I-39 weather conditions near Lostant, Illinois
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fog/Mist 60°F 2025-05-14T04:35:00-05:00
Today 2025-05-14, Patchy Fog then Mostly Sunny. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 84. Calm wind becoming southeast around 5 mph in the afternoon.
Tonight 2025-05-14, Partly Cloudy then Slight Chance T-storms. A slight chance of showers and thunderstorms between midnight and 4am. Partly cloudy, with a low around 65. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Thursday 2025-05-15, Mostly Sunny then Chance T-storms and Breezy. A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Heat index values as high as 97. Breezy, with a southeast wind 10 to 15 mph becoming south southwest 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Thursday Night 2025-05-15, Partly Cloudy and Breezy then Clear. Mostly clear, with a low around 63. Breezy, with a west southwest wind 20 to 25 mph decreasing to 10 to 15 mph in the evening. Winds could gust as high as 35 mph.
Friday 2025-05-16, Breezy. Sunny then Slight Chance Showers. A 20 percent chance of showers after 4pm. Sunny, with a high near 89. Breezy, with a south southwest wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.
Friday Night 2025-05-16, Slight Chance T-storms then Slight Chance Showers. A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 58. Chance of precipitation is 20%.
Saturday 2025-05-17, Sunny and Breezy. Sunny, with a high near 76. Breezy.
Saturday Night 2025-05-17, Mostly Clear. Mostly clear, with a low around 52.
Sunday 2025-05-18, Mostly Sunny. Mostly sunny, with a high near 76.
Sunday Night 2025-05-18, Partly Cloudy. Partly cloudy, with a low around 50.
Monday 2025-05-19, Chance Showers. A chance of showers. Partly sunny, with a high near 75.
Monday Night 2025-05-19, Showers Likely. Showers likely. Mostly cloudy, with a low around 61.
Tuesday 2025-05-20, Showers and Breezy. Showers. Mostly cloudy, with a high near 78. Breezy.