Wednesday, September 9, 2026

Current Conditions (as of this morning near Dubuque Regional Airport):

Temperature near 70–71°F under mostly cloudy to overcast skies. Humidity is high (around 90–97%). Winds are from the southwest at about 7–14 mph with higher gusts possible. Dewpoint is near 68–70°F. Visibility is good (around 10 miles). Barometric pressure is near 30.0–30.06 inches. 

Today’s Forecast

A chance of showers and thunderstorms mainly this morning (around 40–50% chance early, decreasing later), then becoming partly sunny this afternoon. High temperature near 81°F. Northwest winds around 5 mph.

Tonight

Partly cloudy. Low temperature around 60°F. West winds around 5 mph becoming calm.

Thursday

Mostly sunny. High near 79°F. Calm winds becoming north around 5 mph.

Thursday Night

Clear. Low around 56°F.

Friday

Sunny. High near 81°F.

Friday Night

Mostly clear early, then a chance of showers and thunderstorms after 1 a.m. Low around 64°F.

Saturday

A 30% chance of showers mainly in the morning, then partly sunny. High near 80°F.

Sunday

A 30% chance of showers. Partly sunny. High near 78°F.

Looking further ahead, additional chances of showers and thunderstorms appear possible into early next week (including Monday), with temperatures remaining in the upper 70s to low 80s for highs before potentially cooling a bit later. 

Hazardous Weather Outlook

(National Weather Service Quad Cities, IA/IL – issued 11:17 AM CDT Wednesday, September 9, 2026)

This outlook covers portions of northeast Iowa (including Dubuque), east-central and southeast Iowa, northwest and west-central Illinois, and northeast Missouri.

•  Day One (this afternoon and tonight): No hazardous weather is expected at this time.

•  Days Two through Seven (Thursday through Tuesday): There is a chance for thunderstorms on Saturday as a front moves through the area. More storms are then possible on Monday.

Spotter activation will not be needed today or tonight. 

Stay weather-aware, especially with any returning storm chances later in the period. Conditions can change—check the latest updates from the National Weather Service for the most current information. Have a great day in Dubuque!