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

Hazardous Weather Conditions

Current conditions at

Effingham, Effingham County Memorial Airport (K1H2)

Lat: 39.07°NLon: 88.53°WElev: 587ft.

Fair

40°F

4°C

Humidity 56%
Wind Speed S 14 G 21 mph
Barometer 29.69 in
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 24 Feb 7:15 pm CST
Extended Forecast for

Brownstown IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 31. Southwest wind 12 to 17 mph becoming light west after midnight. Winds could gust as high as 28 mph.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 49. Calm wind becoming northwest around 5 mph.

    High: 49 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 32. Calm wind becoming northeast around 6 mph in the evening.

    Low: 32 °F

    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain before noon. Partly sunny, with a high near 49. East wind around 6 mph.

    High: 49 °F

    Chance Rain
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31. Calm wind becoming south around 5 mph after midnight.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain before midnight, then a slight chance of rain and snow. Partly cloudy, with a low around 30. Chance of precipitation is 20%.

    Low: 30 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 31. Southwest wind 12 to 17 mph becoming light west after midnight. Winds could gust as high as 28 mph.
Wednesday
Partly sunny, with a high near 49. Calm wind becoming northwest around 5 mph.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 32. Calm wind becoming northeast around 6 mph in the evening.
Thursday
A 30 percent chance of rain before noon. Partly sunny, with a high near 49. East wind around 6 mph.
Thursday Night
Mostly clear, with a low around 31. Calm wind becoming south around 5 mph after midnight.
Friday
Sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 37.
Saturday
Sunny, with a high near 62.
Saturday Night
A slight chance of rain before midnight, then a slight chance of rain and snow. Partly cloudy, with a low around 30. Chance of precipitation is 20%.
Sunday
A chance of rain and snow, mainly after noon. Partly sunny, with a high near 44. Chance of precipitation is 30%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.
Monday
A 30 percent chance of rain. Mostly cloudy, with a high near 47.
Monday Night
A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 31.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Brownstown IL
 39°N 88.96°W (Elev. 558 ft)
Last Update:
3:36 pm CST Feb 24, 2026
Forecast Valid:
7pm CST Feb 24, 2026-6pm CST Mar 3, 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