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Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Overcast

74°F

23°C

Humidity 82%
Wind Speed N 7 mph
Barometer 30.04 in (1016.7 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 20 Aug 10:54 am CDT
Extended Forecast for

5 Miles NE Hardin IL

  • Today

    Today: Partly sunny, with a high near 83. Northeast wind around 6 mph.

    High: 83 °F

    Partly Sunny

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 63. Light northeast wind.

    Low: 63 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 87 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 85. Calm wind becoming north 5 to 8 mph in the morning.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 61.

    Low: 61 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 83. Northeast wind around 6 mph.
Tonight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 63. Light northeast wind.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 67. Calm wind.
Saturday
Sunny, with a high near 85. Calm wind becoming north 5 to 8 mph in the morning.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Mostly cloudy, with a low around 61.
Monday
Partly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Hardin IL
 39.18°N 90.55°W (Elev. 499 ft)
Last Update:
9:36 am CDT Aug 20, 2026
Forecast Valid:
11am CDT Aug 20, 2026-6pm CDT Aug 26, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation