88%
2 AM 25° Partly Cloudy 38% 7 mph SSE 90%
3 AM 24° Partly Cloudy 34% 8 mph S 92%
4 AM 24° Partly Cloudy 35% 8 mph S 92%
5 AM 24° Mostly Clear 36% 9 mph S 92%
6 AM 24° Mostly Clear 37% 9 mph S 91%
15-Day Forecast
Today
7/26
Mostly Cloudy
30%
23°
34°
Mon
7/27
Mostly Clear
41%
23°
34°
Tue
7/28
Mostly Clear
14%
20°
29°
Wed
7/29
Partly Cloudy
47%
18°
28°
Thu
7/30
Clear
30%
17°
28°
Fri
7/31
Rain
82%
19°
26°
Sat
8/1
Rain
52%
17°
27°
Sun
8/2
Clear
8%
17°
28°
Mon
8/3
Clear
19%
17°
29°
Tue
8/4
Drizzle
51%
19°
30°
Wed
8/5
Drizzle
60%
17°
29°
Thu
8/6
Drizzle
60%
17°
27°
Fri
8/7
Drizzle
60%
17°
28°
Sat
8/8
Drizzle
60%
18°
29°
Sun
8/9
Drizzle
60%
18°
30°
55
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
55 AQI 11.1 µg/m³
O3
Ground-level ozone
33 AQI 37 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 55 Moderate 33 55
Tue 48 Good 36 48
Wed 57 Moderate 35 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 Sun Jul 26, 11:00'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
SBCAPE1888 J/kg
MLCAPE2603 J/kg
MUCAPE2979 J/kg
SBCIN-293 J/kg
MLCIN0 J/kg
Lifted Index-5.5
Kinematics
0–6 km Shear25 kt
0–1 km Shear27 kt
Eff. Shear35 kt
0–1 km SRH-245
0–3 km SRH-439
Eff. SRH-450
Storm Motion273° @ 31 kt
0–1 km EHI-2.9
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index30.2
Thermo & Levels
PWAT1.76 in
0–3 km LR4.3 °C/km
700–500 LR7.0 °C/km
Total Totals48.4
LCL963 hPa
LFC690 hPa
EL186 hPa
Freezing Lvl14,954 ft