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Alton, IL
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59°
Last Updated on Mar 28 2024, 1:50 pm CDT
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Current Conditions | Fair | Relative Humidity | 34% | Wind | West at 9.2 MPH (8 KT) | Pressure | 30.16 mb | Dewpoint | 30.2 F (-1.0 C) | Wind Chill | 57 F (14 C) | Visibility | 10.00 miles |
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7-Day Forecast
Tonight
Mostly Clear
Low: 43°
Mostly clear with a low around 43. Southwest wind 6 to 10 mph.
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Friday
Mostly Sunny
High: 74°
Mostly sunny with a high near 74. Light south wind increasing to 13 to 18 mph in the morning. Winds could gust as high as 26 mph.
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Friday Night
Chance Showers
Low: 58°
A 30% chance of showers. Mostly cloudy with a low around 58. South wind 15 to 18 mph with gusts as high as 26 mph.
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Saturday
Partly Sunny
High: 75°
Partly sunny with a high near 75. West wind 10 to 15 mph with gusts as high as 23 mph.
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Saturday Night
Chance Rain
Low: 54°
A chance of rain with thunderstorms also possible after 1am. Mostly cloudy with a low around 54. Northwest wind around 7 mph becoming east after midnight. Chance of precipitation is 40%.
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Sunday
Chance Rain then Chance T-storms
High: 79°
A 50% chance of rain and thunderstorms. Partly sunny with a high near 79.
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Sunday Night
Chance T-storms
Low: 60°
A 40% chance of rain and thunderstorms. Mostly cloudy with a low around 60.
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Monday
Chance T-storms then Rain Likely
High: 76°
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 1pm. Partly sunny with a high near 76. Chance of precipitation is 70%.
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Monday Night
T-storms Likely and Breezy
Low: 50°
Rain and thunderstorms likely, mainly before 1am. Mostly cloudy with a low around 50. Breezy. Chance of precipitation is 70%.
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Tuesday
Slight Chance T-storms
High: 61°
A 20% chance of rain and thunderstorms before 1pm. Partly sunny with a high near 61.
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Tuesday Night
Partly Cloudy
Low: 39°
Partly cloudy with a low around 39.
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Wednesday
Sunny
High: 58°
Sunny with a high near 58.
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Wednesday Night
Mostly Clear
Low: 38°
Mostly clear with a low around 38.
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Thursday
Sunny
High: 67°
Sunny with a high near 67.
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Source: National Weather Service
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