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Palmyra, IL 7-Day Night Weather Forecast
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Palmyra, IL Weather Forecast
Palmyra, IL Weather Forecast Date: 237 AM CDT Thu Sep 17 2026
The area/counties/county of: Greene County Il, Jersey County Il.or toggle through each period.
Today... Sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs in the mid 90s. Southwest winds 5 to 10 mph with gusts up to 20 mph, becoming west this afternoon. Chance of rain 20%. Heat index values up to 105.
Tonight... Mostly clear in the evening, then becoming partly cloudy. Humid with lows around 70. West winds around 5 mph, becoming northeast after midnight. Heat index values up to 101 early in the evening.
Friday... Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. East winds around 5 mph, becoming south around 5 mph in the afternoon. Chance of rain 20%. Heat index values up to 101.
Friday Night... Partly cloudy with a slight chance of showers in the evening, then mostly clear after midnight. Lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 20%.
Saturday... Mostly sunny. Hot with highs in the mid 90s. Southwest winds 5 to 10 mph.
Saturday Night... Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows around 70. Chance of rain 20%.
Sunday... Mostly sunny with a slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the upper 80s. Chance of rain 30%.
Sunday Night... Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the mid 60s. Chance of rain 50%.
Monday... A slight chance of thunderstorms. Showers likely, mainly in the morning. Highs in the lower 80s. Chance of rain 60%.
Monday Night... Mostly cloudy with a 50% chance of showers. Lows around 60.
Tuesday... Mostly sunny. A slight chance of showers in the morning. Highs in the upper 70s. Chance of rain 20%.
Tuesday Night... Partly cloudy. Lows in the upper 50s. Highs around 80.
POP = Probability of Precipitation
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