Saint Johns, Illinois Weather
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Weather Forecast for Saint Johns, Illinois : Perry County
Issued: 4:15 pm CDT May 16, 2022 Latitude: 38.0308837 Longitude: -89.2409157 View on Google Maps

MouseOver for Detail Forecast
Tonight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Mostly Clear on Tonight Increasing Clouds on Tuesday 60% chance of thunderstorms on Wednesday 30% chance of thunderstorms on Thursday 20% chance of thunderstorms on Friday 20% chance of  on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday
Low: 55°F High: 82°F High: 86°F High: 86°F High: 85°F High: 75°F High: 70°F High: 74°F
Low: 63°F Low: 65°F Low: 72°F Low: 62°F Low: 49°F Low: 50°F  
Mostly Clear Increasing Clouds Thunderstorms Thunderstorms Thunderstorms Partly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
CARBONDALE - (KMDH)
81°
Clear
as of 4:52 PM CDST
Rel. Humidity: 32%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
7 MPH
320° Northwest
Cloud Level(s): Clear
Current Conditions at
MARION - (KMWA)
81°
Mostly Clear
as of 4:45 PM CDST
Rel. Humidity: 28%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
10 MPH
320° Northwest
Cloud Level(s): Few at 7000ft
Current Conditions at
SPARTA - (KSAR)
79°
Clear
as of 4:55 PM CDST
Rel. Humidity: 34%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
9 MPH
280° West
Cloud Level(s): Clear
Current Conditions at
CAIRO - (KCIR)
82°
Clear
as of 4:55 PM CDST
Rel. Humidity: 26%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
12 MPH
010° North
Cloud Level(s): Clear
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 55. Northwest wind 5 to 7 mph becoming calm in the evening.

Increasing Clouds on Tuesday Tuesday... Increasing clouds, with a high near 82. Calm wind becoming south southwest 5 to 8 mph in the morning.

60% chance of thunderstorms Tuesday Night Tuesday Night... A slight chance of showers and thunderstorms between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. South wind around 6 mph. Chance of precipitation is 60%.

60% chance of thunderstorms Wednesday Wednesday... Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. Southwest wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

50% chance of thunderstorms Wednesday Night Wednesday Night... A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. West southwest wind around 6 mph becoming calm in the evening.

30% chance of thunderstorms Thursday Thursday... A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 86. Light southwest wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 20 mph.

20% chance of rain Thursday Night Thursday Night... A 20 percent chance of showers. Mostly clear, with a low around 72. South wind 10 to 14 mph, with gusts as high as 24 mph.

20% chance of thunderstorms Friday Friday... A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. Breezy, with a south southwest wind 14 to 20 mph, with gusts as high as 30 mph.

20% chance of thunderstorms Friday Night Friday Night... Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62. Southwest wind 6 to 10 mph, with gusts as high as 23 mph.

20% chance of  Saturday Saturday... A chance of showers. Partly sunny, with a high near 75. West southwest wind 8 to 13 mph, with gusts as high as 24 mph.

20% chance of thunderstorms Saturday Night Saturday Night... A chance of showers and thunderstorms. Partly cloudy, with a low around 49. Northwest wind 6 to 9 mph, with gusts as high as 21 mph.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 70. North northwest wind 7 to 10 mph, with gusts as high as 18 mph.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 50. North wind around 6 mph becoming calm.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 74. Southeast wind 6 to 10 mph.

Sun Almanac for Saint Johns, Illinois
Sunrise: 05:45 AM
Sunset: 8:01 PM
Civil Sunrise:05:16 AM
Civil Sunset: 8:31 PM
Nautical Sunrise: 04:39 AM
Nautical Sunset: 9:07 PM
Astro Sunrise: 03:59 AM
Astro Sunset: 9:47 PM
Moon Almanac for Saint Johns, Illinois
Moon Phase: Full Moon
Moon Illumination: 99%
Moon Age: 15.6 Days
Moon is currently below the horizon
Distance from Moon to Earth: 227,086 miles
Upcoming Lunar Events for
Saint Johns:
Next EventEvent TimeIllum

Moonrise:09:05 pm Mon98.9%
High Moon:01:58 am Tue98.3%
Moonset:06:45 am Tue97.6%
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.