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 SE 3 mph
Barometer 30.07 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 15 Aug 5:38 am CDT
Extended Forecast for

Ottawa IL

Flood Watch August 15, 05:46am until August 15, 10:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 15, 05:46am until August 15, 10:00am

    NOW until 10:00am Sat

    Flood Watch

  • Overnight

    Low: 72 °F

    Showers

  • Saturday

    Saturday: Showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 4pm.  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 a half and three quarters of an inch possible.

    High: 83 °F

    Showers then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers before midnight, then a chance of showers and thunderstorms between midnight and 4am, then showers likely and possibly a thunderstorm after 4am.  Mostly cloudy, with a low around 73. South southwest wind around 5 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly before 8am.  Mostly cloudy, with a high near 84. West northwest wind around 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 66. North northwest wind 5 to 10 mph.

    Low: 66 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 82.

    High: 82 °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 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Low around 72. East southeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 4pm. 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 a half and three quarters of an inch possible.
Saturday Night
A slight chance of showers before midnight, then a chance of showers and thunderstorms between midnight and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 73. South southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A 40 percent chance of showers and thunderstorms, mainly before 8am. Mostly cloudy, with a high near 84. West northwest wind around 10 mph, with gusts as high as 15 mph.
Sunday Night
Partly cloudy, with a low around 66. North northwest wind 5 to 10 mph.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 69.
Wednesday
A chance of showers before 1pm. Mostly cloudy, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Ottawa IL
 41.35°N 88.85°W
5:33 am CDT Aug 15, 2026
5am CDT Aug 15, 2026-6pm CDT Aug 21, 2026
 
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Additional Resources

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