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Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

57°F

14°C

Humidity 94%
Wind Speed NW 5 mph
Barometer 30.06 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 13 Sep 6:39 am CDT
Extended Forecast for

Ottawa IL

  • Today

    Today: Scattered showers, mainly after 2pm. Partly sunny, with a high near 75. North wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.

    High: 75 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 50. North wind around 5 mph becoming calm in the evening.

    Low: 50 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 77. East northeast wind 5 to 10 mph becoming southeast 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69. Southeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 69 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 86. South southwest wind 10 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    High: 86 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 63. Chance of precipitation is 80%.

    Low: 63 °F

    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 1pm, then a chance of showers. High near 76. Chance of precipitation is 80%.

    High: 76 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 83.

    High: 83 °F

    Showers
    Likely

Detailed Forecast

Today
Scattered showers, mainly after 2pm. Partly sunny, with a high near 75. North wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.
Tonight
Mostly clear, with a low around 50. North wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 77. East northeast wind 5 to 10 mph becoming southeast 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69. Southeast wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 86. South southwest wind 10 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 63. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm before 1pm, then a chance of showers. High near 76. Chance of precipitation is 80%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67.
Thursday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 83.
Thursday Night
A chance of showers after 1am. Mostly cloudy, with a low around 65.
Friday
A chance of showers. Partly sunny, with a high near 79.
Friday Night
Showers likely. Mostly cloudy, with a low around 62.
Saturday
A chance of showers. Partly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Ottawa IL
 41.35°N 88.85°W
Last Update:
3:25 am CDT Sep 13, 2026
Forecast Valid:
6am CDT Sep 13, 2026-6pm CDT Sep 19, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation