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

49°F

9°C

Humidity 44%
Wind Speed S 10 mph
Barometer 30.20 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 12 Jan 3:55 pm CST
Extended Forecast for

2 Miles WNW Brownstown IL

  • Tonight

    Tonight: Mostly clear, with a low around 33. Southwest wind 3 to 8 mph.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 57. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.

    High: 57 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after 7pm. Mostly cloudy, with a low around 35. West wind 6 to 9 mph becoming northwest after midnight.

    Low: 35 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Mostly cloudy, with a temperature rising to near 39 by 10am, then falling to around 30 during the remainder of the day. Breezy, with a northwest wind 13 to 22 mph, with gusts as high as 30 mph.

    High: 39 °F⇓

    Mostly Cloudy
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 15. North wind 9 to 15 mph, with gusts as high as 24 mph.

    Low: 15 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 28.

    High: 28 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 22.

    Low: 22 °F

    Slight Chance
    Snow

  • Friday

    Friday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 40.

    High: 40 °F

    Mostly Cloudy
    then Chance
    Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Slight Chance
    Snow then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 33. Southwest wind 3 to 8 mph.
Tuesday
Increasing clouds, with a high near 57. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
A 20 percent chance of rain after 7pm. Mostly cloudy, with a low around 35. West wind 6 to 9 mph becoming northwest after midnight.
Wednesday
Mostly cloudy, with a temperature rising to near 39 by 10am, then falling to around 30 during the remainder of the day. Breezy, with a northwest wind 13 to 22 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 15. North wind 9 to 15 mph, with gusts as high as 24 mph.
Thursday
Sunny, with a high near 28.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 22.
Friday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 40.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 18.
Saturday
Partly sunny, with a high near 26.
Saturday Night
Mostly cloudy, with a low around 7.
Sunday
Mostly sunny, with a high near 21.
Sunday Night
Partly cloudy, with a low around 10.
M.L.King Day
Mostly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Brownstown IL
 39°N 88.99°W (Elev. 538 ft)
Last Update:
3:16 pm CST Jan 12, 2026
Forecast Valid:
4pm CST Jan 12, 2026-6pm CST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation