Severe Thunderstorms and Flash Flooding Possible Through the Holiday Weekend

Severe thunderstorms, heavy rainfall, and additional flash flooding will remain possible across much of the central U.S. and into parts of the Ohio Valley and Mid Atlantic through Monday. Elsewhere, cool and unsettled weather will persist over the West, while record high temperatures are expected in the Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Drizzle

64°F

18°C

Humidity 90%
Wind Speed W 7 mph
Barometer 30.03 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 26 May 8:35 am CDT
Extended Forecast for

Ottawa IL

  • Today

    Today: Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms between 10am and 4pm, then a slight chance of showers after 4pm.  Mostly cloudy, with a high near 75. West wind around 5 mph becoming south southwest in the morning.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely

    High: 75 °F

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 4am.  Mostly cloudy, with a low around 58. East northeast wind around 5 mph.

    Partly Cloudy
    then Slight
    Chance
    T-storms

    Low: 58 °F

  • Memorial
    Day

    Memorial Day: Showers and thunderstorms likely, mainly after 1pm.  Mostly cloudy, with a high near 79. East wind 5 to 15 mph becoming south in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    T-storms
    Likely

    High: 79 °F

  • Monday
    Night

    Monday Night: A 50 percent chance of showers and thunderstorms, mainly before 1am.  Mostly cloudy, with a low around 65. South southwest wind 5 to 10 mph.

    Chance
    T-storms

    Low: 65 °F

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm.  Partly sunny, with a high near 80. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Chance
    T-storms

    High: 80 °F

  • Tuesday
    Night

    Tuesday Night: Showers and thunderstorms likely.  Cloudy, with a low around 64. Chance of precipitation is 70%.

    T-storms
    Likely

    Low: 64 °F

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms.  Partly sunny, with a high near 79. Chance of precipitation is 20%.

    Slight Chance
    T-storms

    High: 79 °F

  • Wednesday
    Night

    Wednesday Night: A slight chance of showers before 1am.  Mostly cloudy, with a low around 57.

    Slight Chance
    Showers

    Low: 57 °F

  • Thursday

    Thursday: A slight chance of showers before 1pm.  Partly sunny, with a high near 72.

    Slight Chance
    Showers

    High: 72 °F

Detailed Forecast

Today
Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms between 10am and 4pm, then a slight chance of showers after 4pm. Mostly cloudy, with a high near 75. West wind around 5 mph becoming south southwest in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 58. East northeast wind around 5 mph.
Memorial Day
Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 79. East wind 5 to 15 mph becoming south in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 65. South southwest wind 5 to 10 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 80. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Showers and thunderstorms likely. Cloudy, with a low around 64. Chance of precipitation is 70%.
Wednesday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers before 1am. Mostly cloudy, with a low around 57.
Thursday
A slight chance of showers before 1pm. Partly sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 55.
Friday
A slight chance of showers. Mostly sunny, with a high near 76.
Friday Night
A chance of showers. Mostly cloudy, with a low around 57.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 77.
Click Map For Forecast
Point Forecast:
Ottawa IL
 41.35°N 88.85°W
7:15 am CDT May 26, 2019
8am CDT May 26, 2019-6pm CDT Jun 1, 2019
 
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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