Alton, IL Weather

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10 Day Weather - Alton, IL

Forecast for dates through

--|59°
50% Chance of Storms
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Tonight

59°

Mostly cloudy. Scattered showers with isolated thunderstorms. Patchy fog. Cooler. Near steady temperature in the mid 50s. Light and variable winds becoming northeast around 5 mph. Chance of rain 50 percent.

Hourly details

, Day

, Day

71°|64°
80% Chance of Storms
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Day

71°

Patchy fog in the morning. Scattered thunderstorms. Showers. Highs in the lower 70s. Southeast winds 5 to 10 mph. Chance of rain 80 percent.

Night

64°

Scattered thunderstorms. Showers. Lows in the lower 60s. South winds 5 to 10 mph. Chance of rain 80 percent.

Hourly details

, Day

, Day

70°|58°
Scattered Thunderstorms
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Day

70°

Scattered thunderstorms. Showers. Highs in the mid 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.

Night

58°

Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening then partly cloudy after midnight. Lows in the mid 50s. West winds 10 to 15 mph. Chance of rain 40 percent.

Hourly details

, Day

, Day

71°|51°
30% Chance Rain Showers
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Day

71°

Mostly sunny. A slight chance of showers in the morning then a chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 30 percent.

Night

51°

Partly cloudy in the evening then clearing. Lows in the mid 40s.

Hourly details
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, Day

, Day

68°|49°
Mostly Sunny
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Day

68°

Mostly clear. Highs around 70. Lows in the upper 40s.

Night

49°

Mostly clear. Highs around 70. Lows in the upper 40s.

Hourly details

, Day

, Day

71°|51°
Mostly Sunny
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Day

71°

Mostly clear. Highs around 70. Lows in the upper 40s.

Night

51°

Mostly clear. Highs around 70. Lows in the upper 40s.

Hourly details

, Day

, Day

75°|57°
Mostly Sunny
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Day

75°

Mostly clear. Highs in the upper 70s. Lows in the mid 50s.

Night

57°

Mostly clear. Highs in the upper 70s. Lows in the mid 50s.

Hourly details

, Day

, Day

77°|60°
Mostly Sunny
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Day

77°

Mostly clear. Highs in the upper 70s. Lows in the mid 50s.

Night

60°

Clear. Low temperature around 60F. Dew point will be around 57F with an average humidity of 77%. Winds will be 4 mph from the SE.

, Day

, Day

78°|61°
Mostly Sunny
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Day

78°

Mostly sunny. High temperature around 78F. Dew point will be around 59F with an average humidity of 65%. Winds will be 3 mph from the SE.

Night

61°

Mostly clear. Low temperature around 61F. Dew point will be around 58F with an average humidity of 75%. Winds will be 1 mph from the SE.

, Day

, Day

78°|62°
Mostly Sunny
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Day

78°

Mostly sunny. High temperature around 78F. Dew point will be around 60F with an average humidity of 67%. Winds will be 2 mph from the N.

Night

62°

Partly cloudy. Low temperature around 62F. Dew point will be around 59F with an average humidity of 75%. Winds will be 1 mph from the N.

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