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

Effingham, Effingham County Memorial Airport (K1H2)

Lat: 39.07°NLon: 88.53°WElev: 587ft.

Fair

70°F

21°C

Humidity 51%
Wind Speed E 3 mph
Barometer 30.14 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 10 Oct 11:35 am CDT
Extended Forecast for

Brownstown IL

  • Today

    Today: Partly sunny, with a high near 77. Southeast wind 6 to 8 mph.

    High: 77 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 53. East wind around 6 mph becoming calm in the evening.

    Low: 53 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 84. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 59. Light and variable wind.

    Low: 59 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 91. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am. Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 78. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely

Detailed Forecast

Today
Partly sunny, with a high near 77. Southeast wind 6 to 8 mph.
Tonight
Mostly cloudy, with a low around 53. East wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 84. Calm wind becoming northwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 59. Light and variable wind.
Columbus Day
Sunny, with a high near 91. Light south wind becoming southwest 5 to 10 mph in the morning.
Monday Night
Mostly clear, with a low around 67.
Tuesday
Sunny, with a high near 91.
Tuesday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 61.
Wednesday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 78. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 58.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 77.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 53.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 69.
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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:
11:46 am CDT Oct 10, 2026
Forecast Valid:
11am CDT Oct 10, 2026-6pm CDT Oct 16, 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