Johnstown, Illinois Weather
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Weather Forecast for Johnstown, Illinois : Cumberland County
Issued: 5:27 am CDT Apr 24, 2024 Latitude: 39.3633698 Longitude: -88.2869878 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
Mostly Sunny on Today Mostly Clear on Tonight Mostly Sunny on Thursday 80% chance of thunderstorms on Friday 40% chance of thunderstorms on Saturday 30% chance of thunderstorms on Sunday Thunderstorms on Monday Sunny on Tuesday
High: 60°F Low: 37°F High: 63°F High: 70°F High: 76°F High: 79°F High: 73°F High: 74°F
Low: 48°F Low: 63°F Low: 65°F Low: 63°F Low: 53°F  
Mostly Sunny Mostly Clear Mostly Sunny Thunderstorms Thunderstorms Thunderstorms Thunderstorms Sunny
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Current Conditions at
MATTOON - (KMTO)
43°
Clear
as of 4:53 AM CDST
Rel. Humidity: 86%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
EFFINGHAM COUNTY MEMORIAL - (K1H2)
43°
Clear
Mist
as of 5:15 AM CDST
Rel. Humidity: 100%
Dew Point: 43°F
Visibility: 4 Miles
Pressure: 30.08 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
43°
Clear
as of 5:15 AM CDST
Rel. Humidity: 93%
Dew Point: 41°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
8 MPH
0° North
Cloud Level(s): Clear
Current Conditions at
DECATUR - (KDEC)
48°
Feels like 42°F
Clear
as of 4:54 AM CDST
Rel. Humidity: 76%
Dew Point: 41°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
13 MPH
350° North
Cloud Level(s): Clear
Mostly Sunny on Today Today... Mostly sunny, with a high near 60. North wind around 11 mph, with gusts as high as 17 mph.
Mostly Clear on Tonight Tonight... Areas of frost after 5am. Otherwise, mostly clear, with a low around 37. Northeast wind around 8 mph.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 63. East southeast wind 7 to 9 mph.
30% chance of rain Thursday Night Thursday Night... A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 48. East southeast wind 8 to 15 mph, with gusts as high as 22 mph.
80% chance of thunderstorms Friday Friday... Showers, with thunderstorms also possible after 1pm. High near 70. Breezy, with an east southeast wind 16 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
70% chance of thunderstorms Friday Night Friday Night... Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Breezy, with a south wind 21 to 25 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
40% chance of thunderstorms Saturday Saturday... A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 76. Breezy, with a south wind 22 to 25 mph, with gusts as high as 39 mph.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 65. Breezy.
30% chance of thunderstorms Sunday Sunday... A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. Breezy.
70% chance of thunderstorms Sunday Night Sunday Night... Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Breezy. Chance of precipitation is 70%.
Thunderstorms on Monday Monday... Showers and thunderstorms likely. Mostly cloudy, with a high near 73.
20% chance of thunderstorms Monday Night Monday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
Sunny on Tuesday Tuesday... Sunny, with a high near 74.
Current Radar Image


Sun Almanac for Johnstown, Illinois
Sunrise: 06:02 AM
Sunset: 7:40 PM
Civil Sunrise:05:34 AM
Civil Sunset: 8:09 PM
Nautical Sunrise: 04:59 AM
Nautical Sunset: 8:43 PM
Astro Sunrise: 04:23 AM
Astro Sunset: 9:19 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.