Today | Weather | Monday, June 29, 2026

Active Weather Warnings

Weather in Dubuque, Iowa

08:07 PM

Now

88° F

Feels Like 93°

Precipitation 6 %

Wind 14 mph

UV Index (0 - 11+) 0

Humidity 73 %

Today

Day 91°

Night 75°

Precipitation 22 %

Wind 12 mph

Dubuque Weather Forecast Updated

6 minutes ago

Last updated on June 29, 2026 at 8:01 PM

Air Quality in Dubuque

NOW

27 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 4.42 µg/m³

PM₁₀ 6.87 µg/m³

O₃ 0.029 ppm

NO₂ 0.7 ppb

SO₂ 0.3 ppb

CO 0.10 ppm

NH₃ 1.69 µg/m³

NO 0.06 µg/m³

PM_2.5 – Fine particles <2.5μm

PM₁₀ – Inhalable particles <10μm

O₃ – Ozone

NO₂ – Nitrogen dioxide

SO₂ – Sulfur dioxide

CO – Carbon monoxide

NH₃ – Ammonia

NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)

PM_2.5 – 4.42 µg/m³

PM₁₀ – 6.87 µg/m³

O₃ – 57.19 µg/m³

NO₂ – 1.26 µg/m³

SO₂ – 0.9 µg/m³

CO – 115.92 µg/m³

NH₃ – 1.69 µg/m³

NO – 0.06 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Dubuque

Severe Future Likely

Extreme Heat Watch

Extreme Heat Watch issued June 27 at 8:52PM CDT until June 30 at 9:00PM CDT by NWS Quad Cities IA IL

Jun 28, 1:00 PM → Jun 30, 9:00 PM

WHAT: Dangerously hot conditions with heat index values exceeding
100 degrees multiple days.

WHERE: Portions of north central and northwest Illinois and east
central and northeast Iowa.

WHEN: From Sunday afternoon through Tuesday evening.

IMPACTS: Heat related illnesses increase significantly during
extreme heat and high humidity events.

ADDITIONAL DETAILS: There is the possibility that excessive heat
will last for much of next week. Thunderstorms and associated
cloud debris may interrupt the excessive heat at times late in the
week.

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Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.

Updated: Jun 28, 1:02 AM Source: NWS Alert

Severe Expected Likely

Extreme Heat Warning

Extreme Heat Warning issued June 29 at 7:51PM CDT until July 1 at 10:00PM CDT by NWS Quad Cities IA IL

Jun 29, 7:51 PM → Jul 1, 10:00 PM

WHAT: Dangerously hot and humid conditions with multiple days of
heat index values of 100 to 110 expected, along with nighttime
lows not falling below the mid to upper 70s.

WHERE: Portions of north central and northwest Illinois and east
central and northeast Iowa.

WHEN: Until 10 PM CDT Wednesday.

IMPACTS: Heat related illnesses increase significantly during
extreme heat and high humidity events.

ADDITIONAL DETAILS: The extreme heat may persist through late
week, but thunderstorms and associated clouds may interrupt the
heat at times Thursday and Friday.