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Alton, IL
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36°
Last Updated on Oct 14 2019, 6:50 am CDT
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| Current Conditions | Clear | | Relative Humidity | 100% | | Wind | Calm | | Pressure | 30.08 mb | | Dewpoint | 35.6 F (2.0 C) | | Visibility | 10.00 miles |
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7-Day Forecast
Columbus Day
Patchy Fog then Sunny
High: 68°
Patchy fog before 8am.
Otherwise, sunny with a high near 68.
Calm wind becoming
south around 6 mph in the afternoon.
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Tonight
Clear
Low: 49°
Clear with a low around 49.
Southeast wind around 7 mph.
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Tuesday
Chance T-storms
High: 73°
A 50% chance of showers and thunderstorms, mainly after 11am.
Mostly cloudy with a high near 73.
South wind 7 to 9 mph becoming
west in the afternoon.
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Tuesday Night
Chance Showers
Low: 43°
A 30% chance of showers before 1am.
Mostly cloudy during the early evening,
then gradual clearing with a low around 43.
Northwest wind 10 to 14 mph.
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Wednesday
Mostly Sunny
High: 56°
Mostly sunny with a high near 56.
Northwest wind 11 to 15 mph
with gusts as high as 22 mph.
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Wednesday Night
Mostly Clear
Low: 40°
Mostly clear with a low around 40.
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Thursday
Sunny
High: 63°
Sunny with a high near 63.
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Thursday Night
Mostly Clear
Low: 45°
Mostly clear with a low around 45.
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Friday
Mostly Sunny
High: 70°
Mostly sunny with a high near 70.
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Friday Night
Slight Chance T-storms
Low: 54°
A 20% chance of showers and thunderstorms before 1am.
Partly cloudy with a low around 54.
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Saturday
Mostly Sunny
High: 74°
Mostly sunny with a high near 74.
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Saturday Night
Chance T-storms
Low: 58°
A 30% chance of showers and thunderstorms.
Partly cloudy with a low around 58.
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Sunday
Chance T-storms
High: 75°
A 30% chance of showers and thunderstorms.
Mostly cloudy with a high near 75.
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Source: National Weather Service
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