I-39 weather conditions near South Beloit, Illinois
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7 day weather forecast
Current condition: Mostly Cloudy 91°F 2024-06-18T15:45:00-05:00 
This Afternoon 2024-06-18, Slight Chance T-storms and Breezy. A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91. Heat index values as high as 98. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph.
Tonight 2024-06-18, Slight Chance T-storms and Breezy. A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 74. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.Juneteenth 2024-06-19, Chance Showers then Chance T-storms. A 50 percent chance of showers and thunderstorms, mainly after 11am. Partly sunny, with a high near 88. Southwest wind around 10 mph becoming west in the afternoon.
Wednesday Night 2024-06-19, Chance T-storms. A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. North wind around 5 mph becoming calm in the evening.
Thursday 2024-06-20, Chance T-storms. A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. East wind around 5 mph.
Thursday Night 2024-06-20, Slight Chance T-storms. A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 66. East wind around 5 mph becoming calm in the evening.Friday 2024-06-21, Chance Showers then Chance T-storms. A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 90. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 30%.
Friday Night 2024-06-21, Chance T-storms then Partly Cloudy. A chance of thunderstorms before 7pm. Partly cloudy, with a low around 72. South wind around 5 mph. Chance of precipitation is 30%.
Saturday 2024-06-22, Slight Chance Showers then Chance T-storms. A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny and hot, with a high near 93. Chance of precipitation is 30%.
Saturday Night 2024-06-22, Showers Likely. Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Sunday 2024-06-23, Mostly Sunny. Mostly sunny, with a high near 84.
Sunday Night 2024-06-23, Mostly Clear. Mostly clear, with a low around 60.
Monday 2024-06-24, Sunny. Sunny, with a high near 85.Monday Night 2024-06-24, Mostly Clear then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Tuesday 2024-06-25, Chance T-storms. A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.