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Alton, IL
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55°
Last Updated on Apr 22 2021, 1:47 pm CDT
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| Current Conditions | Fair | | Relative Humidity | 38% | | Wind | North at 5.8 MPH
(5 KT) | | Pressure | 30.21 mb | | Dewpoint | 30.2 F (-1.0 C) | | Wind Chill | 54 F (12 C) | | Visibility | 10.00 miles |
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7-Day Forecast
This Afternoon
Sunny
High: 58°
Sunny with a high near 58.
Northwest wind around 6 mph becoming
southwest.
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Tonight
Mostly Cloudy then Showers Likely
Low: 42°
Showers likely, mainly after 3am.
Increasing clouds with a low around 42.
Southeast wind 5 to 8 mph.
Chance of precipitation is 60%.
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Friday
Showers Likely
High: 58°
Showers likely with thunderstorms also possible after 1pm.
Cloudy with a high near 58.
Southeast wind 9 to 16 mph
with gusts as high as 25 mph.
Chance of precipitation is 60%.
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Friday Night
Showers
Low: 50°
Showers and possibly a thunderstorm.
Low around 50.
Southeast wind 7 to 13 mph.
Chance of precipitation is 90%.
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Saturday
Showers Likely
High: 62°
Showers likely, mainly before 1pm.
Mostly cloudy with a high near 62.
East wind 5 to 14 mph becoming
northwest in the afternoon.
Winds could gust as high as 22 mph.
Chance of precipitation is 70%.
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Saturday Night
Mostly Clear
Low: 43°
Mostly clear with a low around 43.
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Sunday
Sunny
High: 69°
Sunny with a high near 69.
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Sunday Night
Mostly Clear
Low: 51°
Mostly clear with a low around 51.
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Monday
Sunny then Sunny and Breezy
High: 81°
Sunny with a high near 81.
Breezy.
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Monday Night
Partly Cloudy
Low: 62°
Partly cloudy with a low around 62.
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Tuesday
Mostly Sunny then Slight Chance T-storms
High: 82°
A 20% chance of showers and thunderstorms.
Partly sunny with a high near 82.
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Tuesday Night
Showers Likely
Low: 64°
Showers likely and possibly a thunderstorm.
Mostly cloudy with a low around 64.
Chance of precipitation is 60%.
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Wednesday
Showers Likely
High: 75°
Showers likely and possibly a thunderstorm.
Mostly cloudy with a high near 75.
Chance of precipitation is 70%.
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Source: National Weather Service
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