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.

Mostly Cloudy

47°F

8°C

Humidity 47%
Wind Speed NW 14 G 21 mph
Barometer 30.30 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 6 Apr 1:15 pm CDT
Extended Forecast for

Savanna IL

  • This Afternoon

    This Afternoon: 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: Mostly cloudy, with a low around 24. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 45. Northeast wind 5 to 10 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

This Afternoon
Partly sunny, with a high near 49. Northwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy, with a low around 24. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 45. Northeast wind 5 to 10 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:
12:02 pm CDT Apr 6, 2026
Forecast Valid:
1pm CDT Apr 6, 2026-6pm CDT Apr 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation