Weather in Johnston City, Illinois, United States

7-Day Detailed Weather Forecast for Johnston City

This Afternoon

Temperature: 98°F

Wind Speed: 2 mph

Wind Direction: SE

Forecast: Sunny. High near 98, with temperatures falling to around 95 in the afternoon. Heat index values as high as 106. Southeast wind around 2 mph.

Tonight

Temperature: 76°F

Wind Speed: 2 mph

Wind Direction: SE

Forecast: Clear, with a low around 76. Southeast wind around 2 mph.

Tuesday

Temperature: 97°F

Wind Speed: 3 mph

Wind Direction: W

Forecast: A chance of showers and thunderstorms after 1pm. Sunny. High near 97, with temperatures falling to around 92 in the afternoon. Heat index values as high as 107. West wind around 3 mph. Chance of precipitation is 40%.

Tuesday Night

Temperature: 72°F

Wind Speed: 3 mph

Wind Direction: WNW

Forecast: A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 72. West northwest wind around 3 mph. Chance of precipitation is 50%.

Wednesday

Temperature: 90°F

Wind Speed: 2 to 9 mph

Wind Direction: NNE

Forecast: A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 90. North northeast wind 2 to 9 mph. Chance of precipitation is 40%.

Wednesday Night

Temperature: 69°F

Wind Speed: 5 to 8 mph

Wind Direction: NNE

Forecast: A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 69. North northeast wind 5 to 8 mph. Chance of precipitation is 30%.

Thursday

Temperature: 89°F

Wind Speed: 6 to 9 mph

Wind Direction: NNE

Forecast: Mostly sunny, with a high near 89. North northeast wind 6 to 9 mph.

Thursday Night

Temperature: 67°F

Wind Speed: 2 to 7 mph

Wind Direction: NNE

Forecast: Mostly clear, with a low around 67. North northeast wind 2 to 7 mph.

Friday

Temperature: 91°F

Wind Speed: 2 to 6 mph

Wind Direction: NNE

Forecast: Sunny, with a high near 91. North northeast wind 2 to 6 mph.

Friday Night

Temperature: 68°F

Wind Speed: 1 to 5 mph

Wind Direction: N

Forecast: Mostly clear, with a low around 68. North wind 1 to 5 mph.

Saturday

Temperature: 90°F

Wind Speed: 1 to 7 mph

Wind Direction: NNW

Forecast: Sunny, with a high near 90. North northwest wind 1 to 7 mph.

Saturday Night

Temperature: 64°F

Wind Speed: 2 to 7 mph

Wind Direction: N

Forecast: Mostly clear, with a low around 64. North wind 2 to 7 mph.

Sunday

Temperature: 85°F

Wind Speed: 3 to 9 mph

Wind Direction: N

Forecast: Sunny, with a high near 85. North wind 3 to 9 mph.

Sunday Night

Temperature: 59°F

Wind Speed: 2 to 7 mph

Wind Direction: N

Forecast: Mostly clear, with a low around 59. North wind 2 to 7 mph.