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.

Overcast

39°F

4°C

Humidity 90%
Wind Speed W 14 G 24 mph
Barometer 29.79 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 7 Mar 9:35 am CST
Extended Forecast for

Savanna IL

  • Today

    Today: Mostly cloudy, with a steady temperature around 46. West wind around 15 mph, with gusts as high as 25 mph.

    High: 46 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly clear, with a low around 31. Southwest wind 5 to 10 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 61. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 44. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

  • Tuesday

    Tuesday: Rain likely after noon. Partly sunny, with a high near 64. Chance of precipitation is 70%.

    High: 64 °F

    Sunny then
    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before midnight. Cloudy, with a low around 35. Chance of precipitation is 70%.

    Low: 35 °F

    Rain Likely

  • Wednesday

    Wednesday: A chance of rain and snow before noon. Cloudy, with a high near 45. Chance of precipitation is 40%.

    High: 45 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

Detailed Forecast

Today
Mostly cloudy, with a steady temperature around 46. West wind around 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 31. Southwest wind 5 to 10 mph.
Sunday
Sunny, with a high near 61. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 44. Southwest wind around 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 68.
Monday Night
Clear, with a low around 41.
Tuesday
Rain likely after noon. Partly sunny, with a high near 64. Chance of precipitation is 70%.
Tuesday Night
Rain likely, mainly before midnight. Cloudy, with a low around 35. Chance of precipitation is 70%.
Wednesday
A chance of rain and snow before noon. Cloudy, with a high near 45. Chance of precipitation is 40%.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Partly sunny, with a high near 48.
Thursday Night
A chance of rain and snow. Cloudy, with a low around 35. Chance of precipitation is 30%.
Friday
Mostly cloudy, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Savanna IL
 42.09°N 90.13°W (Elev. 623 ft)
Last Update:
6:26 am CST Mar 7, 2026
Forecast Valid:
9am CST Mar 7, 2026-6pm CDT Mar 13, 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