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Grigg, IL Weather Forecast
Grigg, IL Weather Forecast Date: 239 PM CDT Fri Oct 30 2026
The area/counties/county of: Randolph County Il, including the cities of: Chester and Sparta.or toggle through each period.
Tonight... Mostly cloudy. Lows in the upper 50s. East winds around 5 mph.
Saturday... Cloudy. A chance of sprinkles in the afternoon. Highs in the mid 70s. East winds around 5 mph.
Saturday Night... Mostly cloudy. A chance of sprinkles in the evening, then showers likely after midnight. Lows in the upper 50s. Southeast winds around 5 mph. Chance of rain 60%.
Sunday... Showers likely, mainly in the morning. Highs in the mid 60s. Southeast winds 5 to 10 mph. Chance of rain 70%.
Sunday Night... Cloudy. Lows in the mid 50s. Southeast winds around 5 mph.
Monday... Cloudy with a 20% chance of showers. Highs in the upper 60s.
Monday Night... Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the upper 50s. Chance of rain 40%.
Tuesday... Showers likely with a slight chance of thunderstorms. Highs in the lower 70s. Lows in the mid 50s. Chance of rain 70%.
Tuesday Night... Showers likely with a slight chance of thunderstorms. Highs in the lower 70s. Lows in the mid 50s. Chance of rain 70%.
Wednesday... Partly sunny with a 50% chance of showers. Highs in the upper 60s.
Wednesday Night... Mostly cloudy. A 20% chance of showers. Lows in the upper 40s. Highs in the mid 60s.
Thursday... Mostly cloudy. A 20% chance of showers. Lows in the upper 40s. Highs in the mid 60s.
Thursday Night... Partly cloudy. Lows in the mid 40s. Highs in the mid 60s.
POP = Probability of Precipitation
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