Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Light Rain

73°F

23°C

Humidity 100%
Wind Speed S 8 mph
Barometer 30.07 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 15 Aug 4:41 am CDT
Extended Forecast for

Lostant IL

Flood Watch August 15, 04:59am until August 15, 10:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 15, 04:59am until August 15, 10:00am

    NOW until 10:00am Sat

    Flood Watch

  • Overnight

    Low: 72 °F

    Heavy Rain

  • Saturday

    Saturday: Showers and thunderstorms before 1pm, then a slight chance of showers after 2pm. Some of the storms could produce heavy rainfall.  High near 83. South southeast wind 5 to 10 mph becoming west southwest in the afternoon.  Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 83 °F

    Heavy Rain
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers, then a chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 73. South southwest wind around 5 mph.  Chance of precipitation is 30%.

    Low: 73 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly before 8am.  Mostly cloudy, with a high near 84. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 84 °F

    Chance
    T-storms then
    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 65. Northwest wind 5 to 10 mph.

    Low: 65 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 72. Southeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers and thunderstorms before 1pm, then a slight chance of showers after 2pm. Some of the storms could produce heavy rainfall. High near 83. South southeast wind 5 to 10 mph becoming west southwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Saturday Night
A slight chance of showers, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 73. South southwest wind around 5 mph. Chance of precipitation is 30%.
Sunday
A 40 percent chance of showers and thunderstorms, mainly before 8am. Mostly cloudy, with a high near 84. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday Night
Partly cloudy, with a low around 65. Northwest wind 5 to 10 mph.
Monday
Sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Showers likely after 1am. Mostly cloudy, with a low around 69.
Wednesday
A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 76.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Lostant IL
 41.14°N 89.07°W
3:11 am CDT Aug 15, 2026
4am CDT Aug 15, 2026-6pm CDT Aug 21, 2026
 
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Additional Resources

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