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August / Summer 2026 Climate Summary and Outlook for Sept / Fall

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Dubuque Regional Airport (KDBQ)

Lat: 42.4° N Lon: 90.71° W Elev: 1040 ft.

Fair

78°F

26°C

Humidity	93%
Wind Speed	Calm
Barometer	29.98 in (1014.4 mb)
Dewpoint	76°F (24°C)
Visibility	7.00 mi
Heat Index	81°F (27°C)
Last update	1 Sep 9:53 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Detailed forecast for

Jackson County

Rest Of Today

Mostly sunny with a slight chance of showers and thunderstorms. Hot with highs around 90. Southwest winds around 5 mph. Chance of rain 20 percent. Heat index values up to 100.

Tonight

Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 20 percent.

Wednesday

Mostly sunny. Hot with highs in the lower 90s. Southwest winds 5 to 10 mph. Heat index values up to 101 in the afternoon.

Wednesday Night

Mostly clear. Humid with lows in the lower 70s. Southwest winds around 5 mph.

Thursday

Mostly sunny. A chance of showers and thunderstorms in the morning. Humid with highs in the upper 80s. South winds around 5 mph. Chance of rain 40 percent.

Thursday Night

Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 70s.

Friday

Mostly sunny. A chance of showers and thunderstorms in the morning. Hot with highs around 90. Chance of rain 40 percent.

Friday Night

Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 70s.

Saturday

Mostly sunny. Hot with highs in the lower 90s.

Saturday Night

Mostly clear in the evening, then partly cloudy with a chance of showers after midnight. Lows around 70. Chance of rain 30 percent.

Sunday

Partly sunny. A chance of showers in the morning. Highs in the upper 80s. Chance of rain 30 percent.