Grand Ridge, IL Weather Forecast

Local 7-day forecast

77°

Showers And Thunderstorms Likely

Track current conditions, temperature changes, wind, and the full daily outlook for Grand Ridge, 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, with a high near 77. Northeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

Local 7-day forecast

Local Weather Overview

This forecast page for Grand Ridge, 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 8:08 AM CDT.

The active forecast window currently covers Sep 16 to Sep 21, 2026 for Grand Ridge, IL.

Page Snapshot

Page focus: city weather
Forecast window: Sep 16 to Sep 21, 2026
Latest sync: Sep 15, 2026 8:08 AM CDT
Forecast office: LOT
Source: NOAA / NWS

Next High

77°F

Wednesday

Next Low

68°F

Wednesday Night

Rain Outlook

Periods mentioning precipitation

Windiest

5 to 15 mph

Monday

Daily Outlook

Today

Sep 16

Showers And Thunderstorms Likely

77 °F

/ 68°F

Wind 5 mph

Thu

Sep 17

Showers And Thunderstorms Likely

82 °F

/ 66°F

Wind 5 mph

Fri

Sep 18

Chance Showers And Thunderstorms

81 °F

/ 68°F

Wind 5 to 10 mph

Sat

Sep 19

Chance Rain Showers then Chance Showers And Thunderstorms

84 °F

/ 65°F

Wind 10 mph

Sun

Sep 20

Rain Showers Likely

76 °F

/ 58°F

Wind 5 to 10 mph

Mon

Sep 21

Slight Chance Rain Showers

72 °F

/ 55°F

Wind 5 to 15 mph

This Week in Grand Ridge

Saturday looks like the warmest upcoming period in Grand Ridge at 84 degrees F.

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

The strongest winds are forecast for Monday at about 5 to 15 mph NE.

Precipitation is mentioned in 12 upcoming forecast periods.

Forecast Details

Last updated: Sep 15, 2026 8:08 AM 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

5 mph E

A slight chance of showers and thunderstorms before 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 68. East wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.

Thursday

Sep 17

82°F

Showers And Thunderstorms Likely

5 mph WNW

Showers and thunderstorms likely before 1pm. Mostly cloudy, with a high near 82. West northwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 60%.

Thursday Night

Sep 17

66°F

Mostly Cloudy then Chance Showers And Thunderstorms

5 mph NE

A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.

Friday

Sep 18

81°F

Chance Showers And Thunderstorms

5 to 10 mph E

A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 81.

Friday Night

Sep 18

68°F

Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms

10 mph SE

A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 68.

Saturday

Sep 19

84°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 84.

Saturday Night

Sep 19

65°F

Showers And Thunderstorms Likely

5 to 10 mph WNW

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

Sunday

Sep 20

76°F

Rain Showers Likely

5 to 10 mph N

Rain showers likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 76.

Sunday Night

Sep 20

58°F

Chance Showers And Thunderstorms

5 to 10 mph NNE

A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 58.

Monday

Sep 21

72°F

Slight Chance Rain Showers

5 to 15 mph NE

A slight chance of rain showers after 7am. Mostly sunny, with a high near 72.

Monday Night

Sep 21

55°F

Slight Chance Rain Showers then Partly Cloudy

5 to 10 mph NE

A slight chance of rain showers before 7pm. Partly cloudy, with a low around 55.

Detailed Forecast

Period	Conditions	Temp	Wind	Details
Wednesday Sep 16	Showers And Thunderstorms Likely	77°F	5 mph NE	Showers and thunderstorms likely before 4pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a hi...
Wednesday Night Sep 16	Slight Chance Showers And Thunderstorms	68°F	5 mph E	A slight chance of showers and thunderstorms before 1am, then showers and thunderstorms likely. Mostly cloudy, with a lo...
Thursday Sep 17	Showers And Thunderstorms Likely	82°F	5 mph WNW	Showers and thunderstorms likely before 1pm. Mostly cloudy, with a high near 82. West northwest wind around 5 mph, with...
Thursday Night Sep 17	Mostly Cloudy then Chance Showers And Thunderstorms	66°F	5 mph NE	A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Friday Sep 18	Chance Showers And Thunderstorms	81°F	5 to 10 mph E	A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a...
Friday Night Sep 18	Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms	68°F	10 mph SE	A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with...
Saturday Sep 19	Chance Rain Showers then Chance Showers And Thunderstorms	84°F	10 mph SSW	A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Saturday Night Sep 19	Showers And Thunderstorms Likely	65°F	5 to 10 mph WNW	Showers and thunderstorms likely. Mostly cloudy, with a low around 65.
Sunday Sep 20	Rain Showers Likely	76°F	5 to 10 mph N	Rain showers likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 76.
Sunday Night Sep 20	Chance Showers And Thunderstorms	58°F	5 to 10 mph NNE	A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 58.
Monday Sep 21	Slight Chance Rain Showers	72°F	5 to 15 mph NE	A slight chance of rain showers after 7am. Mostly sunny, with a high near 72.
Monday Night Sep 21	Slight Chance Rain Showers then Partly Cloudy	55°F	5 to 10 mph NE	A slight chance of rain showers before 7pm. Partly cloudy, with a low around 55.

Nearby Forecasts

Explore weather pages for nearby cities and major places around Grand Ridge.

Region Links

LaSalle County weather

County forecast page

Illinois weather

Statewide weather overview

United States weather

National weather entry point

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