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Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

91°F

33°C

Humidity 52%
Wind Speed SW 10 G 18 mph
Barometer 30.05 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 2 Jul 2:24 pm CDT
Extended Forecast for

2 Miles S Ottawa IL

Extreme Heat Warning July 2, 02:31pm until July 3, 12:00am
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 2, 02:31pm until July 3, 12:00am

    NOW until 12:00am Fri

    Extreme Heat Warning

  • This Afternoon

    High: 94 °F

    Mostly Sunny

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 74. South southwest wind 5 to 10 mph.

    Low: 74 °F

    Partly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 4pm. Mostly sunny, with a high near 90. Heat index values as high as 102. Southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 7pm, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 73. South southwest wind around 5 mph. Chance of precipitation is 60%.

    Low: 73 °F

    T-storms
    Likely then
    Showers
    Likely

  • Independence Day

    Independence Day: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 87. South southwest wind 5 to 10 mph becoming east southeast in the morning. Chance of precipitation is 70%.

    High: 87 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

    Low: 70 °F

    T-storms
    Likely then
    Showers
    Likely

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85.

    High: 85 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 94. Heat index values as high as 102. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 74. South southwest wind 5 to 10 mph.
Friday
Showers and thunderstorms likely, mainly after 4pm. Mostly sunny, with a high near 90. Heat index values as high as 102. Southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms likely, mainly before 7pm, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 73. South southwest wind around 5 mph. Chance of precipitation is 60%.
Independence Day
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 87. South southwest wind 5 to 10 mph becoming east southeast in the morning. Chance of precipitation is 70%.
Saturday Night
Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 66.
Monday
Partly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
Partly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
Mostly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Ottawa IL
 41.33°N 88.82°W
Last Update:
1:51 pm CDT Jul 2, 2026
Forecast Valid:
2pm CDT Jul 2, 2026-6pm CDT Jul 8, 2026
 
Forecast Discussion
 
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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