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May 13th, 2026 :: 1:19 pm CDT   

Local Weather Report for
Monmouth
Illinois, United States

 Monmouth Weather Forecast Summary  
 
Today
May 13th
Thursday
May 14th
Friday
May 15th
Saturday
May 16th
Sunday
May 17th
Sunny Mostly Sunny Mix of Cloud and Sun Thundershowers Thundershowers
64°F
68°F
46°F
77°F
54°F
83°F
63°F
82°F
62°F
 
 Monmouth Detailed Weather Forecast  
 
Wednesday, May 13th, 2026
Afternoon Temperature: 62°F
Sunny. Windy.
Evening Temperature: 55°F
Clear. Windy at times.
Thursday, May 14th, 2026
Overnight Temperature: 47°F
Clear.
Morning Temperature: 54°F
Sunny.
Afternoon Temperature: 67°F
Mostly sunny. Windy at times.
Evening Temperature: 60°F
A mix of clear and cloudy skies. Windy at times.
Friday, May 15th, 2026
Overnight Temperature: 55°F
Cloudy with a chance of showers. Windy at times.
Morning Temperature: 59°F
Mostly sunny with a chance of showers. Windy.
Afternoon Temperature: 75°F
A mix of sun and cloud. Chance of a thunderstorm. Windy at times.
Evening Temperature: 69°F
A mix of clear and cloudy skies with a chance of showers or thundershowers.
Saturday, May 16th, 2026
Overnight Temperature: 66°F
Clear with cloudy periods with a chance of showers or thundershowers.
Morning Temperature: 72°F
Sunny. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 82°F
Mostly sunny with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 65°F
Mostly cloudy with a few showers. Chance of a thunderstorm. Windy.
Sunday, May 17th, 2026
Overnight Temperature: 62°F
A mix of clear and cloudy skies with showers likely.
Morning Temperature: 68°F
Sunny with cloudy periods with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 80°F
A mix of sun and cloud. Chance of a thunderstorm. Windy.
Evening Temperature: 75°F
Clear. Chance of a thunderstorm. Windy at times.
Monday, May 18th, 2026
Overnight Temperature: 71°F
Mostly clear. Chance of a thunderstorm. Windy.
Morning Temperature: 74°F
Mostly sunny. Chance of a thunderstorm. Windy.
Afternoon Temperature: 78°F
A mix of cloud and sun. Chance of a thunderstorm. Wind 20 to 30 mph.
Evening Temperature: 77°F
Clear. Chance of a thunderstorm. Windy.
Tuesday, May 19th, 2026
Overnight Temperature: 68°F
Mostly cloudy with a chance of showers or thundershowers. Windy.
Morning Temperature: 56°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 64°F
Mostly sunny. Windy at times.
Evening Temperature: 56°F
Clear with cloudy periods. Windy at times.
Wednesday, May 20th, 2026
Overnight Temperature: 49°F
Clear.
Morning Temperature: 56°F
Sunny.
Afternoon Temperature: 69°F
Sunny.
Evening Temperature: 62°F
Clear. Windy at times.
Thursday, May 21st, 2026
Overnight Temperature: 57°F
Cloudy with clear periods. Windy.
Morning Temperature: 61°F
Mostly sunny. Windy at times.
Afternoon Temperature: 68°F
Sunny. Windy.
Evening Temperature: 57°F
Clear. Windy at times.





 

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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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