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Poag, Illinois Weather Forecast
Poag, Illinois Weather
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Weather Forecast for Poag, Illinois : Madison County
Issued: 2:31 pm CST Dec 17, 2025 Latitude: 38.7969925 Longitude: -90.0389936 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Thursday Friday Saturday Sunday Monday Tuesday
Sunny on This Afternoon 20% chance of rain on Tonight 80% chance of rain on Thursday Sunny on Friday Mostly Sunny on Saturday Mostly Sunny on Sunday Partly Sunny on Monday 20% chance of rain on Tuesday
High: 56°F Low: 52 °F High: 54 °F High: 39°F High: 56°F High: 43°F High: 47°F High: 58°F
Low: 24°F Low: 32°F Low: 26°F Low: 29°F Low: 40°F  
Sunny Rain Rain Sunny Mostly Sunny Mostly Sunny Partly Sunny Rain
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Current Conditions at
ALTON - (KALN)
54°
Clear
as of 1:50 PM CST
Rel. Humidity: 50%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
5 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
EAST ST LOUIS - (KCPS)
55°
Clear
as of 1:53 PM CST
Rel. Humidity: 47%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
3 MPH
260° West
Cloud Level(s): Clear
Current Conditions at
ST LOUIS - (KSTL)
55°
Mostly Cloudy
as of 1:51 PM CST
Rel. Humidity: 50%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
3 MPH
150° Southeast
Cloud Level(s): Few at 20000ft, Broken at 25000ft
Current Conditions at
SCOTT AFB - (KBLV)
52°
Mostly Cloudy
as of 1:55 PM CST
Rel. Humidity: 50%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
2 MPH
220° Southwest
Cloud Level(s): Scattered at 4000ft, Broken at 12000ft
Sunny on This Afternoon This Afternoon... Sunny, with a high near 56. Calm wind becoming southeast 5 to 7 mph.

20% chance of rain Tonight Tonight... Isolated showers after 5am. Increasing clouds, with a temperature rising to around 52 by 4am. South wind 8 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

80% chance of rain Thursday Thursday... Showers, mainly before 2pm. Temperature rising to near 54 by 8am, then falling to around 45 during the remainder of the day. Breezy, with a south wind 14 to 20 mph becoming west in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 80%.

Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 24. Blustery, with a west wind 13 to 21 mph, with gusts as high as 33 mph.

Sunny on Friday Friday... Sunny, with a high near 39. West wind 7 to 11 mph becoming south in the afternoon.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 32.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 56.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 26.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 43.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 29.

Partly Sunny on Monday Monday... Partly sunny, with a high near 47.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 40.

20% chance of rain Tuesday Tuesday... A 20 percent chance of rain. Partly sunny, with a high near 58.

Current Radar Image


Sun Almanac for Poag, Illinois
Sunrise: 07:13 AM
Sunset: 4:40 PM
Civil Sunrise:06:43 AM
Civil Sunset: 5:10 PM
Nautical Sunrise: 06:10 AM
Nautical Sunset: 5:43 PM
Astro Sunrise: 05:37 AM
Astro Sunset: 6:16 PM
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