National Weather Service Forecast for: Gulf Port IL
Issued by: National Weather Service Quad Cities, IA/IL
Updated: 11:32 pm CST Feb 1, 2026
 
Overnight

Overnight: Mostly cloudy, with a steady temperature around 22. Northwest wind around 5 mph.
Mostly Cloudy
 Monday

Monday: Mostly sunny, with a high near 32. Northwest wind around 5 mph.
Mostly Sunny
 Monday
Night
Monday Night: Mostly cloudy, with a low around 18. Calm wind becoming north around 5 mph.
Mostly Cloudy
 Tuesday

Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 32. North wind around 5 mph.
Decreasing
Clouds
 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 13.
Partly Cloudy
 Wednesday

Wednesday: Sunny, with a high near 31.
Sunny
 Wednesday
Night
Wednesday Night: Mostly cloudy, with a low around 18.
Mostly Cloudy
 Thursday

Thursday: Partly sunny, with a high near 41.
Partly Sunny
 Thursday
Night
Thursday Night: Partly cloudy, with a low around 32.
Partly Cloudy
Lo 22 °F Hi 32 °F Lo 18 °F Hi 32 °F Lo 13 °F Hi 31 °F Lo 18 °F Hi 41 °F Lo 32 °F

Hazardous Weather Outlook
 

Overnight
 
 Mostly cloudy, with a steady temperature around 22. Northwest wind around 5 mph.
Monday
 
 Mostly sunny, with a high near 32. Northwest wind around 5 mph.
Monday Night
 
 Mostly cloudy, with a low around 18. Calm wind becoming north around 5 mph.
Tuesday
 
 Mostly cloudy, then gradually becoming sunny, with a high near 32. North wind around 5 mph.
Tuesday Night
 
 Partly cloudy, with a low around 13.
Wednesday
 
 Sunny, with a high near 31.
Wednesday Night
 
 Mostly cloudy, with a low around 18.
Thursday
 
 Partly sunny, with a high near 41.
Thursday Night
 
 Partly cloudy, with a low around 32.
Friday
 
 Partly sunny, with a high near 41.
Friday Night
 
 Partly cloudy, with a low around 18.
Saturday
 
 Sunny, with a high near 35.
Saturday Night
 
 Mostly cloudy, with a low around 23.
Sunday
 
 Mostly sunny, with a high near 40.

 

Forecast from NOAA-NWS for Gulf Port IL.