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Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
64°F
18°C
| Humidity | 78% |
| Wind Speed | E 6 mph |
| Barometer | 30.04 in (1017.1 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 11 Oct 9:54 am CDT |
Extended Forecast for
Latham IL
Today
High: 84 °F
Sunny
Tonight
Low: 62 °F
Increasing
CloudsColumbus Day
High: 90 °F
Sunny
Monday Night
Low: 70 °F
Mostly Clear
Tuesday
High: 89 °F
Sunny
Tuesday Night
Low: 65 °F
Chance
T-storms then
Showers
LikelyWednesday
High: 79 °F
Showers
LikelyWednesday Night
Low: 58 °F
Showers
LikelyThursday
High: 75 °F
Showers
Likely
Detailed Forecast
Today
Sunny, with a high near 84. Light and variable wind.
Tonight
Increasing clouds, with a low around 62. South southeast wind 5 to 8 mph.
Columbus Day
Mostly cloudy through mid morning, then becoming sunny, with a high near 90. Southwest wind 8 to 16 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 70. Southwest wind 10 to 13 mph, with gusts as high as 18 mph.
Tuesday
Sunny, with a high near 89. West wind 11 to 14 mph, with gusts as high as 20 mph.
Tuesday Night
A chance of showers before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 65. West northwest wind around 6 mph becoming northeast after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 79. Northeast wind 7 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Thursday
Showers likely. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 52. Breezy.
Friday
Partly sunny, with a high near 66. Breezy.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 59.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Latham IL
39.96°N 89.16°W (Elev. 607 ft)
39.96°N 89.16°W (Elev. 607 ft)
9:37 am CDT Oct 11, 2026
10am CDT Oct 11, 2026-6pm CDT Oct 17, 2026
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