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National Weather Service Forecast for: Chicago/Romeoville, Lewis University Airport IL
Issued by: National Weather Service Chicago, IL
Updated: 12:28 am CST Jan 20, 2018

Will County
 
Overnight

Overnight: Mostly cloudy, with a steady temperature around 36. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Mostly Cloudy


Saturday

Saturday: Mostly cloudy, with a high near 40. Southwest wind 5 to 10 mph.
Mostly Cloudy


Saturday
Night
Saturday Night: A chance of drizzle after midnight.  Patchy fog.  Otherwise, cloudy, with a low around 34. South southwest wind around 5 mph becoming southeast after midnight.
Patchy Fog
then Chance
Drizzle and
Areas Fog
Sunday

Sunday: A chance of drizzle.  Areas of fog.  Otherwise, cloudy, with a high near 43. East southeast wind around 5 mph.
Chance
Drizzle and
Areas Fog

Sunday
Night
Sunday Night: Rain.  Patchy fog. Low around 40. East wind 5 to 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 90%.
Rain Likely
and Patchy
Fog then Rain
and Patchy
Fog
Monday

Monday: Rain.  High near 49. Chance of precipitation is 90%.
Rain then
Rain Likely

Monday
Night
Monday Night: Rain likely before 10pm, then rain and snow likely between 10pm and 1am, then snow likely after 1am.  Cloudy, with a low around 28. Chance of precipitation is 70%.
Rain/Snow
Likely

Tuesday

Tuesday: A slight chance of snow before noon.  Partly sunny, with a high near 32.
Slight Chance
Snow then
Partly Sunny

Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 21.
Partly Cloudy


Lo 36 °F Hi 40 °F Lo 34 °F Hi 43 °F Lo 40 °F Hi 49 °F Lo 28 °F Hi 32 °F Lo 21 °F

Hazardous Weather Outlook
 

Overnight
 
Mostly cloudy, with a steady temperature around 36. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
 
Mostly cloudy, with a high near 40. Southwest wind 5 to 10 mph.
Saturday Night
 
A chance of drizzle after midnight. Patchy fog. Otherwise, cloudy, with a low around 34. South southwest wind around 5 mph becoming southeast after midnight.
Sunday
 
A chance of drizzle. Areas of fog. Otherwise, cloudy, with a high near 43. East southeast wind around 5 mph.
Sunday Night
 
Rain. Patchy fog. Low around 40. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%.
Monday
 
Rain. High near 49. Chance of precipitation is 90%.
Monday Night
 
Rain likely before 10pm, then rain and snow likely between 10pm and 1am, then snow likely after 1am. Cloudy, with a low around 28. Chance of precipitation is 70%.
Tuesday
 
A slight chance of snow before noon. Partly sunny, with a high near 32.
Tuesday Night
 
Partly cloudy, with a low around 21.
Wednesday
 
Mostly sunny, with a high near 33.
Wednesday Night
 
Partly cloudy, with a low around 22.
Thursday
 
Partly sunny, with a high near 41.
Thursday Night
 
Mostly cloudy, with a low around 33.
Friday
 
Partly sunny, with a high near 47.

 

Forecast from NOAA-NWS for Chicago/Romeoville, Lewis University Airport IL.