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 >

Current conditions at

Burlington Regional Airport (KBRL)

Lat: 40.77°NLon: 91.13°WElev: 679ft.

Fair

69°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 29.94 in (1013.4 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 18 Aug 11:53 pm CDT
Extended Forecast for

Smithshire IL

  • Tonight

    Tonight: A slight chance of showers and thunderstorms, then a chance of showers after 1am.  Mostly cloudy, with a steady temperature around 69. Calm wind.  Chance of precipitation is 40%.

    Low: 69 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 80. Calm wind becoming northeast around 5 mph.  Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers between 10pm and 11pm.  Cloudy, then gradually becoming partly cloudy, with a low around 61. Calm wind.  Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 80. Calm wind becoming east around 5 mph.

    High: 80 °F

    Sunny

  • Thursday Night

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

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °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 80.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a steady temperature around 69. Calm wind. Chance of precipitation is 40%.
Wednesday
A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. Calm wind becoming northeast around 5 mph. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers between 10pm and 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 61. Calm wind. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 80. Calm wind becoming east around 5 mph.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 81.
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 80.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Mostly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 81.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Smithshire IL
 40.8°N 90.77°W (Elev. 725 ft)
11:31 pm CDT Aug 18, 2026
11pm CDT Aug 18, 2026-6pm CDT Aug 25, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database