Weather in Sullivan, Illinois, United States

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7-Day Detailed Weather Forecast for Sullivan

Overnight

Temperature: 72°F

Wind Speed: 5 mph

Wind Direction: S

Forecast: Partly cloudy, with a low around 72. South wind around 5 mph.

Thursday

Temperature: 95°F

Wind Speed: 5 to 8 mph

Wind Direction: W

Forecast: Mostly sunny, with a high near 95. Heat index values as high as 100. West wind 5 to 8 mph.

Thursday Night

Temperature: 70°F

Wind Speed: 6 mph

Wind Direction: NNE

Forecast: A slight chance of showers and thunderstorms between 9pm and 1am. Partly cloudy, with a low around 70. North northeast wind around 6 mph. Chance of precipitation is 20%.

Friday

Temperature: 90°F

Wind Speed: 6 mph

Wind Direction: ENE

Forecast: A slight chance of showers and thunderstorms before 9am. Mostly sunny, with a high near 90. East northeast wind around 6 mph.

Friday Night

Temperature: 68°F

Wind Speed: 8 mph

Wind Direction: ESE

Forecast: A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. East southeast wind around 8 mph.

Saturday

Temperature: 94°F

Wind Speed: 10 mph

Wind Direction: SW

Forecast: A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 94. Southwest wind around 10 mph, with gusts as high as 16 mph.

Saturday Night

Temperature: 71°F

Wind Speed: 7 mph

Wind Direction: SW

Forecast: A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71. Southwest wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Sunday

Temperature: 88°F

Wind Speed: 5 to 9 mph

Wind Direction: NNW

Forecast: A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 30%.

Sunday Night

Temperature: 63°F

Wind Speed: 9 mph

Wind Direction: NE

Forecast: A chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.

Monday

Temperature: 80°F

Wind Speed: 12 mph

Wind Direction: NE

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

Monday Night

Temperature: 59°F

Wind Speed: 7 to 12 mph

Wind Direction: NE

Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 59.

Tuesday

Temperature: 77°F

Wind Speed: 9 mph

Wind Direction: NNE

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

Tuesday Night

Temperature: 57°F

Wind Speed: 5 to 9 mph

Wind Direction: NNE

Forecast: A slight chance of rain showers before 7pm. Partly cloudy, with a low around 57.

Wednesday

Temperature: 79°F

Wind Speed: 5 to 8 mph

Wind Direction: NNE

Forecast: A slight chance of rain showers after 1pm. Mostly sunny, with a high near 79.