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August 10th, 2026 :: 2:41 pm CDT   

Local Weather Report for
Monmouth
Illinois, United States

 Monmouth Weather Forecast Summary  
 
Today
Aug 10th
Tuesday
Aug 11th
Wednesday
Aug 12th
Thursday
Aug 13th
Friday
Aug 14th
Mostly Sunny Mostly Sunny Mostly Sunny Mix of Cloud and Sun Mostly Sunny
91°F
91°F
74°F
83°F
71°F
79°F
67°F
80°F
64°F
 
 Monmouth Detailed Weather Forecast  
 
Monday, August 10th, 2026
Afternoon Temperature: 90°F
A mix of cloud and sun. Chance of a thunderstorm. Windy at times.
Evening Temperature: 82°F
Clear. Chance of a thunderstorm.
Tuesday, August 11th, 2026
Overnight Temperature: 77°F
Mostly clear. Chance of a thunderstorm.
Morning Temperature: 79°F
Mostly sunny. Chance of a thunderstorm.
Afternoon Temperature: 87°F
A mix of sun and cloud. Chance of a thunderstorm. Windy at times.
Evening Temperature: 79°F
Mostly clear with a chance of showers or thundershowers. Windy at times.
Wednesday, August 12th, 2026
Overnight Temperature: 72°F
Clear with a chance of showers or thundershowers.
Morning Temperature: 75°F
Sunny with cloudy periods with a slight chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 79°F
Mostly cloudy with a slight chance of showers or thundershowers. Windy at times.
Evening Temperature: 76°F
Clear. Chance of a thunderstorm. Windy at times.
Thursday, August 13th, 2026
Overnight Temperature: 68°F
Mostly clear with a chance of showers. Windy at times.
Morning Temperature: 69°F
A mix of cloud and sun with a chance of showers. Windy at times.
Afternoon Temperature: 78°F
Mostly cloudy with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 71°F
Mostly cloudy with a chance of showers. Windy at times.
Friday, August 14th, 2026
Overnight Temperature: 66°F
Mostly clear with a chance of showers.
Morning Temperature: 66°F
A mix of cloud and sun.
Afternoon Temperature: 78°F
Sunny with cloudy periods with a slight chance of showers. Windy at times.
Evening Temperature: 73°F
Mostly clear. Windy at times.
Saturday, August 15th, 2026
Overnight Temperature: 68°F
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 74°F
A mix of sun and cloud with a slight chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 91°F
Mostly sunny with a slight chance of showers or thundershowers.
Evening Temperature: 83°F
Clear. Chance of a thunderstorm. Windy at times.
Sunday, August 16th, 2026
Overnight Temperature: 72°F
Mostly clear with a chance of showers or thundershowers.
Morning Temperature: 73°F
A mix of cloud and sun with a chance of showers. Slight chance of a thunderstorm.
Afternoon Temperature: 85°F
Sunny with cloudy periods. Chance of a thunderstorm. Windy at times.
Evening Temperature: 73°F
A mix of clear and cloudy skies with a chance of showers. Windy at times.
Monday, August 17th, 2026
Overnight Temperature: 65°F
Mostly cloudy with a chance of showers.
Morning Temperature: 68°F
A mix of cloud and sun with a slight chance of showers. Windy at times.
Afternoon Temperature: 74°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 70°F
Mostly clear.
Tuesday, August 18th, 2026
Overnight Temperature: 61°F
Clear with cloudy periods.
Morning Temperature: 66°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 81°F
Mostly sunny. Windy at times.
Evening Temperature: 76°F
Clear. Slight chance of a thunderstorm. Windy at times.





 

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Overcast

 
This WeatherCity Weather Forecast for Monmouth, Illinois, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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