Lala Impacting Hawaii; Flash Flooding Risks; Excessive Heat

Lala will continue to impact Hawaii through the weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Thunderstorms, heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians and the mid-Atlantic through today. Record heat continues for areas of the Mississippi Valley into the Southeast. Read More >

Current conditions at

Sparta Community-Hunter Field Airport (KSAR)

Lat: 38.15°NLon: 89.7°WElev: 528ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Walsh IL

Extreme Heat Warning August 16, 07:24pm until August 16, 09:00pm
Click here for hazard details and duration
...
  •  
    Extreme Heat Warning August 16, 07:24pm until August 16, 09:00pm

    NOW until 9:00pm Sun

    Extreme Heat Warning

  • Tonight

    Low: 70 °F

    Chance
    T-storms

  • Monday

    Monday: Cloudy through mid morning, then gradual clearing, with a high near 85. Northwest wind 5 to 10 mph.

    High: 85 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 64. North wind around 6 mph becoming calm  in the evening.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 87. Calm wind.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am.  Mostly clear, with a low around 69. Light south wind.

    Low: 69 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly before 1pm.  Partly sunny, with a high near 88.

    High: 88 °F

    Chance
    T-storms

  • 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 66. Chance of precipitation is 60%.

    Low: 66 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly before 1pm.  Mostly cloudy, with a high near 81.

    High: 81 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly before 5am. Increasing clouds, with a low around 70. Light and variable wind becoming northeast around 6 mph after midnight.
Monday
Cloudy through mid morning, then gradual clearing, with a high near 85. Northwest wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 64. North wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 87. Calm wind.
Tuesday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 69. Light south wind.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 88.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Thursday
A 50 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 81.
Thursday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Friday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Walsh IL
 38.1°N 89.86°W (Elev. 499 ft)
6:29 pm CDT Aug 16, 2026
7pm CDT Aug 16, 2026-6pm CDT Aug 23, 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