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.

Partly Cloudy

46°F

8°C

Humidity 55%
Wind Speed NW 13 G 18 mph
Barometer 30.31 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 6 Apr 10:35 am CDT
Extended Forecast for

Savanna IL

  • Today

    Today: Partly sunny, with a high near 49. Northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 49 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 24. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 45. Northeast wind around 5 mph becoming southeast in the afternoon.

    High: 45 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain showers before 10pm, then a chance of snow showers between 10pm and 1am, then a slight chance of rain showers after 1am. Mostly cloudy, with a low around 35. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 35 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Showers likely. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.

    Low: 50 °F

    Showers
    Likely

  • Thursday

    Thursday: A 50 percent chance of showers. Mostly cloudy, with a high near 64.

    High: 64 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 49. Northwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 24. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 45. Northeast wind around 5 mph becoming southeast in the afternoon.
Tuesday Night
A chance of rain showers before 10pm, then a chance of snow showers between 10pm and 1am, then a slight chance of rain showers after 1am. Mostly cloudy, with a low around 35. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 66.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 64.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 62.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 42.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 63.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 53.
Sunday
Showers likely. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.
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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:
9:52 am CDT Apr 6, 2026
Forecast Valid:
10am CDT Apr 6, 2026-6pm CDT Apr 12, 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