Saint Thomas, Illinois Weather
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Weather Forecast for Saint Thomas, Illinois : Madison County
Issued: 7:41 pm CDT May 17, 2022 Latitude: 38.7619935 Longitude: -90.1170517 View on Google Maps

MouseOver for Detail Forecast
Tonight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
40% chance of thunderstorms on Tonight 90% chance of thunderstorms on Wednesday Mostly Sunny on Thursday 30% chance of thunderstorms on Friday 60% chance of thunderstorms on Saturday Mostly Sunny on Sunday Partly Sunny on Monday 30% chance of thunderstorms on Tuesday
Low: 64°F High: 83°F High: 88°F High: 90°F High: 74°F High: 70°F High: 73°F High: 77°F
Low: 64°F Low: 72°F Low: 63°F Low: 51°F Low: 51°F Low: 57°F  
Thunderstorms Thunderstorms Mostly Sunny Thunderstorms Thunderstorms Mostly Sunny Partly Sunny Thunderstorms
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Current Conditions at
ALTON - (KALN)
77°
Partly Cloudy
as of 6:50 PM CDST
Rel. Humidity: 44%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.92 in.
Flight Rule: VFR
Wind Data
9 MPH
150° Southeast
Cloud Level(s): Scattered at 12000ft
Current Conditions at
EAST ST LOUIS - (KCPS)
81°
Clear
as of 6:53 PM CDST
Rel. Humidity: 39%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
ST LOUIS - (KSTL)
82°
Mostly Cloudy
as of 6:51 PM CDST
Rel. Humidity: 34%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.92 in.
Flight Rule: VFR
Wind Data
8 MPH
180° South
Cloud Level(s): Scattered at 13000ft, Broken at 25000ft
Current Conditions at
ST CHARLES - (KSET)
81°
Mostly Cloudy
as of 6:54 PM CDST
Rel. Humidity: 36%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.90 in.
Flight Rule: VFR
Wind Data
9 MPH
180° South
Cloud Level(s): Broken at 12000ft
40% chance of thunderstorms Tonight Tonight... Scattered showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 64. South wind around 7 mph. Chance of precipitation is 40%.

90% chance of thunderstorms Wednesday Wednesday... Showers and thunderstorms, mainly before noon. Some of the storms could produce heavy rainfall. High near 83. Southwest wind 9 to 11 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%.

20% chance of thunderstorms Wednesday Night Wednesday Night... Isolated showers and thunderstorms before 1am. Partly cloudy, with a low around 64. Northwest wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 20%.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 88. Light southeast wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 72. South wind around 11 mph.

30% chance of thunderstorms Friday Friday... A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90.

60% chance of thunderstorms Friday Night Friday Night... Showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

60% chance of thunderstorms Saturday Saturday... Showers and thunderstorms likely. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.

40% chance of thunderstorms Saturday Night Saturday Night... A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 51.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 70.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 51.

Partly Sunny on Monday Monday... Partly sunny, with a high near 73.

30% chance of thunderstorms Monday Night Monday Night... A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.

30% chance of thunderstorms Tuesday Tuesday... A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 77.

Sun Almanac for Saint Thomas, Illinois
Sunrise: 05:46 AM
Sunset: 8:07 PM
Civil Sunrise:05:16 AM
Civil Sunset: 8:38 PM
Nautical Sunrise: 04:39 AM
Nautical Sunset: 9:15 PM
Astro Sunrise: 03:58 AM
Astro Sunset: 9:56 PM
Moon Almanac for Saint Thomas, Illinois
Moon Phase: Waning Gibbous
Moon Illumination: 95%
Moon Age: 16.9 Days
Moon is currently below the horizon
Distance from Moon to Earth: 225,980 miles
Upcoming Lunar Events for
Saint Thomas:
Next EventEvent TimeIllum

Moonrise:10:27 pm Tue94.6%
High Moon:03:06 am Wed93.5%
Moonset:07:41 am Wed92.3%
New Moon: Sat Apr 30
First Quarter: Sun May 8
Full Moon: Mon May 16
Last Quarter: Sun May 22
New Moon: Mon May 30
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.