Weather in Sullivan, Illinois, United States

7-Day Detailed Weather Forecast for Sullivan

Overnight

Temperature: 58°F

Wind Speed: 15 mph

Wind Direction: SW

Forecast: A chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 58. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Friday

Temperature: 66°F

Wind Speed: 10 to 14 mph

Wind Direction: WNW

Forecast: A chance of showers and thunderstorms before 10am, then a chance of showers and thunderstorms between 10am and 5pm. Mostly cloudy, with a high near 66. West northwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Friday Night

Temperature: 44°F

Wind Speed: 7 to 10 mph

Wind Direction: NE

Forecast: Partly cloudy, with a low around 44. Northeast wind 7 to 10 mph, with gusts as high as 17 mph. New rainfall amounts less than a tenth of an inch possible.

Saturday

Temperature: 66°F

Wind Speed: 10 mph

Wind Direction: ESE

Forecast: Partly sunny, with a high near 66. East southeast wind around 10 mph, with gusts as high as 17 mph. New rainfall amounts less than a tenth of an inch possible.

Saturday Night

Temperature: 57°F

Wind Speed: 8 to 13 mph

Wind Direction: SSE

Forecast: Mostly cloudy, with a low around 57. South southeast wind 8 to 13 mph, with gusts as high as 21 mph. New rainfall amounts less than a tenth of an inch possible.

Sunday

Temperature: 79°F

Wind Speed: 13 to 23 mph

Wind Direction: S

Forecast: A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. South wind 13 to 23 mph, with gusts as high as 38 mph.

Sunday Night

Temperature: 62°F

Wind Speed: 17 to 21 mph

Wind Direction: SSW

Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South southwest wind 17 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

Monday

Temperature: 80°F

Wind Speed: 18 mph

Wind Direction: SSW

Forecast: A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 60%.

Monday Night

Temperature: 66°F

Wind Speed: 17 mph

Wind Direction: SSW

Forecast: A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.

Tuesday

Temperature: 82°F

Wind Speed: 14 to 20 mph

Wind Direction: SSW

Forecast: A slight chance of rain showers before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 82.

Tuesday Night

Temperature: 64°F

Wind Speed: 17 mph

Wind Direction: SSW

Forecast: A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 64.

Wednesday

Temperature: 79°F

Wind Speed: 15 to 18 mph

Wind Direction: SW

Forecast: Showers and thunderstorms likely. Partly sunny, with a high near 79.

Wednesday Night

Temperature: 57°F

Wind Speed: 8 to 13 mph

Wind Direction: SW

Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 57.

Thursday

Temperature: 77°F

Wind Speed: 8 to 13 mph

Wind Direction: SSW

Forecast: A chance of rain showers. Partly sunny, with a high near 77.