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Grigg, Illinois Weather Forecast
Grigg, Illinois Weather
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Weather Forecast for Grigg, Illinois : Randolph County
Issued: 3:16 am CST Nov 5, 2025 Latitude: 38.1906056 Longitude: -89.9078827 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Veterans Day
Cloudy on Overnight Sunny on Wednesday Sunny on Thursday 30% chance of thunderstorms on Friday Mostly Sunny on Saturday Mostly Sunny on Sunday Sunny on Monday Mostly Sunny on Veterans Day
Low: 51°F High: 71°F High: 65°F High: 73°F High: 67°F High: 46°F High: 44°F High: 55°F
Low: 38°F Low: 53°F Low: 44°F Low: 37°F Low: 25°F Low: 27°F  
Cloudy Sunny Sunny Thunderstorms Mostly Sunny Mostly Sunny Sunny Mostly Sunny
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Current Conditions at
SPARTA - (KSAR)
55°
Clear
as of 3:15 AM CST
Rel. Humidity: 71%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
8 MPH
200° South
Cloud Level(s): Clear
Current Conditions at
SCOTT AFB - (KBLV)
54°
Clear
as of 2:55 AM CST
Rel. Humidity: 81%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
8 MPH
220° Southwest
Cloud Level(s): Clear
Current Conditions at
EAST ST LOUIS - (KCPS)
59°
Clear
as of 2:53 AM CST
Rel. Humidity: 62%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
10 MPH
200° South
Cloud Level(s): Clear
Current Conditions at
FARMINGTON ARPT - (KFAM)
54°
Clear
as of 2:56 AM CST
Rel. Humidity: 76%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
7 MPH
130° Southeast
Cloud Level(s): Clear
Cloudy on Overnight Overnight... Partly cloudy, with a low around 51. South wind around 9 mph.

Sunny on Wednesday Wednesday... Sunny, with a high near 71. South wind 8 to 13 mph becoming north in the afternoon. Winds could gust as high as 22 mph.

Clear on Wednesday Night Wednesday Night... Clear, with a low around 38. North wind around 6 mph becoming light and variable in the evening.

Sunny on Thursday Thursday... Sunny, with a high near 65. Light and variable wind becoming southeast 6 to 11 mph in the morning.

20% chance of rain Thursday Night Thursday Night... A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 53. South wind 7 to 10 mph, with gusts as high as 20 mph.

30% chance of thunderstorms Friday Friday... A chance of rain and thunderstorms. Mostly sunny, with a high near 73. Chance of precipitation is 30%.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 44.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 67.

20% chance of rain Saturday Night Saturday Night... A 20 percent chance of rain before midnight. Partly cloudy, with a low around 37.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 46.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 25.

Sunny on Monday Monday... Sunny, with a high near 44.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 27.

Mostly Sunny on Veterans Day Veterans Day... Mostly sunny, with a high near 55.

Current Radar Image


Sun Almanac for Grigg, Illinois
Sunrise: 06:31 AM
Sunset: 4:56 PM
Civil Sunrise:06:03 AM
Civil Sunset: 5:24 PM
Nautical Sunrise: 05:32 AM
Nautical Sunset: 5:55 PM
Astro Sunrise: 05:01 AM
Astro Sunset: 6:26 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.