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.

Overcast

42°F

6°C

Humidity 64%
Wind Speed W 13 G 28 mph
Barometer 29.98 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 4 Apr 6:35 pm CDT
Extended Forecast for

Savanna IL

  • Tonight

    Tonight: A slight chance of showers before 7pm, then a chance of sprinkles between 7pm and 8pm. Mostly cloudy, with a low around 33. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Slight Chance
    Showers and
    Breezy then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 54. Northwest wind around 15 mph, with gusts as high as 20 mph.

    High: 54 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: A 20 percent chance of showers. Partly cloudy, with a low around 34. West wind 5 to 10 mph.

    Low: 34 °F

    Slight Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 48. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain and snow showers. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.

    Low: 34 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers before 7pm, then a chance of sprinkles between 7pm and 8pm. Mostly cloudy, with a low around 33. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 54. Northwest wind around 15 mph, with gusts as high as 20 mph.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 34. West wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 48. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 22.
Tuesday
Mostly sunny, with a high near 45.
Tuesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 67.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 48.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 62.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 41.
Friday
A 50 percent chance of showers. Partly sunny, with a high near 62.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 46.
Saturday
Showers likely. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Savanna IL
 42.09°N 90.13°W (Elev. 623 ft)
Last Update:
2:46 pm CDT Apr 4, 2026
Forecast Valid:
6pm CDT Apr 4, 2026-6pm CDT Apr 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation