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County Forecast for Sublette , IL
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011400-
Lee-
Including the city of Dixon
141 AM CDT Tue Sep 1 2026

...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 9 PM CDT THIS
EVENING...

Rest of tonight   Partly cloudy. Isolated showers and thunderstorms. Lows in the lower 70s. Southwest winds around 5 mph. Chance of precipitation 20 percent.
Tuesday   Partly cloudy. Isolated showers and thunderstorms. Hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent. Heat index values up to 104.
Tuesday night   Mostly clear. Humid with lows in the lower 70s. South winds 5 to 10 mph.
Wednesday   Mostly sunny. Hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Heat index values up to 105.
Wednesday night   Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph.
Thursday   Partly cloudy. Scattered showers and thunderstorms, mainly in the morning. Highs around 90. Chance of precipitation 50 percent.
Thursday night   Mostly clear. Lows in the mid 70s.
Friday   Partly cloudy. Scattered showers and thunderstorms in the morning. Highs in the upper 80s. Chance of precipitation 40 percent.
Friday night   Partly cloudy in the evening, then mostly clear with a chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of precipitation 40 percent.
Saturday   Partly cloudy. Highs in the upper 80s.
Saturday night   Mostly clear in the evening, then becoming partly cloudy. A chance of showers after midnight. Lows in the upper 60s. Chance of precipitation 40 percent.
Sunday   Partly cloudy. Highs in the mid 80s.
Sunday night   Partly cloudy. Lows in the mid 60s.
Labor day   Mostly cloudy. Highs in the lower 80s.
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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Heat Continues for Tuesday
Posted at 12:08PM Mon Aug 31, 2026 CDT
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