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

Hazardous Weather Conditions

Current conditions at

Tri-Township Airport (KSFY)

Lat: 42.05°NLon: 90.11°WElev: 614ft.

Light Snow

20°F

-7°C

Humidity 70%
Wind Speed S 7 mph
Barometer 30.15 in
Dewpoint 11°F (-12°C)
Visibility 7.00 mi
Wind Chill11°F (-12°C)
Last update 17 Mar 9:55 pm CDT
Extended Forecast for

6 Miles NNW Lanark IL

  • Tonight

    Tonight: Snow, mainly before 4am, then a chance of flurries with a slight chance of snow after 4am. Temperature rising to around 24 by 5am. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of around an inch possible.

    Low: 18 °F⇑

    Snow

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 40. South wind around 5 mph becoming west in the afternoon.

    High: 40 °F

    Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 31. South wind around 5 mph.

    Low: 31 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 48. South wind around 5 mph becoming north in the afternoon.

    High: 48 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow, mainly before 4am, then a chance of flurries with a slight chance of snow after 4am. Temperature rising to around 24 by 5am. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of around an inch possible.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 40. South wind around 5 mph becoming west in the afternoon.
Wednesday Night
A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 31. South wind around 5 mph.
Thursday
Mostly sunny, with a high near 48. South wind around 5 mph becoming north in the afternoon.
Thursday Night
Mostly cloudy, with a low around 33.
Friday
Partly sunny, with a high near 59.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Partly sunny, with a high near 61.
Sunday Night
Mostly clear, with a low around 26.
Monday
Partly sunny, with a high near 44.
Monday Night
Mostly cloudy, with a low around 27.
Tuesday
Partly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Lanark IL
 42.17°N 89.89°W (Elev. 830 ft)
Last Update:
9:57 pm CDT Mar 17, 2026
Forecast Valid:
10pm CDT Mar 17, 2026-6pm CDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation