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Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Overcast
71°F
22°C
| Humidity | 90% |
| Wind Speed | E 10 mph |
| Barometer | 29.98 in (1014.9 mb) |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Last update | 26 Jun 2:54 pm CDT |
Extended Forecast for
Mount Zion IL
This Afternoon

High: 75 °F
Showers
Tonight

Low: 63 °F
Showers
Likely and
Patchy FogSaturday
High: 79 °F
Patchy Fog
then Slight
Chance
T-stormsSaturday Night
Low: 67 °F
Partly Cloudy
then Chance
T-stormsSunday

High: 88 °F
Decreasing
CloudsSunday Night

Low: 73 °F
Mostly Clear
Monday

High: 91 °F
Sunny
Monday Night

Low: 74 °F
Mostly Clear
Tuesday

High: 92 °F
Sunny
Detailed Forecast
This Afternoon
Showers and possibly a thunderstorm. High near 75. East wind around 9 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 4am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 63. East wind 5 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A slight chance of showers and thunderstorms between 1pm and 4pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 79. Northeast wind around 6 mph becoming southeast in the afternoon. Chance of precipitation is 20%.
Saturday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. Northeast wind 5 to 7 mph becoming southeast after midnight.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 88. Southeast wind 8 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 73. South wind 8 to 11 mph, with gusts as high as 17 mph.
Monday
Sunny, with a high near 91. South wind 8 to 13 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Clear, with a low around 73.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Clear, with a low around 74.
Thursday
Sunny, with a high near 93.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Mount Zion IL
39.77°N 88.89°W (Elev. 650 ft)
39.77°N 88.89°W (Elev. 650 ft)
3:36 pm CDT Jun 26, 2026
3pm CDT Jun 26, 2026-6pm CDT Jul 2, 2026



