Weather in Sullivan, Illinois, United States

7-Day Detailed Weather Forecast for Sullivan

Overnight

Temperature: 41°F

Wind Speed: 5 mph

Wind Direction: E

Forecast: Patchy fog. Mostly cloudy, with a low around 41. East wind around 5 mph.

Saturday

Temperature: 56°F

Wind Speed: 6 to 12 mph

Wind Direction: ESE

Forecast: Patchy fog before 9am. Cloudy, with a high near 56. East southeast wind 6 to 12 mph, with gusts as high as 20 mph.

Saturday Night

Temperature: 52°F

Wind Speed: 13 mph

Wind Direction: SSE

Forecast: A chance of rain showers after 9pm. Cloudy. Low around 52, with temperatures rising to around 60 overnight. South southeast wind around 13 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

Sunday

Temperature: 67°F

Wind Speed: 12 to 18 mph

Wind Direction: SSW

Forecast: A chance of rain showers before 9am, then showers and thunderstorms. Cloudy. High near 67, with temperatures falling to around 58 in the afternoon. South southwest wind 12 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night

Temperature: 15°F

Wind Speed: 18 to 26 mph

Wind Direction: W

Forecast: Showers and thunderstorms likely before 9pm, then rain and snow showers likely. Mostly cloudy, with a low around 15. West wind 18 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of less than half an inch possible.

Monday

Temperature: 23°F

Wind Speed: 20 to 26 mph

Wind Direction: WNW

Forecast: Partly sunny, with a high near 23. West northwest wind 20 to 26 mph, with gusts as high as 45 mph.

Monday Night

Temperature: 13°F

Wind Speed: 13 to 18 mph

Wind Direction: WNW

Forecast: Mostly clear, with a low around 13. West northwest wind 13 to 18 mph, with gusts as high as 32 mph.

Tuesday

Temperature: 28°F

Wind Speed: 9 to 13 mph

Wind Direction: W

Forecast: Mostly sunny, with a high near 28.

Tuesday Night

Temperature: 22°F

Wind Speed: 8 to 12 mph

Wind Direction: WSW

Forecast: Partly cloudy, with a low around 22.

Wednesday

Temperature: 37°F

Wind Speed: 10 to 14 mph

Wind Direction: W

Forecast: Partly sunny, with a high near 37.

Wednesday Night

Temperature: 16°F

Wind Speed: 10 mph

Wind Direction: NW

Forecast: Mostly cloudy, with a low around 16.

New Year's Day

Temperature: 26°F

Wind Speed: 8 to 12 mph

Wind Direction: NW

Forecast: Mostly sunny, with a high near 26.

Thursday Night

Temperature: 9°F

Wind Speed: 7 mph

Wind Direction: NW

Forecast: Mostly clear, with a low around 9.

Friday

Temperature: 26°F

Wind Speed: 7 mph

Wind Direction: W

Forecast: Mostly sunny, with a high near 26.