National Weather Service Forecast for: Gulf Port IL
Issued by: National Weather Service Quad Cities, IA/IL
Updated: 3:16 am CST Dec 18, 2025
 
Overnight

Overnight: Rain likely, mainly after 5am. Cloudy, with a steady temperature around 45. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Rain Likely

 Thursday

Thursday: Rain before 11am. Temperature falling to around 27 by 5pm. Breezy, with a south wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 100%.
Rain then
Mostly Sunny
and Breezy
 Thursday
Night
Thursday Night: Isolated snow showers before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 15. Wind chill values as low as zero. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.
Isolated Snow
Showers and
Breezy
 Friday

Friday: Sunny, with a high near 33. Northwest wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Sunny

 Friday
Night
Friday Night: Mostly cloudy, with a low around 27.
Mostly Cloudy

 Saturday

Saturday: Partly sunny, with a high near 44.
Partly Sunny

 Saturday
Night
Saturday Night: Mostly clear, with a low around 21.
Mostly Clear

 Sunday

Sunday: Sunny, with a high near 35.
Sunny

 Sunday
Night
Sunday Night: Mostly cloudy, with a low around 25.
Mostly Cloudy
Lo 45 °F Hi 46 °F⇓ Lo 15 °F Hi 33 °F Lo 27 °F Hi 44 °F Lo 21 °F Hi 35 °F Lo 25 °F

Hazardous Weather Outlook
Wind Advisory
 

Overnight
 
 Rain likely, mainly after 5am. Cloudy, with a steady temperature around 45. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Thursday
 
 Rain before 11am. Temperature falling to around 27 by 5pm. Breezy, with a south wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 100%.
Thursday Night
 
 Isolated snow showers before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 15. Wind chill values as low as zero. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.
Friday
 
 Sunny, with a high near 33. Northwest wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Friday Night
 
 Mostly cloudy, with a low around 27.
Saturday
 
 Partly sunny, with a high near 44.
Saturday Night
 
 Mostly clear, with a low around 21.
Sunday
 
 Sunny, with a high near 35.
Sunday Night
 
 Mostly cloudy, with a low around 25.
Monday
 
 Partly sunny, with a high near 43.
Monday Night
 
 Mostly cloudy, with a low around 35.
Tuesday
 
 Partly sunny, with a high near 51.
Tuesday Night
 
 Mostly cloudy, with a low around 33.
Wednesday
 
 Mostly cloudy, with a high near 50.

 

Forecast from NOAA-NWS for Gulf Port IL.