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Hazardous Weather Conditions

Current conditions at

Tri-Township Airport (KSFY)

Lat: 42.05°NLon: 90.11°WElev: 614ft.

Heavy Drizzle

62°F

17°C

Humidity 100%
Wind Speed NW 7 mph
Barometer 29.82 in
Dewpoint 62°F (17°C)
Visibility 1.25 mi
Last update 15 Oct 5:35 pm CDT
Extended Forecast for

Savanna IL

Freeze Watch October 17, 01:00am until October 17, 09:00am
Click here for hazard details and duration
Freeze Watch

  • This Afternoon

    This Afternoon: Showers likely. Mostly cloudy, with a high near 58. Northwest wind around 5 mph. Chance of precipitation is 70%.

    High: 58 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers likely, mainly before 9pm. Mostly cloudy, with a low around 43. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    Low: 43 °F

    Showers
    Likely then
    Mostly Cloudy

  • Friday

    Friday: A chance of showers before 3pm, then a slight chance of showers after 5pm. Mostly cloudy, with a high near 54. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    High: 54 °F

    Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: Widespread frost, mainly after 5am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 30. North wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.

    Low: 30 °F

    Clear then
    Frost

  • Saturday

    Saturday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 56.

    High: 56 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 37.

    Low: 37 °F

    Clear

  • Sunday

    Sunday: Areas of frost before 7am. Otherwise, sunny, with a high near 64.

    High: 64 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers likely. Mostly cloudy, with a high near 58. Northwest wind around 5 mph. Chance of precipitation is 70%.
Tonight
Showers likely, mainly before 9pm. Mostly cloudy, with a low around 43. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Friday
A chance of showers before 3pm, then a slight chance of showers after 5pm. Mostly cloudy, with a high near 54. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Friday Night
Widespread frost, mainly after 5am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 30. North wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.
Saturday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 56.
Saturday Night
Clear, with a low around 37.
Sunday
Areas of frost before 7am. Otherwise, sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 40.
Monday
Mostly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Mostly sunny, with a high near 73.
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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:
2:01 pm CDT Oct 15, 2026
Forecast Valid:
5pm CDT Oct 15, 2026-6pm CDT Oct 22, 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