Forecast for Zion, IL | Forecast Periods: 14
Sunday
Mar 15
2026
Zion, IL
Updated: 3:31 PM CDT
52°F
Showers And Thunderstorms
15 mph SSW
Precipitation: 94%
Rain showers before 4pm, then showers and thunderstorms. Cloudy. High near 52, with temperatures falling to around 43 in the afternoon. South southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Hourly Forecast
Extended Forecast
Tonight
Sun, Mar 15
22°F
Rain Likely then Chance Sleet
15 mph NNW
Precipitation: 100%
Showers and thunderstorms before 9pm, then rain between 9pm and 11pm, then rain likely and a chance of sleet between 11pm and midnight, then a chance of sleet and rain and snow likely between midnight and 1am, then snow and patchy blowing snow. Cloudy. Low around 22, with temperatures rising to around 27 overnight. North northwest wind 15 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Monday
Mon, Mar 16
24°F
Snow And Patchy Blowing Snow
25 mph NW
Precipitation: 82%
Snow and patchy blowing snow. Cloudy. High near 24, with temperatures falling to around 22 in the afternoon. Northwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Monday Night
Mon, Mar 16
11°F
Chance Snow And Patchy Blowing Snow then Mostly Cloudy
10 mph NW
Precipitation: 27%
A chance of snow and patchy blowing snow before 7pm. Mostly cloudy, with a low around 11. Wind chill values as low as -3. Northwest wind 10 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 30%. New snow accumulation of less than half an inch possible.
Tuesday
Tue, Mar 17
24°F
Mostly Sunny
5 mph W
Precipitation: 1%
Mostly sunny, with a high near 24. West wind 5 to 10 mph, with gusts as high as 25 mph.
Tuesday Night
Tue, Mar 17
19°F
Chance Snow Showers
5 mph SSW
Precipitation: 54%
A chance of snow showers after 7pm. Mostly cloudy, with a low around 19. Chance of precipitation is 50%. New snow accumulation of less than half an inch possible.
Wednesday
Wed, Mar 18
41°F
Chance Snow Showers
10 mph SSW
Precipitation: 54%
A chance of snow showers before 1pm. Mostly cloudy, with a high near 41. New snow accumulation of less than half an inch possible.
Wednesday Night
Wed, Mar 18
34°F
Mostly Cloudy then Chance Rain Showers
5 mph SW
Precipitation: 29%
A chance of rain showers after 1am. Mostly cloudy, with a low around 34.
Thursday
Thu, Mar 19
48°F
Chance Rain Showers
5 mph NW
Precipitation: 29%
A chance of rain showers before 1pm. Mostly sunny, with a high near 48.
Thursday Night
Thu, Mar 19
35°F
Mostly Cloudy
5 mph WNW
Precipitation: 2%
Mostly cloudy, with a low around 35.
Friday
Fri, Mar 20
57°F
Partly Sunny
5 mph SW
Precipitation: 4%
Partly sunny, with a high near 57.
Friday Night
Fri, Mar 20
38°F
Mostly Cloudy
10 mph W
Precipitation: 5%
Mostly cloudy, with a low around 38.
Saturday
Sat, Mar 21
52°F
Partly Sunny
10 mph NW
Precipitation: 5%
Partly sunny, with a high near 52.
Saturday Night
Sat, Mar 21
36°F
Partly Cloudy
10 mph N
Precipitation: 8%
Partly cloudy, with a low around 36.