National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Tri-Township Airport (KSFY)

Lat: 42.05°NLon: 90.11°WElev: 614ft.

Fair

76°F

24°C

Humidity 71%
Wind Speed S 13 mph
Barometer 29.95 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 29 Aug 6:55 pm CDT
Extended Forecast for

5 Miles NNW Lanark IL

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 69. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Partly sunny, with a high near 85. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 85 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly between 2am and 3am. Mostly cloudy, with a low around 72. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 72 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 89. South wind around 10 mph.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 1am. Mostly clear, with a low around 69.

    Low: 69 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 69. South wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Partly sunny, with a high near 85. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly between 2am and 3am. Mostly cloudy, with a low around 72. South wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 89. South wind around 10 mph.
Monday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 73.
Wednesday
Mostly sunny, with a high near 92.
Wednesday Night
A 30 percent chance of showers after 1am. Mostly clear, with a low around 69.
Thursday
Mostly sunny, with a high near 87.
Thursday Night
Partly cloudy, with a low around 67.
Friday
Partly sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 67.
Saturday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Lanark IL
 42.17°N 89.86°W (Elev. 801 ft)
Last Update:
6:36 pm CDT Aug 29, 2026
Forecast Valid:
7pm CDT Aug 29, 2026-6pm CDT Sep 5, 2026
 
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Additional Resources

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Chance of Precipitation