Monmouth, IL Weather Forecast

Local 7-day forecast

80°
F

Slight Chance Showers And Thunderstorms then Mostly Cloudy

Track current conditions, temperature changes, wind, and the full daily outlook for Monmouth, IL in one place.

Sunday, May 31, 2026
Wind: 10 to 15 mph SE
Sunday

A slight chance of showers and thunderstorms between 7am and 11am. Mostly cloudy, with a high near 80. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Local 7-day forecast

Local Weather Overview

This forecast page for Monmouth, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 30, 2026 7:45 PM CDT.

The active forecast window currently covers May 31 to Jun 5, 2026 for Monmouth, IL.

Page Snapshot

Page focus
city weather
Forecast window
May 31 to Jun 5, 2026
Latest sync
May 30, 2026 7:45 PM CDT
Forecast office
DVN
Source
NOAA / NWS
Next High
80°F
Sunday
Next Low
60°F
Sunday Night
Rain Outlook
7
Periods mentioning precipitation
Windiest
10 to 15 mph
Sunday

Daily Outlook

Today
May 31
Slight Chance Showers And Thunderstorms then Mostly Cloudy
80 °F
/ 60°F
Wind 10 to 15 mph
Mon
Jun 1
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
83 °F
/ 57°F
Wind 5 mph
Tue
Jun 2
Sunny
83 °F
/ 55°F
Wind 5 to 10 mph
Wed
Jun 3
Sunny
84 °F
/ 57°F
Wind 5 mph
Thu
Jun 4
Mostly Sunny
87 °F
/ 63°F
Wind 5 to 15 mph
Fri
Jun 5
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
88 °F
/ 64°F
Wind 10 to 15 mph

This Week in Monmouth

Friday looks like the warmest upcoming period in Monmouth at 88 degrees F.

Tuesday Night is the coolest period ahead with temperatures near 55 degrees F.

The strongest winds are forecast for Sunday at about 10 to 15 mph SE.

Precipitation is mentioned in 7 upcoming forecast periods.

Forecast Details

Last updated
May 30, 2026 7:45 PM CDT
Coverage
6 days
Time zone
America/Chicago
Forecast office
DVN
Radar station
KDVN

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Sunday Night
May 31
60°F
Partly Cloudy then Slight Chance Showers And Thunderstorms
5 to 10 mph SE

A slight chance of showers and thunderstorms between 2am and 3am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 60. Southeast wind 5 to 10 mph. Chance of precipitation is 40%.

Monday
Jun 1
83°F
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
5 mph E

A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 30%.

Monday Night
Jun 1
57°F
Slight Chance Showers And Thunderstorms then Mostly Clear
5 mph NE

A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 57.

Tuesday
Jun 2
83°F
Sunny
5 to 10 mph NE

Sunny, with a high near 83.

Tuesday Night
Jun 2
55°F
Mostly Clear
5 mph E

Mostly clear, with a low around 55.

Wednesday
Jun 3
84°F
Sunny
5 mph SE

Sunny, with a high near 84.

Wednesday Night
Jun 3
57°F
Mostly Clear
5 mph S

Mostly clear, with a low around 57.

Thursday
Jun 4
87°F
Mostly Sunny
5 to 15 mph S

Mostly sunny, with a high near 87.

Thursday Night
Jun 4
63°F
Mostly Cloudy then Slight Chance Showers And Thunderstorms
10 mph S

A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63.

Friday
Jun 5
88°F
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
10 to 15 mph SW

A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 40%.

Friday Night
Jun 5
64°F
Chance Showers And Thunderstorms
10 mph SW

A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.

Detailed Forecast

Period Conditions Temp Wind
Sunday
May 31
Slight Chance Showers And Thunderstorms then Mostly Cloudy
80°F
10 to 15 mph
SE
Sunday Night
May 31
Partly Cloudy then Slight Chance Showers And Thunderstorms
60°F
5 to 10 mph
SE
Monday
Jun 1
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
83°F
5 mph
E
Monday Night
Jun 1
Slight Chance Showers And Thunderstorms then Mostly Clear
57°F
5 mph
NE
Tuesday
Jun 2
Sunny
83°F
5 to 10 mph
NE
Tuesday Night
Jun 2
Mostly Clear
55°F
5 mph
E
Wednesday
Jun 3
Sunny
84°F
5 mph
SE
Wednesday Night
Jun 3
Mostly Clear
57°F
5 mph
S
Thursday
Jun 4
Mostly Sunny
87°F
5 to 15 mph
S
Thursday Night
Jun 4
Mostly Cloudy then Slight Chance Showers And Thunderstorms
63°F
10 mph
S
Friday
Jun 5
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
88°F
10 to 15 mph
SW
Friday Night
Jun 5
Chance Showers And Thunderstorms
64°F
10 mph
SW

Nearby Forecasts

Explore weather pages for nearby cities and major places around Monmouth.

Nearby forecast pages are not available for this location yet.

Patton Block Building
Patton Block Building image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.