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.

Mostly Cloudy

81°F

27°C

Humidity 83%
Wind Speed S 6 mph
Barometer 29.92 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 19 Aug 4:35 pm CDT
Extended Forecast for

2 Miles SW Tennessee IL

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 5pm.  Mostly cloudy, with a high near 80. Northeast wind around 5 mph.

    High: 80 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and midnight. Some of the storms could produce heavy rainfall.  Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 64. Northeast wind around 5 mph becoming calm.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Heavy Rain
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 81. Calm wind becoming northeast around 5 mph.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

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

    Low: 64 °F

    Mostly Clear
    then Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

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

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, with a high near 80. Northeast wind around 5 mph.
Tonight
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and midnight. Some of the storms could produce heavy rainfall. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 64. Northeast wind around 5 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 81. Calm wind becoming northeast around 5 mph.
Thursday Night
Mostly clear, with a low around 63. Calm wind.
Friday
Sunny, with a high near 84.
Friday Night
A 30 percent chance of showers after 1am. Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Tennessee IL
 40.38°N 90.87°W (Elev. 614 ft)
4:01 pm CDT Aug 19, 2026
4pm CDT Aug 19, 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