Hazardous Weather Conditions
Current conditions at
Tri-Township Airport (KSFY)
Lat: 42.05°NLon: 90.11°WElev: 614ft.
Overcast
48°F
9°C
| Humidity | 85% |
| Wind Speed | NW 20 G 25 mph |
| Barometer | 29.69 in |
| Dewpoint | 44°F (7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 41°F (5°C) |
| Last update | 18 Apr 12:35 am CDT |
Extended Forecast for
Savanna IL
Overnight

Low: 38 °F
Chance
ShowersSaturday

High: 50 °F
Sunny
Saturday Night

Low: 31 °F
Mostly Clear
then FrostSunday

High: 52 °F
Frost then
Mostly SunnySunday Night

Low: 28 °F
Mostly Clear
then FrostMonday

High: 58 °F
Frost then
SunnyMonday Night

Low: 46 °F
Partly Cloudy
Tuesday

High: 74 °F
Mostly Sunny
Tuesday Night

Low: 47 °F
Mostly Clear
Detailed Forecast
Overnight
A 40 percent chance of showers, mainly before 1am. Cloudy, with a low around 38. Northwest wind around 15 mph, with gusts as high as 25 mph.
Saturday
Mostly cloudy through mid morning, then becoming sunny, with a high near 50. West wind around 15 mph, with gusts as high as 25 mph.
Saturday Night
Widespread frost, mainly after 2am. Otherwise, mostly clear, with a low around 31. West wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.
Sunday
Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 52. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 28.
Monday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 72.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Savanna IL
42.09°N 90.13°W (Elev. 623 ft)
42.09°N 90.13°W (Elev. 623 ft)
11:47 pm CDT Apr 17, 2026
12am CDT Apr 18, 2026-6pm CDT Apr 24, 2026



