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.

Fair

35°F

2°C

Humidity 67%
Wind Speed NW 9 mph
Barometer 30.22 in
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 12 Mar 12:15 am CDT
Extended Forecast for

Savanna IL

  • Overnight

    Overnight: Mostly clear, with a low around 26. West wind around 5 mph.

    Low: 26 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 48. West wind 5 to 15 mph becoming south in the afternoon. Winds could gust as high as 25 mph.

    High: 48 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Rain likely before 4am, then a chance of rain and snow. Mostly cloudy, with a low around 35. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 35 °F

    Breezy. Rain
    Likely then
    Rain/Snow
    Likely

  • Friday

    Friday: A chance of rain and snow before 7am. Partly sunny, with a high near 46. Breezy, with a west wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 30%.

    High: 46 °F

    Breezy.
    Chance
    Rain/Snow
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Saturday

    Saturday: Cloudy, with a high near 41.

    High: 41 °F

    Cloudy

  • Saturday Night

    Saturday Night: Rain and snow likely, mainly after 1am. Cloudy, with a low around 32. Chance of precipitation is 70%.

    Low: 32 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Sunday

    Sunday: Rain and snow. High near 43. Chance of precipitation is 90%.

    High: 43 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 14. Blustery. Chance of precipitation is 50%.

    Low: 14 °F

    Chance
    Rain/Snow and
    Blustery

Detailed Forecast

Overnight
Mostly clear, with a low around 26. West wind around 5 mph.
Thursday
Increasing clouds, with a high near 48. West wind 5 to 15 mph becoming south in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Rain likely before 4am, then a chance of rain and snow. Mostly cloudy, with a low around 35. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday
A chance of rain and snow before 7am. Partly sunny, with a high near 46. Breezy, with a west wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 27.
Saturday
Cloudy, with a high near 41.
Saturday Night
Rain and snow likely, mainly after 1am. Cloudy, with a low around 32. Chance of precipitation is 70%.
Sunday
Rain and snow. High near 43. Chance of precipitation is 90%.
Sunday Night
A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 14. Blustery. Chance of precipitation is 50%.
Monday
Partly sunny, with a high near 25.
Monday Night
Partly cloudy, with a low around 3.
Tuesday
Mostly sunny, with a high near 30.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 19.
Wednesday
Mostly cloudy, with a high near 41.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Savanna IL
 42.07°N 90.13°W (Elev. 591 ft)
Last Update:
9:32 pm CDT Mar 11, 2026
Forecast Valid:
12am CDT Mar 12, 2026-6pm CDT Mar 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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