Current conditions at
Illinois Valley Regional Airport (KVYS)
Lat: 41.35°NLon: 89.15°WElev: 650ft.
Fair
51°F
11°C
| Humidity | 20% |
| Wind Speed | SW 7 mph |
| Barometer | 29.62 in |
| Dewpoint | 11°F (-12°C) |
| Visibility | 10.00 mi |
| Wind Chill | 48°F (9°C) |
| Last update | 18 Feb 6:55 pm CST |
Extended Forecast for
Peru IL
Tonight

Low: 39 °F
Mostly Cloudy
Thursday
High: 63 °F
Partly Sunny
then Showers
LikelyThursday Night
Low: 33 °F
Showers
Likely then
Chance
Rain/Snow and
BreezyFriday
High: 41 °F
Breezy.
Slight Chance
Snow then
Partly SunnyFriday Night

Low: 24 °F
Partly Cloudy
Saturday

High: 37 °F
Mostly Sunny
Saturday Night

Low: 20 °F
Mostly Cloudy
Sunday
High: 32 °F
Partly Sunny
then Mostly
Sunny and
BreezySunday Night

Low: 17 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly cloudy, with a low around 39. Southwest wind 5 to 10 mph becoming northeast after midnight. Winds could gust as high as 15 mph.
Thursday
A slight chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 63. Southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Rain showers likely before midnight, then a chance of rain between midnight and 3am, then a chance of rain and snow after 3am. Some thunder is also possible. Partly cloudy, with a low around 33. Breezy, with a southeast wind 10 to 15 mph becoming west southwest 20 to 25 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 41. Breezy, with a west wind 15 to 25 mph, with gusts as high as 35 mph.
Friday Night
Partly cloudy, with a low around 24. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 37.
Saturday Night
Mostly cloudy, with a low around 20.
Sunday
Partly sunny, with a high near 32. Breezy.
Sunday Night
Mostly clear, with a low around 17.
Monday
Sunny, with a high near 34.
Monday Night
Mostly clear, with a low around 17.
Tuesday
Partly sunny, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Partly sunny, with a high near 49.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Peru IL
41.32°N 89.12°W
41.32°N 89.12°W
5:56 pm CST Feb 18, 2026
7pm CST Feb 18, 2026-6pm CST Feb 25, 2026


