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: 8:56 AM CDT  ·  Refresh
25°C
Feels like 29°
Fog
▲ 33°  /  ▼ 23°
Wind
6 mph S
Humidity
92%
Dew Point
24°
Pressure
28.82 inHg
Visibility
1 mi
UV Index
4.1
Cloud Cover
79%
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 25°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 4234 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
25°
22%
9 AM
27°
29%
10 AM
28°
29%
11 AM
29°
28%
12 PM
31°
3%
1 PM
32°
4%
2 PM
33°
4%
3 PM
33°
4%
4 PM
33°
8%
5 PM
33°
8%
6 PM
33°
8%
7 PM
32°
8%
8 PM
31°
13%
9 PM
28°
14%
10 PM
28°
27%
11 PM
27°
27%
12 AM
27°
27%
1 AM
26°
37%
2 AM
24°
37%
3 AM
24°
33%
4 AM
24°
35%
5 AM
24°
35%
6 AM
24°
36%
7 AM
25°
37%
7-Day Forecast
Today
33° 23°
Partly Cloudy with a 28% chance of rain.
Mon
34° 23°
Partly Cloudy with a 37% chance of rain.
Tue
29° 19°
Mostly Clear.
Wed
28° 17°
Partly Cloudy with a 39% chance of rain.
Thu
28° 17°
Clear with a 30% chance of rain.
Fri
24° 18°
Rain, 82% chance.
Sat
27° 18°
Rain, 52% chance.
TimeTempConditionsPrecipWindHumidity
Now 25° Fog 22% 6 mph S 92%
9 AM 27° Partly Cloudy 29% 5 mph S 87%
10 AM 28° Mostly Clear 29% 5 mph SSW 84%
11 AM 29° Mostly Clear 28% 5 mph SSW 78%
12 PM 31° Partly Cloudy 3% 6 mph SW 72%
1 PM 32° Partly Cloudy 4% 6 mph SW 69%
2 PM 33° Partly Cloudy 4% 6 mph WSW 67%
3 PM 33° Partly Cloudy 4% 6 mph SW 65%
4 PM 33° Mostly Cloudy 8% 6 mph SW 67%
5 PM 33° Partly Cloudy 8% 5 mph SW 70%
6 PM 33° Partly Cloudy 8% 4 mph S 74%
7 PM 32° Mostly Cloudy 8% 4 mph SSE 80%
8 PM 31° Partly Cloudy 13% 6 mph SSE 84%
9 PM 28° Partly Cloudy 14% 7 mph SSE 89%
10 PM 28° Partly Cloudy 27% 6 mph SSE 89%
11 PM 27° Partly Cloudy 27% 7 mph SE 88%
12 AM 27° Partly Cloudy 27% 8 mph SE 87%
1 AM 26° Partly Cloudy 37% 7 mph SSE 89%
2 AM 24° Partly Cloudy 37% 7 mph SSE 91%
3 AM 24° Partly Cloudy 33% 9 mph S 92%
4 AM 24° Partly Cloudy 35% 9 mph S 92%
5 AM 24° Mostly Clear 35% 9 mph S 92%
6 AM 24° Mostly Clear 36% 9 mph S 91%
7 AM 25° Mostly Clear 37% 9 mph S 90%
15-Day Forecast
Today
7/26
Partly Cloudy
28%
23°
33°
Mon
7/27
Partly Cloudy
37%
23°
34°
Tue
7/28
Mostly Clear
7%
19°
29°
Wed
7/29
Partly Cloudy
39%
17°
28°
Thu
7/30
Clear
30%
17°
28°
Fri
7/31
Rain
82%
18°
24°
Sat
8/1
Rain
52%
18°
27°
Sun
8/2
Drizzle
42%
17°
28°
Mon
8/3
Drizzle
44%
18°
29°
Tue
8/4
Drizzle
51%
19°
31°
Wed
8/5
Drizzle
60%
17°
28°
Thu
8/6
Drizzle
60%
16°
27°
Fri
8/7
Drizzle
60%
16°
28°
Sat
8/8
Drizzle
60%
17°
28°
Sun
8/9
Drizzle
60%
17°
29°
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
SBCAPE2445 J/kg
MLCAPE2649 J/kg
MUCAPE2888 J/kg
SBCIN-240 J/kg
MLCIN0 J/kg
Lifted Index-6.8
Kinematics
0–6 km Shear26 kt
0–1 km Shear23 kt
Eff. Shear29 kt
0–1 km SRH-233
0–3 km SRH-485
Eff. SRH-485
Storm Motion274° @ 32 kt
0–1 km EHI-3.6
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index29.9
Thermo & Levels
PWAT1.75 in
0–3 km LR4.5 °C/km
700–500 LR7.1 °C/km
Total Totals48.4
LCL958 hPa
LFC704 hPa
EL171 hPa
Freezing Lvl14,839 ft