National Weather Service Forecast for: Gulf Port IL
Issued by: National Weather Service Quad Cities, IA/IL
Updated: 7:31 pm CDT Sep 12, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 63. North wind around 5 mph.
Partly Cloudy

 Sunday

Sunday: A chance of showers and thunderstorms before 4pm, then a slight chance of showers. Partly sunny, with a high near 75. North wind 5 to 10 mph. Chance of precipitation is 40%.
Chance
Showers

 Sunday
Night
Sunday Night: A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 58. Northeast wind around 5 mph.
Mostly Cloudy
then Slight
Chance
Showers
 Monday

Monday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 79. Southeast wind 5 to 10 mph, with gusts as high as 25 mph.
Chance
Showers

 Monday
Night
Monday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 70.
Mostly Clear
then Chance
Showers
 Tuesday

Tuesday: Showers likely, mainly after 1pm. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Chance
Showers then
Showers
Likely
 Tuesday
Night
Tuesday Night: Showers and possibly a thunderstorm. Low around 65. Chance of precipitation is 90%.
Showers

 Wednesday

Wednesday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.
Showers
Likely

 Wednesday
Night
Wednesday Night: A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.
Showers
Likely
Lo 63 °F Hi 75 °F Lo 58 °F Hi 79 °F Lo 70 °F Hi 86 °F Lo 65 °F Hi 81 °F Lo 67 °F

 

Tonight
 
 Partly cloudy, with a low around 63. North wind around 5 mph.
Sunday
 
 A chance of showers and thunderstorms before 4pm, then a slight chance of showers. Partly sunny, with a high near 75. North wind 5 to 10 mph. Chance of precipitation is 40%.
Sunday Night
 
 A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 58. Northeast wind around 5 mph.
Monday
 
 A 30 percent chance of showers before 1pm. Partly sunny, with a high near 79. Southeast wind 5 to 10 mph, with gusts as high as 25 mph.
Monday Night
 
 A 30 percent chance of showers after 1am. Partly cloudy, with a low around 70.
Tuesday
 
 Showers likely, mainly after 1pm. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Tuesday Night
 
 Showers and possibly a thunderstorm. Low around 65. Chance of precipitation is 90%.
Wednesday
 
 Showers likely, mainly before 1pm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.
Wednesday Night
 
 A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.
Thursday
 
 Showers likely before 1pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Thursday Night
 
 A 40 percent chance of showers. Mostly cloudy, with a low around 62.
Friday
 
 A 40 percent chance of showers. Partly sunny, with a high near 78.
Friday Night
 
 A 40 percent chance of showers. Partly cloudy, with a low around 60.
Saturday
 
 A 30 percent chance of showers. Mostly sunny, with a high near 74.

 

Forecast from NOAA-NWS for Gulf Port IL.