120100-
Piatt-
Including the city of Monticello
1228 PM CDT Tue Aug 11 2026

This afternoon   Partly sunny with a slight chance of showers and thunderstorms. Near steady temperature in the upper 80s. Southwest winds 10 to 15 mph. Chance of rain 20 percent. Heat index values up to 101.
Tonight   Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. Chance of rain 30 percent.
Wednesday   Partly sunny with a chance of thunderstorms. A chance of showers. Humid with highs in the mid 80s. Southwest winds 5 to 10 mph. Chance of rain 50 percent.
Wednesday night   Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy with showers likely after midnight. Humid with lows around 70. East winds around 5 mph. Chance of rain 70 percent.
Thursday   Partly sunny in the morning, then becoming mostly cloudy. A chance of showers. A chance of thunderstorms in the afternoon. Humid with highs in the mid 80s. Northeast winds around 5 mph. Chance of rain 50 percent.
Thursday night   A chance of thunderstorms. Showers. Lows in the upper 60s. Chance of rain 80 percent.
Friday   Mostly cloudy. A chance of showers in the morning. Highs in the lower 80s. Chance of rain 40 percent.
Friday night   Mostly cloudy in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 40 percent.
Saturday through sunday night   Partly cloudy. Highs in the upper 80s. Lows around 70.
Monday   Mostly sunny. Highs in the lower 80s.