Current conditions at
Tri-Township Airport (KSFY)
Lat: 42.05°NLon: 90.11°WElev: 614ft.
Partly Cloudy
83°F
28°C
| Humidity | 44% |
| Wind Speed | W 5 mph |
| Barometer | 30.13 in |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Heat Index | 83°F (28°C) |
| Last update | 28 Aug 2:15 pm CDT |
Extended Forecast for
Lanark IL
This Afternoon
High: 82 °F
Sunny
Tonight
Low: 61 °F
Mostly Clear
Saturday
High: 79 °F
Mostly Cloudy
Saturday Night
Low: 68 °F
Mostly Cloudy
then Chance
ShowersSunday
High: 87 °F
Mostly Sunny
Sunday Night
Low: 72 °F
Mostly Cloudy
Monday
High: 89 °F
Partly Sunny
Monday Night
Low: 73 °F
Partly Cloudy
Tuesday
High: 89 °F
Partly Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 82. Southwest wind around 5 mph.
Tonight
Mostly clear, with a low around 61. Calm wind becoming south around 5 mph after midnight.
Saturday
Mostly cloudy, with a high near 79. South wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
A chance of showers and thunderstorms before 2am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 68. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Mostly cloudy, with a low around 72.
Monday
Partly sunny, with a high near 89.
Monday Night
Partly cloudy, with a low around 73.
Tuesday
Partly sunny, with a high near 89.
Tuesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
Mostly sunny, with a high near 88.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Lanark IL
42.11°N 89.83°W (Elev. 883 ft)
42.11°N 89.83°W (Elev. 883 ft)
1:26 pm CDT Aug 28, 2026
2pm CDT Aug 28, 2026-6pm CDT Sep 3, 2026
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