Johannisburg, Illinois Weather
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Weather Forecast for Johannisburg, Illinois : Washington County
Issued: 3:22 am CDT Jun 4, 2025 Latitude: 38.3844936 Longitude: -89.6531498 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
60% chance of thunderstorms on Today 70% chance of thunderstorms on Tonight 50% chance of thunderstorms on Thursday 70% chance of thunderstorms on Friday 30% chance of thunderstorms on Saturday 30% chance of thunderstorms on Sunday 30% chance of rain on Monday Sunny on Tuesday
High: 82°F Low: 68°F High: 79°F High: 81°F High: 80°F High: 83°F High: 81°F High: 81°F
Low: 68°F Low: 65°F Low: 62°F Low: 64°F Low: 61°F  
Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Rain Sunny
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Current Conditions at
SCOTT AFB - (KBLV)
72°
Mostly Cloudy
as of 4:55 AM CDST
Rel. Humidity: 88%
Dew Point: 68°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
5 MPH
230° Southwest
Cloud Level(s): Broken at 4000ft
Current Conditions at
SPARTA - (KSAR)
75°
Cloudy
as of 4:55 AM CDST
Rel. Humidity: 78%
Dew Point: 68°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Scattered at 2900ft, Solid Overcast at 4300ft
Current Conditions at
EAST ST LOUIS - (KCPS)
68°
Cloudy
as of 4:53 AM CDST
Rel. Humidity: 93%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
3 MPH
140° Southeast
Cloud Level(s): Solid Overcast at 4500ft
Current Conditions at
CENTRALIA MUNICIPAL ARPT - (KENL)
73°
Clear
as of 4:55 AM CDST
Rel. Humidity: 69%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
10 MPH
180° South
Cloud Level(s): Clear
60% chance of thunderstorms Today Today... A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Cloudy, with a high near 82. South wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
70% chance of thunderstorms Tonight Tonight... Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm after 10pm. Cloudy, with a low around 68. Southwest wind 5 to 7 mph becoming light and variable. Chance of precipitation is 70%.
50% chance of thunderstorms Thursday Thursday... A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 79. North wind 3 to 6 mph.
40% chance of thunderstorms Thursday Night Thursday Night... A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. Light and variable wind.
70% chance of thunderstorms Friday Friday... Showers likely and possibly a thunderstorm before 7am, then showers likely between 7am and 10am, then showers likely and possibly a thunderstorm after 10am. Mostly cloudy, with a high near 81. Calm wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 70%.
30% chance of thunderstorms Friday Night Friday Night... A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
30% chance of thunderstorms Saturday Saturday... A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 62.
30% chance of thunderstorms Sunday Sunday... A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83.
20% chance of thunderstorms Sunday Night Sunday Night... A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 64.
30% chance of rain Monday Monday... A 30 percent chance of showers. Sunny, with a high near 81.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 61.
Sunny on Tuesday Tuesday... Sunny, with a high near 81.
Current Radar Image


Sun Almanac for Johannisburg, Illinois
Sunrise: 05:35 AM
Sunset: 8:19 PM
Civil Sunrise:05:04 AM
Civil Sunset: 8:50 PM
Nautical Sunrise: 04:25 AM
Nautical Sunset: 9:29 PM
Astro Sunrise: 03:41 AM
Astro Sunset: 10:13 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.