National Weather Service Forecast for: Normal IL
Issued by: National Weather Service Lincoln, IL
Updated: 6:56 pm CDT Jun 18, 2026
 
Tonight

Tonight: Mostly clear, with a low around 55. Calm wind becoming west northwest around 5 mph after midnight.
Mostly Clear
 Juneteenth

Juneteenth: Sunny, with a high near 77. West northwest wind 5 to 9 mph, with gusts as high as 15 mph.
Sunny
 Friday
Night
Friday Night: Partly cloudy, with a low around 59. West northwest wind around 6 mph becoming calm.
Partly Cloudy
 Saturday

Saturday: Mostly sunny, with a high near 80. West wind 6 to 8 mph.
Mostly Sunny
 Saturday
Night
Saturday Night: Partly cloudy, with a low around 60. Northwest wind around 6 mph becoming light and variable.
Partly Cloudy
 Sunday

Sunday: Showers likely, then showers and possibly a thunderstorm after 1pm. Some of the storms could produce heavy rainfall. High near 76. East wind 9 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Heavy Rain
 Sunday
Night
Sunday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 59. Breezy, with an east wind 16 to 20 mph becoming north northeast after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Showers and
Breezy
 Monday

Monday: Partly sunny, with a high near 75.
Partly Sunny
 Monday
Night
Monday Night: Partly cloudy, with a low around 54.
Partly Cloudy
Lo 55 °F Hi 77 °F Lo 59 °F Hi 80 °F Lo 60 °F Hi 76 °F Lo 59 °F Hi 75 °F Lo 54 °F

 

Tonight
 
 Mostly clear, with a low around 55. Calm wind becoming west northwest around 5 mph after midnight.
Juneteenth
 
 Sunny, with a high near 77. West northwest wind 5 to 9 mph, with gusts as high as 15 mph.
Friday Night
 
 Partly cloudy, with a low around 59. West northwest wind around 6 mph becoming calm.
Saturday
 
 Mostly sunny, with a high near 80. West wind 6 to 8 mph.
Saturday Night
 
 Partly cloudy, with a low around 60. Northwest wind around 6 mph becoming light and variable.
Sunday
 
 Showers likely, then showers and possibly a thunderstorm after 1pm. Some of the storms could produce heavy rainfall. High near 76. East wind 9 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
 
 Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 59. Breezy, with an east wind 16 to 20 mph becoming north northeast after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Monday
 
 Partly sunny, with a high near 75.
Monday Night
 
 Partly cloudy, with a low around 54.
Tuesday
 
 Mostly sunny, with a high near 77.
Tuesday Night
 
 Partly cloudy, with a low around 57.
Wednesday
 
 A chance of showers. Mostly sunny, with a high near 78.
Wednesday Night
 
 Partly cloudy, with a low around 58.
Thursday
 
 Mostly sunny, with a high near 78.

 

Forecast from NOAA-NWS for Normal IL.