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

Tri-Township Airport (KSFY)

Lat: 42.05°NLon: 90.11°WElev: 614ft.

Fair

83°F

28°C

Humidity 52%
Wind Speed N 5 mph
Barometer 29.91 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 19 Aug 4:55 pm CDT
Extended Forecast for

6 Miles SSW Stockton IL

  • Tonight

    Tonight: Patchy fog after 2am.  Otherwise, partly cloudy, with a low around 57. North wind around 5 mph becoming calm  in the evening.

    Low: 57 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 8am.  Otherwise, sunny, with a high near 80. Calm wind becoming south around 5 mph.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 3am.  Increasing clouds, with a low around 61. Calm wind becoming south around 5 mph after midnight.

    Low: 61 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then a chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 80. South wind 5 to 10 mph.  Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

  • Friday Night

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

    Low: 60 °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 57.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 57. North wind around 5 mph becoming calm in the evening.
Thursday
Patchy fog before 8am. Otherwise, sunny, with a high near 80. Calm wind becoming south around 5 mph.
Thursday Night
A 20 percent chance of showers after 3am. Increasing clouds, with a low around 61. Calm wind becoming south around 5 mph after midnight.
Friday
A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. South wind 5 to 10 mph. Chance of precipitation is 60%.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Partly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW Stockton IL
 42.26°N 90.06°W (Elev. 787 ft)
4:01 pm CDT Aug 19, 2026
5pm CDT Aug 19, 2026-6pm CDT Aug 26, 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