Weather in Petersburg, Illinois, United States

7-Day Detailed Weather Forecast for Petersburg

Overnight

Temperature: 23°F

Wind Speed: 10 mph

Wind Direction: SE

Forecast: Mostly cloudy, with a low around 23. Southeast wind around 10 mph, with gusts as high as 21 mph.

Sunday

Temperature: 38°F

Wind Speed: 9 to 14 mph

Wind Direction: SE

Forecast: Partly sunny, with a high near 38. Southeast wind 9 to 14 mph, with gusts as high as 23 mph.

Sunday Night

Temperature: 24°F

Wind Speed: 5 to 8 mph

Wind Direction: ESE

Forecast: Partly cloudy, with a low around 24. East southeast wind 5 to 8 mph, with gusts as high as 16 mph.

Monday

Temperature: 50°F

Wind Speed: 7 mph

Wind Direction: SSE

Forecast: Mostly sunny. High near 50, with temperatures falling to around 45 in the afternoon. South southeast wind around 7 mph.

Monday Night

Temperature: 38°F

Wind Speed: 7 to 10 mph

Wind Direction: SSW

Forecast: Mostly clear, with a low around 38. South southwest wind 7 to 10 mph, with gusts as high as 20 mph.

Tuesday

Temperature: 55°F

Wind Speed: 6 to 9 mph

Wind Direction: NW

Forecast: Mostly sunny, with a high near 55. Northwest wind 6 to 9 mph, with gusts as high as 16 mph.

Tuesday Night

Temperature: 30°F

Wind Speed: 7 mph

Wind Direction: N

Forecast: A chance of rain. Mostly cloudy, with a low around 30. North wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Wednesday

Temperature: 46°F

Wind Speed: 7 mph

Wind Direction: NE

Forecast: A slight chance of rain before noon. Mostly cloudy, with a high near 46.

Wednesday Night

Temperature: 30°F

Wind Speed: 6 mph

Wind Direction: ENE

Forecast: A slight chance of rain. Mostly cloudy, with a low around 30.

Thursday

Temperature: 42°F

Wind Speed: 8 mph

Wind Direction: ENE

Forecast: A chance of rain. Mostly cloudy, with a high near 42.

Thursday Night

Temperature: 25°F

Wind Speed: 6 mph

Wind Direction: NE

Forecast: A chance of rain before midnight, then a slight chance of snow. Mostly cloudy, with a low around 25. New snow accumulation of less than one inch possible.

Friday

Temperature: 43°F

Wind Speed: 8 mph

Wind Direction: NE

Forecast: A slight chance of rain after noon. Partly sunny, with a high near 43.

Friday Night

Temperature: 25°F

Wind Speed: 7 mph

Wind Direction: ENE

Forecast: A slight chance of rain before midnight, then a slight chance of snow. Partly cloudy, with a low around 25. New snow accumulation of less than half an inch possible.

Saturday

Temperature: 41°F

Wind Speed: 9 mph

Wind Direction: E

Forecast: A chance of rain and snow. Partly sunny, with a high near 41. New snow accumulation of less than half an inch possible.