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

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. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

81°F

27°C

Humidity 67%
Wind Speed NE 7 mph
Barometer 30.00 in (1015.6 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 20 Aug 6:53 pm CDT
Extended Forecast for

Freeburg IL

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly clear, with a low around 64. Northeast wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, sunny, with a high near 85. Light and variable wind.

    High: 85 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 84. Light northwest wind increasing to 5 to 9 mph in the morning.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64. North wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Sunday Night

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

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 64. Northeast wind around 5 mph becoming calm in the evening.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 85. Light and variable wind.
Friday Night
Mostly clear, with a low around 68. Calm wind.
Saturday
Mostly sunny, with a high near 84. Light northwest wind increasing to 5 to 9 mph in the morning.
Saturday Night
Mostly clear, with a low around 64. North wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Partly sunny, with a high near 81.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63.
Tuesday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 85.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 67.
Wednesday
Partly sunny, with a high near 86.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 66.
Thursday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Freeburg IL
 38.43°N 89.9°W (Elev. 502 ft)
Last Update:
5:56 pm CDT Aug 20, 2026
Forecast Valid:
7pm CDT Aug 20, 2026-6pm CDT Aug 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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