10-Day Weather Forecast - Marissa, IL

Patchy fog and smoke this morning. Mostly sunny. Highs in the lower 90s. Southeast winds around 5 mph becoming south this afternoon. Heat index values up to 106 this afternoon.

Mostly clear in the evening then becoming partly cloudy. Humid with lows in the upper 70s. South winds around 5 mph. Heat index values up to 106 early in the evening.

Mostly sunny. A chance of showers with a slight chance of thunderstorms in the morning. Humid with highs in the mid 90s. West winds 10 to 15 mph. Chance of rain 40 percent. Heat index values up to 106.

Mostly clear. Lows in the upper 60s. North winds 10 to 15 mph diminishing to around 5 mph after midnight.

Sunny cooler with highs in the mid 80s. North winds 5 to 10 mph.

Partly cloudy. Lows in the lower 60s. Highs in the lower 80s.

Partly cloudy. Lows in the lower 60s. Highs in the lower 80s.

Mostly cloudy. A slight chance of showers after midnight. Lows in the mid 60s. Chance of rain 20 percent.

Partly sunny. A chance of showers in the morning then a slight chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 30 percent.

Mostly cloudy with a slight chance of showers and thunderstorms in the evening then partly cloudy with a chance of showers after midnight. Lows in the mid 60s. Chance of rain 30 percent.

Mostly sunny. A slight chance of showers in the morning. Highs in the upper 80s. Chance of rain 20 percent.

Mostly clear. Lows around 70. Highs in the lower 90s. Heat index values up to 100.

Mostly clear. Lows around 70. Highs in the lower 90s. Heat index values up to 100.

Clear. Low temperature around 75F. Dew point will be around 72F with an average humidity of 77%. Winds will be 4 mph from the SW.

Mostly sunny with widely scattered thunderstorms. Chance of storms 25%. High temperature around 92F. Dew point will be around 74F with an average humidity of 69%. Winds will be 4 mph from the SW.

Clear with a 30% chance for rain and thunderstorms. Low temperature around 76F. Dew point will be around 73F with an average humidity of 75%. Winds will be 2 mph from the SW.

Mostly sunny with widely scattered thunderstorms. Chance of storms 30%. High temperature around 92F. Dew point will be around 74F with an average humidity of 69%. Winds will be 2 mph from the W.

Clear with widely scattered thunderstorms. Chance of storms 30%. Low temperature around 74F. Dew point will be around 73F with an average humidity of 75%. Winds will be 1 mph from the S.