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

Dubuque, Iowa

Last updated: 7:44 AM CDT  ·  Refresh
24°C
Feels like 28°
Overcast
▲ 35°  /  ▼ 22°
Wind
3 mph SSE
Humidity
94%
Dew Point
23°
Pressure
29.06 inHg
Visibility
5 mi
UV Index
2.3
Cloud Cover
88%
Sunrise
5:48 AM
Sunset
8:28 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Dubuque is currently overcast at 24°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3652 J/kg) — isolated convective development possible. Sunrise: 5:48AM · Sunset: 8:28PM.

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
56 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
13%
8 AM
25°
31%
9 AM
26°
20%
10 AM
28°
30%
11 AM
29°
29%
12 PM
31°
22%
1 PM
33°
9%
2 PM
33°
9%
3 PM
34°
9%
4 PM
34°
26%
5 PM
35°
29%
6 PM
34°
30%
7 PM
33°
31%
8 PM
31°
31%
9 PM
29°
32%
10 PM
28°
45%
11 PM
28°
46%
12 AM
27°
46%
1 AM
26°
47%
2 AM
25°
48%
3 AM
24°
48%
4 AM
24°
49%
5 AM
24°
36%
6 AM
23°
37%
7-Day Forecast
Today
35° 22°
Partly Cloudy with a 45% chance of rain.
Mon
34° 22°
Mostly Clear with a 47% chance of rain.
Tue
29° 19°
Clear.
Wed
28° 18°
Drizzle, 47% chance.
Thu
28° 18°
Drizzle, 51% chance.
Fri
26° 19°
Rain, 71% chance.
Sat
28° 17°
Clear with a 63% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 24° Overcast 13% 3 mph SSE 94%
8 AM 25° Mostly Cloudy 31% 5 mph S 87%
9 AM 26° Partly Cloudy 20% 4 mph S 81%
10 AM 28° Partly Cloudy 30% 4 mph SSW 77%
11 AM 29° Mostly Clear 29% 4 mph SW 74%
12 PM 31° Mostly Clear 22% 5 mph WSW 70%
1 PM 33° Partly Cloudy 9% 6 mph WSW 67%
2 PM 33° Partly Cloudy 9% 6 mph WSW 64%
3 PM 34° Partly Cloudy 9% 7 mph WSW 62%
4 PM 34° Partly Cloudy 26% 6 mph WSW 63%
5 PM 35° Partly Cloudy 29% 6 mph WSW 65%
6 PM 34° Partly Cloudy 30% 5 mph SW 68%
7 PM 33° Partly Cloudy 31% 5 mph SSW 74%
8 PM 31° Partly Cloudy 31% 4 mph S 81%
9 PM 29° Partly Cloudy 32% 5 mph SSE 87%
10 PM 28° Mostly Cloudy 45% 5 mph SE 90%
11 PM 28° Mostly Cloudy 46% 6 mph ESE 92%
12 AM 27° Overcast 46% 7 mph E 94%
1 AM 26° Drizzle 47% 6 mph ESE 94%
2 AM 25° Rain 48% 6 mph SE 93%
3 AM 24° Rain 48% 7 mph S 92%
4 AM 24° Rain 49% 8 mph S 92%
5 AM 24° Mostly Cloudy 36% 7 mph S 92%
6 AM 23° Partly Cloudy 37% 7 mph SSE 92%
15-Day Forecast
Today
7/26
Partly Cloudy
45%
22°
35°
Mon
7/27
Mostly Clear
47%
22°
34°
Tue
7/28
Clear
14%
19°
29°
Wed
7/29
Drizzle
47%
18°
28°
Thu
7/30
Drizzle
51%
18°
28°
Fri
7/31
Rain
71%
19°
26°
Sat
8/1
Clear
63%
17°
28°
Sun
8/2
Clear
18%
17°
28°
Mon
8/3
Drizzle
44%
17°
30°
Tue
8/4
Drizzle
44%
19°
31°
Wed
8/5
Drizzle
60%
17°
29°
Thu
8/6
Drizzle
60%
16°
28°
Fri
8/7
Drizzle
60%
16°
29°
Sat
8/8
Drizzle
60%
18°
30°
Sun
8/9
Drizzle
60%
18°
31°
56
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
56 AQI 12.0 µg/m³
O3
Ground-level ozone
41 AQI 45 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 56 Moderate 41 56
Tue 52 Moderate 39 52
Wed 54 Moderate 34 54
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
SBCAPE1428 J/kg
MLCAPE2143 J/kg
MUCAPE3053 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-3.8
Kinematics
0–6 km Shear32 kt
0–1 km Shear15 kt
Eff. Shear34 kt
0–1 km SRH-75
0–3 km SRH-274
Eff. SRH-274
Storm Motion274° @ 29 kt
0–1 km EHI-0.7
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index36.0
Thermo & Levels
PWAT1.94 in
0–3 km LR4.3 °C/km
700–500 LR6.4 °C/km
Total Totals50.6
LCL966 hPa
LFC984 hPa
EL196 hPa
Freezing Lvl15,377 ft