Lat: 38.90N, Lon: 90.15W  ICAO: KALN
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Alton Hourly Weather

36 Hour Weather Scroll   °F Click to change Alton hourly weather to Imperial units.Click to change Alton hourly weather to Metric units. °C
Currently, Clear, temperature is 64°F18°C, dew point 59°F15°C, humidity 83%. Wind direction is N at 5 mph8 km/h with visibility of 10.00 mi16 km. Barometric pressure is 29 in982 mb.

Sep 28
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Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Mostly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Mostly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
67°F19°C 70°F21°C 74°F23°C 77°F25°C 80°F27°C 83°F28°C 84°F29°C 85°F29°C 86°F30°C 83°F28°C 81°F27°C 78°F26°C 75°F24°C 72°F22°C 69°F21°C 68°F20°C 66°F19°C 65°F18°C 64°F18°C 64°F18°C 63°F17°C 62°F17°C 62°F17°C 61°F16°C 66°F19°C 70°F21°C 75°F24°C 78°F26°C 80°F27°C 83°F28°C 84°F29°C 84°F29°C 85°F29°C 83°F28°C 80°F27°C 78°F26°C
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58°F14°C 59°F15°C 59°F15°C 58°F14°C 56°F13°C 55°F13°C 54°F12°C 53°F12°C 52°F11°C 54°F12°C 55°F13°C 57°F14°C 58°F14°C 59°F15°C 60°F16°C 60°F16°C 61°F16°C 61°F16°C 61°F16°C 60°F16°C 60°F16°C 60°F16°C 60°F16°C 60°F16°C 62°F17°C 63°F17°C 65°F18°C 64°F18°C 64°F18°C 63°F17°C 62°F17°C 61°F16°C 60°F16°C 61°F16°C 61°F16°C 62°F17°C
73% 68% 60% 52% 44% 38% 36% 33% 31% 37% 41% 49% 56% 64% 73% 76% 84% 87% 90% 87% 90% 93% 93% 97% 87% 79% 71% 62% 58% 51% 48% 46% 43% 48% 52% 58%
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Hour (CDT)
Weather
Clouds
Temperature
Precip. Type
POP
Dewpoint
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POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

24 Hour Forecast

Today - Sunny. High near 90. West wind around 10 mph in the morning becoming light in the afternoon.
Tonight - Clear. Low in the lower to mid 60s. Light wind.

48 Hour Forecast API Feed


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68%60%53%48%44%41%38%36%35%37%47%53%56%58%60%63%66%66%68%71%74%76%80%83%82%74%67%60%54%50%45%41%41%46%54%57%60%61%57%60%71%80%87%95%99%98%98%98%
WSWWWSWWWWSWWSWSWSWSSEEEEESEESESESSESSESSESSESSESSEESESESESESESESESESESEESEESEESEEEEESESESESSESSESSEESEESEESEESE
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Day/Time
Weather
Condition
Temperature
Dew Point
Pressure
Humidity
Wind Direction
Wind Speed
Prob Precip %
Visibility
Prob Precip % = Probability of Precipitation.