Altamont, Illinois Weather
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Weather Forecast for Altamont, Illinois : Madison County
Issued: 1:37 am CST Feb 5, 2025 Latitude: 38.9231036 Longitude: -90.2098327 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
Cloudy on Overnight 80% chance of freezing rain on Wednesday Partly Sunny on Thursday Mostly Sunny on Friday 70% chance of rain on Saturday Mostly Sunny on Sunday Partly Sunny on Monday 30% chance of snow on Tuesday
Low: 32°F High: 38°F High: 49°F High: 41°F High: 54°F High: 37°F High: 39°F High: 35°F
Low: 46 °F Low: 29°F Low: 35°F Low: 25°F Low: 23°F Low: 25°F  
Cloudy Freezing Rain Partly Sunny Mostly Sunny Rain Mostly Sunny Partly Sunny Snow
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Current Conditions at
ALTON - (KALN)
32°
Cloudy
as of 1:15 AM CST
Rel. Humidity: 80%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.30 in.
Flight Rule: VFR
Wind Data
8 MPH
050° Northeast
Cloud Level(s): Solid Overcast at 3400ft
Current Conditions at
ST CHARLES - (KSET)
34°
Feels like 26°F
Cloudy
as of 12:54 AM CST
Rel. Humidity: 69%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.30 in.
Flight Rule: VFR
Wind Data
9 MPH
050° Northeast
Cloud Level(s): Solid Overcast at 3300ft
Current Conditions at
ST LOUIS - (KSTL)
36°
Cloudy
as of 12:51 AM CST
Rel. Humidity: 64%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.30 in.
Flight Rule: VFR
Wind Data
8 MPH
060° Northeast
Cloud Level(s): Solid Overcast at 3200ft
Current Conditions at
EAST ST LOUIS - (KCPS)
36°
Feels like 28°F
Cloudy
as of 12:53 AM CST
Rel. Humidity: 69%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.29 in.
Flight Rule: VFR
Wind Data
9 MPH
040° Northeast
Cloud Level(s): Solid Overcast at 3400ft
Cloudy on Overnight Overnight... Cloudy, with a low around 32. Northeast wind around 8 mph.
80% chance of freezing rain Wednesday Wednesday... A slight chance of drizzle or freezing rain before 8am, then rain. Patchy fog after 4pm. High near 38. East wind 8 to 10 mph. Chance of precipitation is 80%. Little or no ice accumulation expected.
90% chance of thunderstorms Wednesday Night Wednesday Night... Rain and possibly a thunderstorm before midnight, then a slight chance of drizzle between midnight and 2am. Patchy fog before 3am. Temperature rising to around 46 by 2am. Southeast wind 6 to 10 mph becoming west after midnight. Chance of precipitation is 90%.
Partly Sunny on Thursday Thursday... Partly sunny, with a high near 49. Northwest wind 6 to 11 mph.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 29. Northwest wind around 7 mph.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 41.
80% chance of rain Friday Night Friday Night... Rain, mainly after midnight. Low around 35. Chance of precipitation is 80%.
70% chance of rain Saturday Saturday... Rain likely, mainly before noon. Mostly cloudy, with a high near 54. Chance of precipitation is 70%.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 25.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 37.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 23.
Partly Sunny on Monday Monday... Partly sunny, with a high near 39.
30% chance of snow Monday Night Monday Night... A 30 percent chance of snow. Mostly cloudy, with a low around 25.
30% chance of snow Tuesday Tuesday... A 30 percent chance of snow. Mostly cloudy, with a high near 35.
Current Radar Image


Sun Almanac for Altamont, Illinois
Sunrise: 07:03 AM
Sunset: 5:27 PM
Civil Sunrise:06:35 AM
Civil Sunset: 5:55 PM
Nautical Sunrise: 06:03 AM
Nautical Sunset: 6:27 PM
Astro Sunrise: 05:32 AM
Astro Sunset: 6:58 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.