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

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Light Rain

77°F

25°C

Humidity 85%
Wind Speed SW 5 mph
Barometer 29.94 in (1013.1 mb)
Dewpoint 72°F (22°C)
Visibility 7.00 mi
Heat Index78°F (26°C)
Last update 19 Aug 12:54 pm CDT
Extended Forecast for

3 Miles ESE Moscow Mills MO

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms.  Cloudy, with a high near 81. Calm wind.

    High: 81 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am.  Patchy fog after 3am.  Otherwise, mostly cloudy, with a low around 67. Calm wind.  Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 8am.  Otherwise, partly sunny, with a high near 84. Calm wind.

    High: 84 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 87. Calm wind.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm.  Mostly sunny, with a high near 85.

    High: 85 °F

    Slight Chance
    Showers

  • Saturday Night

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

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm.  Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Cloudy, with a high near 81. Calm wind.
Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 30%.
Thursday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 84. Calm wind.
Thursday Night
Partly cloudy, with a low around 65. Calm wind.
Friday
Sunny, with a high near 87. Calm wind.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 66.
Saturday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 85.
Saturday Night
Mostly clear, with a low around 64.
Sunday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 83.
Sunday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 20%.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 83.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 66.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Moscow Mills MO
 38.92°N 90.87°W (Elev. 499 ft)
1:26 pm CDT Aug 19, 2026
1pm 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