Extreme Heat in the Southwest; Severe Weather in the Northern Plains; Heavy Rain in the East

Extreme heat continues across the Southwest as temperatures may top 120 degrees. The heat may expand across the West and south-central U.S. into the middle of the month. Severe thunderstorms capable of severe wind gusts and large hail will be the primary hazards today across the northern Plains into the upper Midwest. Rainfall could be locally heavy across the Eastern U.S. today. Read More >

Current conditions at

St. Charles, St. Charles County Smartt Airport (KSET)

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

68°F

20°C

Humidity 93%
Wind Speed Calm
Barometer 29.99 in (1015.0 mb)
Dewpoint 66°F (19°C)
Visibility 8.00 mi
Last update 3 Aug 11:54 pm CDT
Extended Forecast for

6 Miles SE Whiteside MO

  • Overnight

    Overnight: Mostly clear, with a low around 65. Light southeast wind.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 89. South wind around 5 mph becoming calm  in the afternoon.

    High: 89 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69. Light southeast wind.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm.  Mostly sunny, with a high near 90. South wind 3 to 5 mph.

    High: 90 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am.  Low around 69. Southeast wind 3 to 5 mph.  Chance of precipitation is 80%.

    Low: 69 °F

    Chance
    T-storms then
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms before 1pm.  Mostly cloudy, with a high near 84.

    High: 84 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms.  Mostly cloudy, with a low around 67. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 67.

    Low: 67 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 65. Light southeast wind.
Tuesday
Increasing clouds, with a high near 89. South wind around 5 mph becoming calm in the afternoon.
Tuesday Night
Mostly clear, with a low around 69. Light southeast wind.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Mostly sunny, with a high near 90. South wind 3 to 5 mph.
Wednesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 69. Southeast wind 3 to 5 mph. Chance of precipitation is 80%.
Thursday
A 50 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 84.
Thursday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 20%.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 70.
Sunday
Sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 73.
Monday
Sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Whiteside MO
 39.12°N 90.92°W (Elev. 801 ft)
10:21 pm CDT Aug 3, 2026
12am CDT Aug 4, 2026-6pm CDT Aug 10, 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