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County Forecast for Sublette , IL
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270100-
Lee-
Including the city of Dixon
1201 PM CDT Sun Jul 26 2026

..heat advisory remains in effect until 8 pm cdt this evening   
This afternoon   Mostly cloudy. Highs around 90. Southwest winds 5 to 10 mph. Heat index values up to 105.
Tonight   Partly cloudy. A slight chance of showers and thunderstorms after midnight. Humid with lows in the mid 70s. South winds 5 to 10 mph. Chance of precipitation 20 percent. Heat index values up to 102 early in the evening.
Monday   Partly cloudy in the morning, then clearing. A chance of showers and thunderstorms in the morning. A slight chance of showers and thunderstorms late. Humid with highs around 90. Southwest winds 10 to 15 mph. Chance of precipitation 40 percent. Heat index values up to 105.
Monday night   Mostly clear. Humid with lows in the lower 70s. West winds 5 to 10 mph, becoming north after midnight. Heat index values up to 102 early in the evening.
Tuesday   Partly cloudy in the morning, then becoming mostly sunny. Humid with highs in the mid 80s. North winds 5 to 10 mph.
Tuesday night   Clear. Lows in the lower 60s.
Wednesday   Sunny. Highs in the lower 80s.
Wednesday night   Clear. Lows in the lower 60s.
Thursday   Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 80s.
Thursday night   Partly cloudy. Lows in the mid 60s.
Friday   Partly cloudy in the morning, then mostly cloudy with a chance of showers in the afternoon. Highs in the mid 80s. Chance of precipitation 30 percent.
Friday night   Partly cloudy. Lows in the mid 60s.
Saturday   Partly cloudy. Highs in the mid 80s.
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Bryce Anderson – DTN Meteorologist
Heating Up This Weekend, Some Limited Showers
Posted at 11:59AM Fri Jul 24, 2026 CDT
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