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 48%
Wind Speed SE 12 mph
Barometer 30.32 in
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 7 Apr 10:15 pm CDT
Extended Forecast for

Savanna IL

  • Tonight

    Tonight: A chance of rain and snow showers before 3am, then a chance of snow showers. Mostly cloudy, with a low around 37. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 37 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow showers before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 69. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 69 °F

    Chance Snow
    Showers then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 7pm, then showers and possibly a thunderstorm between 7pm and 1am, then a chance of showers after 1am. Low around 44. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    Low: 44 °F

    Showers

  • Thursday

    Thursday: A 20 percent chance of showers after 1pm. Increasing clouds, with a high near 62. West wind around 5 mph.

    High: 62 °F

    Sunny then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Showers. Low around 43. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 43 °F

    Showers

  • Friday

    Friday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers

Detailed Forecast

Tonight
A chance of rain and snow showers before 3am, then a chance of snow showers. Mostly cloudy, with a low around 37. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of snow showers before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 69. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
A slight chance of showers and thunderstorms before 7pm, then showers and possibly a thunderstorm between 7pm and 1am, then a chance of showers after 1am. Low around 44. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Thursday
A 20 percent chance of showers after 1pm. Increasing clouds, with a high near 62. West wind around 5 mph.
Thursday Night
Showers. Low around 43. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
Partly sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 37.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 52.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 75.
Sunday Night
Showers likely. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Monday
Showers likely. Partly sunny, with a high near 78. Chance of precipitation is 60%.
Monday Night
Showers likely. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.
Tuesday
Showers likely. Mostly cloudy, with a high near 65. 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:
8:56 pm CDT Apr 7, 2026
Forecast Valid:
10pm CDT Apr 7, 2026-6pm CDT Apr 14, 2026
 
Forecast Discussion
 
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Additional Resources

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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