National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

72°F

22°C

Humidity 94%
Wind Speed Calm
Barometer 29.90 in (1012.0 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 20 Aug 2:54 am CDT
Extended Forecast for

4 Miles NE Golden Eagle IL

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 83. North wind 3 to 6 mph.

    High: 83 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 66. Northeast wind around 6 mph becoming calm in the evening.

    Low: 66 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, sunny, with a high near 87. Light and variable wind.

    High: 87 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 86.

    High: 86 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 69. Calm wind.
Thursday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 83. North wind 3 to 6 mph.
Thursday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 66. Northeast wind around 6 mph becoming calm in the evening.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 87. Light and variable wind.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 68. Calm wind.
Saturday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Mostly sunny, with a high near 88.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Golden Eagle IL
 38.92°N 90.53°W (Elev. 499 ft)
Last Update:
1:20 am CDT Aug 20, 2026
Forecast Valid:
3am CDT Aug 20, 2026-6pm CDT Aug 26, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation