Current conditions at

Tri-Township Airport (KSFY)

Lat: 42.05°NLon: 90.11°WElev: 614ft.

Overcast

17°F

-8°C

Humidity 60%
Wind Speed NW 13 G 18 mph
Barometer 30.03 in
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill3°F (-16°C)
Last update 16 Mar 11:15 pm CDT
Extended Forecast for

Savanna IL

Winter Weather Advisory March 16, 11:35pm until March 17, 12:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory March 16, 11:35pm until March 17, 12:00am

    NOW until 12:00am Tue

    Winter Weather Advisory

  • Tonight

    Low: 4 °F

    Slight Chance
    Snow Showers
    and Patchy
    Blowing Snow

  • Tuesday

    Tuesday: Increasing clouds, with a high near 24. Wind chill values as low as -10. West wind 5 to 10 mph becoming south in the afternoon.

    High: 24 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Snow, mainly before 1am.  Low around 18. South wind 5 to 10 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 18 °F

    Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 41. South wind around 5 mph becoming west in the afternoon.

    High: 41 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 49.

    High: 49 °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 60.

    High: 60 °F

    Partly Sunny

Detailed Forecast

Tonight
A 20 percent chance of snow showers before 1am. Patchy blowing snow before midnight. Mostly cloudy early, then clearing, with a low around 4. Wind chill values as low as -10. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Increasing clouds, with a high near 24. Wind chill values as low as -10. West wind 5 to 10 mph becoming south in the afternoon.
Tuesday Night
Snow, mainly before 1am. Low around 18. South wind 5 to 10 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday
Mostly sunny, with a high near 41. South wind around 5 mph becoming west in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 49.
Thursday Night
Mostly cloudy, with a low around 33.
Friday
Partly sunny, with a high near 60.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
Partly sunny, with a high near 45.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Savanna IL
 42.09°N 90.13°W (Elev. 623 ft)
9:47 pm CDT Mar 16, 2026
11pm CDT Mar 16, 2026-6pm CDT Mar 23, 2026
 
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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