Clarke City, IL Weather Forecast

Local 7-day forecast

80°

Showers And Thunderstorms Likely

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

Wednesday, September 16, 2026

Wind: 5 mph NE

Wednesday

Showers and thunderstorms likely before 4pm, then a slight chance of showers and thunderstorms. Mostly cloudy. High near 80, with temperatures falling to around 78 in the afternoon. Northeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

Local 7-day forecast

Local Weather Overview

This forecast page for Clarke City, 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: Sep 15, 2026 12:47 PM CDT.

The active forecast window currently covers Sep 16 to Sep 21, 2026 for Clarke City, IL.

Page Snapshot

Page focus: city weather
Forecast window: Sep 16 to Sep 21, 2026
Latest sync: Sep 15, 2026 12:47 PM CDT
Forecast office: LOT
Source: NOAA / NWS

Next High

80°F

Wednesday

Next Low

68°F

Wednesday Night

Rain Outlook

Periods mentioning precipitation

Windiest

5 to 10 mph

Friday Night

Daily Outlook

Today

Sep 16

Showers And Thunderstorms Likely

80 °F

/ 68°F

Wind 5 mph

Thu

Sep 17

Showers And Thunderstorms Likely

84 °F

/ 65°F

Wind 0 to 5 mph

Fri

Sep 18

Chance Showers And Thunderstorms

83 °F

/ 66°F

Wind 5 mph

Sat

Sep 19

Chance Rain Showers then Chance Showers And Thunderstorms

87 °F

/ 65°F

Wind 10 mph

Sun

Sep 20

Showers And Thunderstorms Likely

78 °F

/ 57°F

Wind 5 to 10 mph

Mon

Sep 21

Slight Chance Showers And Thunderstorms

74 °F

/ 54°F

Wind 5 to 10 mph

This Week in Clarke City

Saturday looks like the warmest upcoming period in Clarke City at 87 degrees F.

Monday Night is the coolest period ahead with temperatures near 54 degrees F.

The strongest winds are forecast for Friday Night at about 5 to 10 mph SE.

Precipitation is mentioned in 12 upcoming forecast periods.

Forecast Details

Last updated: Sep 15, 2026 12:47 PM CDT
Coverage: 6 days
Time zone: America/Chicago
Forecast office: LOT
Radar station: KLOT

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

Open NOAA source

Extended Forecast

Wednesday Night

Sep 16

68°F

Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely

0 to 5 mph E

A slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 68. East wind 0 to 5 mph. Chance of precipitation is 60%.

Thursday

Sep 17

84°F

Showers And Thunderstorms Likely

0 to 5 mph WNW

Showers and thunderstorms likely before 1pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 84. West northwest wind 0 to 5 mph. Chance of precipitation is 60%.

Thursday Night

Sep 17

65°F

Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms

5 mph NE

A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.

Friday

Sep 18

83°F

Chance Showers And Thunderstorms

5 mph E

A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 83.

Friday Night

Sep 18

66°F

Chance Showers And Thunderstorms

5 to 10 mph SE

A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 66.

Saturday

Sep 19

87°F

Chance Rain Showers then Chance Showers And Thunderstorms

10 mph SSW

A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 87.

Saturday Night

Sep 19

65°F

Showers And Thunderstorms Likely

5 mph WNW

Showers and thunderstorms likely. Mostly cloudy, with a low around 65.

Sunday

Sep 20

78°F

Showers And Thunderstorms Likely

5 to 10 mph N

Showers and thunderstorms likely. Partly sunny, with a high near 78.

Sunday Night

Sep 20

57°F

Chance Showers And Thunderstorms

5 to 10 mph NNE

A chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 57.

Monday

Sep 21

74°F

Slight Chance Showers And Thunderstorms

5 to 10 mph NE

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 74.

Monday Night

Sep 21

54°F

Slight Chance Showers And Thunderstorms then Partly Cloudy

5 to 10 mph NE

A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 54.

Detailed Forecast

Period	Conditions	Temp	Wind	Details
Wednesday Sep 16	Showers And Thunderstorms Likely	80°F	5 mph NE	Showers and thunderstorms likely before 4pm, then a slight chance of showers and thunderstorms. Mostly cloudy. High near...
Wednesday Night Sep 16	Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely	68°F	0 to 5 mph E	A slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a lo...
Thursday Sep 17	Showers And Thunderstorms Likely	84°F	0 to 5 mph WNW	Showers and thunderstorms likely before 1pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a hi...
Thursday Night Sep 17	Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms	65°F	5 mph NE	A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with...
Friday Sep 18	Chance Showers And Thunderstorms	83°F	5 mph E	A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 83.
Friday Night Sep 18	Chance Showers And Thunderstorms	66°F	5 to 10 mph SE	A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 66.
Saturday Sep 19	Chance Rain Showers then Chance Showers And Thunderstorms	87°F	10 mph SSW	A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Saturday Night Sep 19	Showers And Thunderstorms Likely	65°F	5 mph WNW	Showers and thunderstorms likely. Mostly cloudy, with a low around 65.
Sunday Sep 20	Showers And Thunderstorms Likely	78°F	5 to 10 mph N	Showers and thunderstorms likely. Partly sunny, with a high near 78.
Sunday Night Sep 20	Chance Showers And Thunderstorms	57°F	5 to 10 mph NNE	A chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms. Mostly cloudy, with...
Monday Sep 21	Slight Chance Showers And Thunderstorms	74°F	5 to 10 mph NE	A slight chance of showers and thunderstorms. Mostly sunny, with a high near 74.
Monday Night Sep 21	Slight Chance Showers And Thunderstorms then Partly Cloudy	54°F	5 to 10 mph NE	A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 54.

Nearby Forecasts

Explore weather pages for nearby cities and major places around Clarke City.

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Grundy County weather

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