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

Weather Impacts for the Pacific Northwest This Week; Watching the Northeast U.S.

A series of Pacific fronts will bring periods of moderate rain, higher elevation snow, and gusty winds to the Pacific Northwest through this week. A more widespread precipitation event looks likely this weekend. In the Northeast U.S. a storm may bring gusty winds, low elevation rain, and high elevation snow Friday into this coming weekend. Read More >

Current conditions at

Tri-Township Airport (KSFY)

Lat: 42.05°NLon: 90.11°WElev: 614ft.

Fair

62°F

17°C

Humidity 50%
Wind Speed S 8 mph
Barometer 30.04 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 9 Nov 1:55 pm CST
Extended Forecast for

Lanark IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 61. Southwest wind around 10 mph.

    High: 61 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 39. Southwest wind around 5 mph becoming northwest after midnight.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 61. Northwest wind around 5 mph becoming calm.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 5am. Mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Veterans Day

    Veterans Day: A 50 percent chance of showers. Mostly cloudy, with a high near 54.

    High: 54 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 61. Southwest wind around 10 mph.
Tonight
Mostly clear, with a low around 39. Southwest wind around 5 mph becoming northwest after midnight.
Tuesday
Sunny, with a high near 61. Northwest wind around 5 mph becoming calm.
Tuesday Night
A 20 percent chance of showers after 5am. Mostly cloudy, with a low around 39. Calm wind.
Veterans Day
A 50 percent chance of showers. Mostly cloudy, with a high near 54.
Wednesday Night
Partly cloudy, with a low around 34.
Thursday
Partly sunny, with a high near 45.
Thursday Night
Partly cloudy, with a low around 26.
Friday
Sunny, with a high near 43.
Friday Night
Mostly clear, with a low around 24.
Saturday
Sunny, with a high near 47.
Saturday Night
Mostly clear, with a low around 28.
Sunday
Sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lanark IL
 42.11°N 89.83°W (Elev. 883 ft)
Last Update:
12:51 pm CST Nov 9, 2026
Forecast Valid:
2pm CST Nov 9, 2026-6pm CST Nov 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation