Thursday
Frost in some areas
High:
64°F
Areas of frost before 8am. Otherwise, mostly sunny, with a high near 64. East southeast wind 8 to 10 mph.
Decatur, IL Weather - Extended Forecast
Thursday Night
Partly cloudy
Overnight low:
50°F
A 40 percent chance of showers after 2am. Increasing clouds, with a low around 50. East southeast wind 10 to 15 mph, with gusts as high as 23 mph.
Friday
Showers
High:
69°F
Showers, with thunderstorms also possible after 2pm. High near 69. Breezy, with a southeast wind 17 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Friday Night
Showers
Overnight low:
63°F
Showers and possibly a thunderstorm. Low around 63. Breezy, with a south southeast wind 25 to 29 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Breezy. showers likely
High:
77°F
Saturday Night
Chance of thunderstorms
Overnight low:
67°F
Sunday
Showers likely
High:
79°F
Sunday Night
Showers likely
Overnight low:
61°F
Monday
Showers likely
High:
72°F
Monday Night
Chance of showers
Overnight low:
50°F
Tuesday
Mostly sunny
High:
71°F