County Forecast for Monticello , IL
Change Zip Code: 
 
190600-
Piatt-
Including the city of Monticello
521 PM CDT Fri Apr 18 2025

Tonight   Thunderstorms likely. Showers. Some thunderstorms may produce heavy rainfall. Lows in the mid 50s. Southwest winds 15 to 20 mph with gusts up to 35 mph, becoming west 10 to 15 mph with gusts up to 25 mph after midnight. Chance of rain 90 percent.
Saturday   Showers with a slight chance of thunderstorms in the morning, then a chance of showers in the afternoon. Some thunderstorms may produce heavy rainfall in the morning. Much cooler with highs in the lower 60s. Northwest winds around 10 mph. Chance of rain 90 percent.
Saturday night   Showers likely. Lows in the upper 40s. Northeast winds 10 to 15 mph. Chance of rain 70 percent.
Sunday   Showers in the morning, then a chance of showers and thunderstorms in the afternoon. Not as cool with highs in the lower 70s. East winds 15 to 20 mph. Chance of rain 80 percent.
Sunday night   A chance of thunderstorms. Showers. Lows in the mid 50s. Southeast winds 15 to 20 mph, becoming south after midnight. Chance of rain 90 percent.
Monday   Partly sunny and breezy. Highs in the mid 60s.
Monday night and tuesday   Mostly clear. Lows in the mid 40s. Highs in the mid 70s.
Tuesday night and wednesday   Partly cloudy. Lows in the lower 50s. Highs in the upper 70s.
Wednesday night   Mostly cloudy. A chance of showers after midnight. Lows in the mid 50s. Chance of rain 30 percent.
Thursday   Partly sunny. A chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 30 percent.
Thursday night   Mostly cloudy with a chance of showers. Lows in the upper 50s. Chance of rain 50 percent.
Friday   Mostly cloudy with a chance of showers in the morning, then partly sunny with showers likely in the afternoon. Highs in the mid 70s. Chance of rain 60 percent.
DTN Weather
Local Weather
Radar
County Forecast
State Forecast
DTN Weather Commentary
US Satellite
Current Surface Analysis
Wind Conditions
Today's Forecast Highs
Tonight's Forecast Lows
24 Hr Surface Forecast
Jet Stream Forecast
24 Hr Rainfall Estimate
24 Hr StormPath Accum
48 Hr StormPath Accum
6-10 Day Temp Forecast
6-10 Day Precip Forecast
Thunderstorm Outlook
US Drought Monitor
US Palmer Drought Index
US Crop Moisture Index
US Growing Degree Days
Soil Temperatures
Hurricane Tracking

DTN Weather Summary

Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Stormy Pattern Continues Across the Midwest and Plains Into Friday
Posted at 12:00PM Thu Apr 17, 2025 CDT
Click here to get your local weather emailed to you each day.
 
Copyright DTN. All rights reserved. Disclaimer.
Powered By DTN