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Sept 30th - October 1st, 2026 Heavy Rain and Flooding Summary

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Tri-Township Airport (KSFY)

Lat: 42.05°NLon: 90.11°WElev: 614ft.

Fair

71°F

22°C

Humidity	40%
Wind Speed	N 8 mph
Barometer	30.07 in
Dewpoint	45°F (7°C)
Visibility	10.00 mi
Last update	8 Oct 5:15 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Savanna IL

Tonight
Low: 51 °F
Increasing
Clouds
Friday
High: 74 °F
Showers
Likely
Friday Night
Low: 60 °F
Mostly Clear
Saturday
High: 82 °F
Sunny
Saturday Night
Low: 57 °F
Partly Cloudy
Sunday
High: 77 °F
Sunny
Sunday Night
Low: 57 °F
Mostly Clear
Columbus Day
High: 81 °F
Mostly Sunny
Monday Night
Low: 57 °F
Mostly Clear

Detailed Forecast

Tonight

Increasing clouds, with a low around 51. Calm wind.

Friday

Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 2pm. Cloudy through mid morning, then gradual clearing, with a high near 74. Light east wind becoming southeast 5 to 10 mph in the morning. Chance of precipitation is 70%.

Friday Night

Mostly clear, with a low around 60. Southeast wind around 5 mph.

Saturday

Sunny, with a high near 82. South wind 5 to 10 mph.

Saturday Night

Partly cloudy, with a low around 57.

Sunday

Sunny, with a high near 77.

Sunday Night

Mostly clear, with a low around 57.

Columbus Day

Mostly sunny, with a high near 81.