10-Day Weather Forecast - Cortland, IL
- |-1°FVery ColdHourly details
Tonight
-1°FPartly cloudy late in the evening then becoming mostly cloudy. Very cold. Lows around 3 below. Southwest winds 5 to 10 mph increasing to south 10 to 15 mph with gusts up to 25 mph after midnight. Wind chill values as low as 20 below.
- 22|17°FMostly CloudyHourly details
Day
22°FMostly cloudy and blustery. Not as cold with highs in the lower 20s. Southwest winds 15 to 20 mph with gusts up to 30 mph. Wind chill values as low as 16 below in the morning.
Night
17°FPartly cloudy. Lows around 14. Southwest winds 5 to 10 mph.
- 33|29°FPartly CloudyHourly details
Day
33°FPartly cloudy in the morning then becoming mostly cloudy. Highs in the mid 30s. South winds 5 to 10 mph increasing to southwest 10 to 15 mph in the afternoon.
Night
29°FMostly cloudy. Lows in the upper 20s. Southwest winds 10 to 15 mph becoming west 5 to 10 mph after midnight.
- 36|33°FPartly CloudyHourly details
Day
36°FPartly cloudy in the morning then becoming mostly cloudy. Highs in the upper 30s.
Night
33°FMostly cloudy. A chance of rain showers after midnight. Blustery with lows in the lower 30s. Temperature rising into the upper 30s after midnight. Chance of precipitation 40 percent.
- 43|15°F70% Chance Snow ShowersHourly details
Day
43°FMostly cloudy. Rain showers likely in the morning then a chance of rain showers with a slight chance of snow showers in the afternoon. Breezy with highs in the mid 40s. Temperature falling to around 30 in the afternoon. Chance of precipitation 70 percent.
Night
15°FMostly cloudy in the evening then becoming partly cloudy. Blustery with lows around 10 above.
- 21|21°FPartly CloudyHourly details
Day
21°FPartly cloudy in the morning then becoming mostly cloudy. Highs in the mid 20s.
Night
21°FMostly cloudy. Lows around 20. Temperature rising into the upper 20s after midnight.
Weekend Weather
- 38|22°FMostly CloudyHourly details
Day
38°FMostly cloudy. Highs in the lower 40s.
Night
22°FMostly cloudy. Lows in the lower 20s.
- 29|24°FPartly Cloudy
Day
29°FPartly cloudy. Highs in the lower 30s.
Night
24°FMostly clear. Low temperature around 24F. Dew point will be around 19F with an average humidity of 76%. Winds will be 3 mph from the SE.
- 35|33°FPartly Cloudy
Day
35°FPartly cloudy. High temperature around 35F. Dew point will be around 24F with an average humidity of 70%. Winds will be 7 mph from the S.
Night
33°FMostly cloudy. Low temperature around 33F. Dew point will be around 30F with an average humidity of 84%. Winds will be 6 mph from the S.
- 38|30°FCloudy
Day
38°FCloudy. High temperature around 38F. Dew point will be around 31F with an average humidity of 81%. Winds will be 2 mph from the W.
Night
30°FCloudy. Low temperature around 30F. Dew point will be around 29F with an average humidity of 86%. Winds will be 3 mph from the N.














