Significant Severe Weather and Flooding Continue for the Central U.S.

Severe thunderstorms, with some strong tornadoes and very large hail, will continue across central portions of the country through Thursday evening as well as a strong wind threat in portions of the Northeast. Very heavy rainfall on already saturated and flooded ground in the Plains means significant flooding will continue into next week. Read More >

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

23°C

73°F

Humidity 47%
Wind Speed W 20 km/h
Barometer 30.07 in
Dewpoint 11°C (52°F)
Visibility 16 km
Last update 23 May 4:15 pm CDT
Extended Forecast for

Ottawa IL

  • Tonight

    Tonight: A slight chance of showers between 4am and 5am, then a chance of showers and thunderstorms after 5am.  Increasing clouds, with a low around 14. West northwest wind 5 to 15 km/h becoming east northeast after midnight.  Chance of precipitation is 30%.

    Mostly Clear
    then Chance
    Showers

    Low: 14 °C

  • Friday

    Friday: Showers and thunderstorms likely, mainly before 1pm.  Mostly cloudy, with a high near 27. East wind 15 to 20 km/h becoming south in the afternoon.  Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.

    T-storms
    Likely

    High: 27 °C

  • Friday
    Night

    Friday Night: Showers and thunderstorms likely, mainly after 1am.  Mostly cloudy, with a low around 19. South wind 10 to 15 km/h.  Chance of precipitation is 60%. New rainfall amounts between 7.5 mm and 1 cm possible.

    T-storms
    Likely

    Low: 19 °C

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Some of the storms could be severe.  Cloudy, with a high near 27. West southwest wind 15 to 20 km/h, with gusts as high as 35 km/h.  Chance of precipitation is 60%.

    Severe
    Thunderstorms

    High: 27 °C

  • Saturday
    Night

    Saturday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 17. Southwest wind 10 to 15 km/h, with gusts as high as 25 km/h.

    Chance
    T-storms

    Low: 17 °C

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 24. Chance of precipitation is 60%.

    Showers
    Likely

    High: 24 °C

  • Sunday
    Night

    Sunday Night: A 30 percent chance of showers after 1am.  Mostly cloudy, with a low around 14.

    Mostly Cloudy
    then Chance
    Showers

    Low: 14 °C

  • Memorial
    Day

    Memorial Day: A chance of showers and thunderstorms, mainly before 1pm.  Mostly cloudy, with a high near 27.

    Chance
    Showers

    High: 27 °C

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 17.

    Mostly Cloudy

    Low: 17 °C

Detailed Forecast

Tonight
A slight chance of showers between 4am and 5am, then a chance of showers and thunderstorms after 5am. Increasing clouds, with a low around 14. West northwest wind 5 to 15 km/h becoming east northeast after midnight. Chance of precipitation is 30%.
Friday
Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 27. East wind 15 to 20 km/h becoming south in the afternoon. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.
Friday Night
Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 19. South wind 10 to 15 km/h. Chance of precipitation is 60%. New rainfall amounts between 7.5 mm and 1 cm possible.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Some of the storms could be severe. Cloudy, with a high near 27. West southwest wind 15 to 20 km/h, with gusts as high as 35 km/h. Chance of precipitation is 60%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 17. Southwest wind 10 to 15 km/h, with gusts as high as 25 km/h.
Sunday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 24. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 14.
Memorial Day
A chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 27.
Monday Night
Mostly cloudy, with a low around 17.
Tuesday
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 27.
Tuesday Night
Showers and possibly a thunderstorm. Cloudy, with a low around 15.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 23.
Wednesday Night
Partly cloudy, with a low around 12.
Thursday
Sunny, with a high near 23.
Click Map For Forecast
Point Forecast:
Ottawa IL
 41.35°N 88.85°W
4:16 pm CDT May 23, 2019
4pm CDT May 23, 2019-6pm CDT May 30, 2019
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database