10 Day Weather - Alton, IL
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SundayPartly Cloudy81°NightMostly Clear63°Day DetailsPartly cloudy. High temperature around 81F. Dew point will be around 56F with an average humidity of 67%. Winds will be 6 mph from the NW.Night DetailsMostly clear. Lows in the upper 50s. Northwest winds around 5 mph.
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MondayMostly Sunny78°NightMostly Clear60°Day DetailsMostly sunny. Highs in the upper 70s. North winds 5 to 10 mph.Night DetailsMostly clear. Lows in the lower 50s. Northeast winds 5 to 10 mph.
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TuesdaySunny81°NightMostly Clear67°Day DetailsSunny. Highs in the lower 80s. Southeast winds around 5 mph becoming south in the afternoon.Night DetailsMostly clear. Lows around 60. South winds around 5 mph.
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WednesdayMostly Sunny91°NightMostly Clear75°Day DetailsMostly clear. Highs in the upper 80s. Lows in the mid 60s.Night DetailsMostly clear. Highs in the upper 80s. Lows in the mid 60s.
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ThursdaySunny95°NightPartly Cloudy78°Day DetailsSunny. Highs in the lower 90s.Night DetailsMostly clear in the evening then becoming partly cloudy. A slight chance of showers and thunderstorms. Lows around 70. Chance of rain 20 percent.
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FridayMostly Sunny93°NightMostly Clear72°Day DetailsMostly sunny. Highs in the lower 90s.Night DetailsMostly clear. Lows around 70. Highs in the mid 90s.
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SaturdayMostly Sunny90°NightMostly Clear76°Saturday 6/15Day90°Mostly SunnyNight76°Mostly ClearDay DetailsMostly clear. Lows around 70. Highs in the mid 90s.Night DetailsMostly clear. Lows around 70. Highs in the mid 90s.
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SundayMostly Sunny94°NightClear79°Sunday 6/16Day94°Mostly SunnyNight79°ClearDay DetailsMostly clear. Lows around 70. Highs in the mid 90s.Night DetailsClear. Low temperature around 79F. Dew point will be around 67F with an average humidity of 58%. Winds will be 7 mph from the S.
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Monday50% Chance of Rain93°Night50% Chance of Rain79°Monday 6/17Day93°50% Chance of RainNight79°50% Chance of RainDay DetailsSunny with a 45% chance for rain and thunderstorms. High temperature around 93F. Dew point will be around 69F with an average humidity of 55%. Winds will be 6 mph from the S.Night DetailsMostly clear with a 50% chance for rain and thunderstorms. Low temperature around 79F. Dew point will be around 70F with an average humidity of 61%. Winds will be 3 mph from the SE.
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Tuesday40% Chance of Rain92°Night30% Chance of Rain78°Tuesday 6/18Day92°40% Chance of RainNight78°30% Chance of RainDay DetailsSunny with a 40% chance for rain and thunderstorms. High temperature around 92F. Dew point will be around 69F with an average humidity of 57%. Winds will be 2 mph from the SE.Night DetailsClear with a 30% chance for rain and thunderstorms. Low temperature around 78F. Dew point will be around 69F with an average humidity of 61%. Winds will be 2 mph from the E.
