Hazardous Weather Conditions
Current conditions at
Illinois Valley Regional Airport (KVYS)
Lat: 41.35°NLon: 89.15°WElev: 650ft.
Overcast
46°F
8°C
| Humidity | 66% |
| Wind Speed | E 5 mph |
| Barometer | 30.07 in |
| Dewpoint | 36°F (2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 44°F (7°C) |
| Last update | 1 May 9:19 pm CDT |
Extended Forecast for
Illinois Valley Rgnl-Walter A Duncan Field Airport IL
Frost Advisory May 2, 01:00am until May 2, 08:00am
Tonight

Low: 36 °F
Mostly Cloudy
then Patchy
FrostSaturday

High: 57 °F
Areas Frost
then Mostly
SunnySaturday Night

Low: 41 °F
Partly Cloudy
Sunday
High: 69 °F
Breezy.
Mostly Cloudy
then Slight
Chance
ShowersSunday Night

Low: 47 °F
Slight Chance
ShowersMonday
High: 76 °F
Mostly Sunny
then Chance
ShowersMonday Night

Low: 49 °F
Chance
T-stormsTuesday

High: 61 °F
Chance
ShowersTuesday Night

Low: 42 °F
Chance
Showers
Detailed Forecast
Tonight
Patchy frost after 4am. Otherwise, partly cloudy, with a low around 36. East northeast wind around 5 mph becoming calm after midnight. Winds could gust as high as 10 mph.
Saturday
Areas of frost before 8am. Otherwise, mostly sunny, with a high near 57. Light north northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 41. West northwest wind 5 to 10 mph becoming south southwest after midnight. Winds could gust as high as 15 mph.
Sunday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 69. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 47. West wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 76.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 49. Chance of precipitation is 50%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 61.
Tuesday Night
A chance of showers before 1am. Mostly cloudy, with a low around 42.
Wednesday
Mostly cloudy, with a high near 59.
Wednesday Night
Mostly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Mostly clear, with a low around 41.
Friday
Sunny, with a high near 66.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Illinois Valley Rgnl-Walter A Duncan Field Airport IL
41.34°N 89.14°W
41.34°N 89.14°W
9:06 pm CDT May 1, 2026
9pm CDT May 1, 2026-6pm CDT May 8, 2026



