Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Current conditions at

Burlington Regional Airport (KBRL)

Lat: 40.77°NLon: 91.13°WElev: 679ft.

Fair

71°F

22°C

Humidity 96%
Wind Speed W 3 mph
Barometer 29.95 in (1013.8 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 18 Aug 9:53 pm CDT
Extended Forecast for

5 Miles ENE Burnside IL

  • Tonight

    Tonight: A chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am.  Increasing clouds, with a low around 66. Calm wind.  Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm.  Cloudy, then gradually becoming mostly sunny, with a high near 80. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 80 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers between 10pm and 11pm.  Increasing clouds, with a low around 62. North wind around 5 mph becoming calm.

    Low: 62 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 81. Calm wind becoming east around 5 mph.

    High: 81 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 1am.  Mostly clear, with a low around 64.

    Low: 64 °F

    Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Increasing clouds, with a low around 66. Calm wind. Chance of precipitation is 40%.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 80. Calm wind becoming northeast around 5 mph in the afternoon.
Wednesday Night
A 20 percent chance of showers between 10pm and 11pm. Increasing clouds, with a low around 62. North wind around 5 mph becoming calm.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 81. Calm wind becoming east around 5 mph.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 82.
Friday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Mostly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Burnside IL
 40.54°N 91.01°W (Elev. 650 ft)
8:16 pm CDT Aug 18, 2026
10pm CDT Aug 18, 2026-6pm CDT Aug 25, 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