Weather in Harrisburg, Illinois, United States

7-Day Detailed Weather Forecast for Harrisburg

Tonight

Temperature: 67°F

Wind Speed: 3 to 14 mph

Wind Direction: SW

Forecast: A chance of showers and thunderstorms. Mostly cloudy. Low around 67, with temperatures rising to around 70 overnight. Southwest wind 3 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

Friday

Temperature: 86°F

Wind Speed: 3 to 18 mph

Wind Direction: SSW

Forecast: A chance of showers and thunderstorms before 2pm, then showers and thunderstorms likely between 2pm and 3pm, then showers and thunderstorms likely between 3pm and 5pm, then showers and thunderstorms. Some of the storms could be severe and produce heavy rain. Mostly sunny. High near 86, with temperatures falling to around 80 in the afternoon. South southwest wind 3 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 80%.

Friday Night

Temperature: 62°F

Wind Speed: 7 to 15 mph

Wind Direction: SW

Forecast: Showers and thunderstorms before 7pm, then showers and thunderstorms likely between 7pm and 10pm, then showers and thunderstorms likely between 10pm and 1am. Some of the storms could be severe and produce heavy rain. Partly cloudy, with a low around 62. Southwest wind 7 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 90%.

Saturday

Temperature: 78°F

Wind Speed: 7 to 12 mph

Wind Direction: W

Forecast: Sunny, with a high near 78. West wind 7 to 12 mph, with gusts as high as 21 mph.

Saturday Night

Temperature: 58°F

Wind Speed: 1 to 7 mph

Wind Direction: NW

Forecast: A slight chance of rain showers after 1am. Partly cloudy, with a low around 58. Northwest wind 1 to 7 mph. Chance of precipitation is 20%.

Sunday

Temperature: 79°F

Wind Speed: 3 mph

Wind Direction: ENE

Forecast: A chance of rain showers. Partly sunny, with a high near 79. East northeast wind around 3 mph. Chance of precipitation is 30%.

Sunday Night

Temperature: 63°F

Wind Speed: 3 mph

Wind Direction: ESE

Forecast: A chance of rain showers before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63. East southeast wind around 3 mph. Chance of precipitation is 50%.

Monday

Temperature: 81°F

Wind Speed: 5 to 8 mph

Wind Direction: SE

Forecast: A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely between 7am and 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Southeast wind 5 to 8 mph.

Monday Night

Temperature: 66°F

Wind Speed: 7 mph

Wind Direction: SE

Forecast: A chance of showers and thunderstorms before 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 66. Southeast wind around 7 mph.

Tuesday

Temperature: 81°F

Wind Speed: 6 to 12 mph

Wind Direction: SSE

Forecast: Showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a high near 81. South southeast wind 6 to 12 mph, with gusts as high as 21 mph.

Tuesday Night

Temperature: 64°F

Wind Speed: 10 mph

Wind Direction: S

Forecast: Showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a low around 64. South wind around 10 mph, with gusts as high as 20 mph.

Wednesday

Temperature: 74°F

Wind Speed: 9 to 14 mph

Wind Direction: WSW

Forecast: Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Some of the storms could be severe. Partly sunny, with a high near 74. West southwest wind 9 to 14 mph, with gusts as high as 22 mph.

Wednesday Night

Temperature: 55°F

Wind Speed: 6 to 10 mph

Wind Direction: WNW

Forecast: A chance of showers and thunderstorms. Partly cloudy, with a low around 55. West northwest wind 6 to 10 mph, with gusts as high as 20 mph.

Thursday

Temperature: 69°F

Wind Speed: 6 to 12 mph

Wind Direction: NW

Forecast: A chance of showers and thunderstorms. Mostly sunny, with a high near 69. Northwest wind 6 to 12 mph, with gusts as high as 18 mph.