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

Macomb Municipal Airport (KMQB)

Lat: 40.52°NLon: 90.65°WElev: 679ft.

Fair

71°F

22°C

Humidity 100%
Wind Speed SW 3 mph
Barometer 29.98 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 18 Aug 9:15 pm CDT
Extended Forecast for

5 Miles SSE Roseville IL

  • Tonight

    Tonight: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 66. Southwest wind around 5 mph becoming calm.  Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 79. Calm wind.  Chance of precipitation is 30%.

    High: 79 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers between 10pm and 11pm.  Mostly 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 79. Calm wind.

    High: 79 °F

    Sunny

  • Thursday Night

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

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Saturday Night

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

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Southwest wind around 5 mph becoming calm. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. Calm wind. Chance of precipitation is 30%.
Wednesday Night
A slight chance of showers between 10pm and 11pm. Mostly cloudy, with a low around 61. Calm wind. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 79. Calm wind.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Mostly cloudy, with a low around 60.
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.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Roseville IL
 40.66°N 90.63°W (Elev. 758 ft)
8:16 pm CDT Aug 18, 2026
9pm 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