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Alton, IL
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77°
Last Updated on Jun 16 2019, 8:46 pm CDT
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| Current Conditions | Clear | | Relative Humidity | 74% | | Wind | Northwest at 5.8 MPH
(5 KT) | | Pressure | 29.85 mb | | Dewpoint | 68.0 F (20.0 C) | | Visibility | 10.00 miles |
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7-Day Forecast
Tonight
Scattered T-storms
Low: 67°
Scattered showers and thunderstorms.
Mostly cloudy with a low around 67.
Light and variable wind.
Chance of precipitation is 40%.
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Monday
Chance T-storms
High: 79°
A 40% chance of showers and thunderstorms.
Cloudy with a high near 79.
Light and variable wind becoming
north 5 to 7 mph in the morning.
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Monday Night
Slight Chance T-storms
Low: 65°
A 20% chance of showers and thunderstorms before 1am.
Mostly cloudy with a low around 65.
Northeast wind 3 to 5 mph.
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Tuesday
Chance T-storms
High: 83°
A 30% chance of showers and thunderstorms, mainly after 1pm.
Partly sunny with a high near 83.
Calm wind becoming
north around 6 mph in the afternoon.
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Tuesday Night
Chance T-storms
Low: 67°
A 40% chance of showers and thunderstorms.
Mostly cloudy with a low around 67.
North wind around 6 mph becoming light and variable.
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Wednesday
T-storms Likely
High: 82°
Showers and thunderstorms likely.
Mostly cloudy with a high near 82.
Chance of precipitation is 70%.
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Wednesday Night
Chance T-storms
Low: 65°
A 40% chance of showers and thunderstorms, mainly before 1am.
Mostly cloudy with a low around 65.
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Thursday
Slight Chance T-storms
High: 81°
A 20% chance of showers and thunderstorms before 1pm.
Partly sunny with a high near 81.
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Thursday Night
Partly Cloudy
Low: 64°
Partly cloudy with a low around 64.
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Friday
Chance T-storms
High: 86°
A 30% chance of showers and thunderstorms, mainly after 1pm.
Mostly sunny with a high near 86.
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Friday Night
Chance T-storms
Low: 71°
A 30% chance of showers and thunderstorms.
Mostly cloudy with a low around 71.
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Saturday
Chance T-storms
High: 90°
A 30% chance of showers and thunderstorms.
Partly sunny with a high near 90.
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Saturday Night
Chance T-storms
Low: 71°
A 40% chance of showers and thunderstorms.
Mostly cloudy with a low around 71.
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Sunday
Chance T-storms
High: 87°
A 50% chance of showers and thunderstorms.
Partly sunny with a high near 87.
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Source: National Weather Service
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