Topflight Grain Co

	County Forecast for Monticello , IL

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080100-
Piatt-
Including the city of Monticello
1137 AM CST Sat Mar 7 2026

This afternoon   Cloudy with a 20 percent chance of showers. Cooler with highs in the mid 60s. Temperature falling into the upper 40s. Southwest winds around 20 mph, becoming west.
Tonight   Mostly cloudy in the evening, then clearing. Much cooler with lows in the mid 30s. West winds 10 to 15 mph.
Sunday   Sunny. Highs in the lower 60s. Southwest winds 15 to 20 mph.
Sunday night   Clear. Not as cool with lows in the mid 40s. Southwest winds around 15 mph with gusts up to 25 mph.
Monday   Sunny. Not as cool with highs in the lower 70s. Southwest winds 15 to 20 mph with gusts up to 30 mph.
Monday night   Mostly clear in the evening, then becoming partly cloudy. Not as cool with lows in the mid 50s.
Tuesday   Partly sunny in the morning, then mostly cloudy with a chance of rain and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 50 percent.
Tuesday night   Rain with a chance of thunderstorms. Lows in the upper 40s. Chance of rain near 100 percent.
Wednesday   Rain, mainly in the morning. Breezy and much cooler with highs around 60. Chance of rain near 100 percent.
Wednesday night   Mostly cloudy with a chance of rain in the evening, then mostly clear after midnight. Much cooler with lows in the upper 20s. Chance of rain 30 percent.
Thursday   Mostly sunny. Cooler with highs in the upper 40s.
Thursday night and friday   Mostly cloudy and windy. Lows in the mid 30s. Highs in the upper 50s.

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Bryce Anderson – DTN Meteorologist

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Heavy Rain Pushing East This Week

Widespread precipitation as the system moves east over the weekend, including areas of severe weather and flooding. » More DTN Weather Commentary

Posted at 12:09PM Fri Mar 6, 2026 CST

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