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

Salem, Salem-Leckrone Airport (KSLO)

Lat: 38.64°NLon: 88.96°WElev: 574ft.

83°F

28°C

Humidity 70%
Wind Speed NA
Barometer 29.96 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 19 Aug 11:55 am CDT
Extended Forecast for

5 Miles W Saint Peter IL

  • This Afternoon

    This Afternoon: A chance of showers, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 80. Light southwest wind.  Chance of precipitation is 30%.

    High: 80 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms.  Patchy fog after 1am.  Otherwise, mostly cloudy, with a low around 68. Calm wind.  Chance of precipitation is 50%.

    Low: 68 °F

    Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 9am.  Otherwise, partly sunny, with a high near 83. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 83 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 85. Light and variable wind.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 84.

    High: 84 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 80. Light southwest wind. Chance of precipitation is 30%.
Tonight
A chance of showers and thunderstorms. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 50%.
Thursday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 83. Calm wind becoming northeast around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 64. Calm wind.
Friday
Mostly sunny, with a high near 85. Light and variable wind.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 65.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 82.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Tuesday
Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Saint Peter IL
 38.89°N 88.94°W (Elev. 574 ft)
11:26 am CDT Aug 19, 2026
12pm 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