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

55°F

13°C

Humidity 46%
Wind Speed SW 6 mph
Barometer 29.73 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 13 Jan 4:15 pm CST
Extended Forecast for

Brownstown IL

  • Tonight

    Tonight: A 20 percent chance of rain before 9pm. Mostly cloudy, with a low around 37. Southwest wind 7 to 11 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

    Low: 37 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of sprinkles and flurries before 9am, then a chance of flurries between 9am and 11am. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 28 by 5pm. Breezy, with a north wind 14 to 21 mph, with gusts as high as 29 mph.

    High: 38 °F⇓

    Breezy.
    Chance
    Sprinkles/Flurries
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 16. Northwest wind 8 to 15 mph, with gusts as high as 22 mph.

    Low: 16 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 29. Northwest wind 5 to 7 mph becoming southwest in the afternoon.

    High: 29 °F

    Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of snow, mainly after midnight. Mostly cloudy, with a temperature rising to around 30 by 5am. South wind 5 to 14 mph, with gusts as high as 23 mph.

    Low: 25 °F⇑

    Chance Snow

  • Friday

    Friday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 23.

    High: 23 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 8.

    Low: 8 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of rain before 9pm. Mostly cloudy, with a low around 37. Southwest wind 7 to 11 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Wednesday
A chance of sprinkles and flurries before 9am, then a chance of flurries between 9am and 11am. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 28 by 5pm. Breezy, with a north wind 14 to 21 mph, with gusts as high as 29 mph.
Wednesday Night
Clear, with a low around 16. Northwest wind 8 to 15 mph, with gusts as high as 22 mph.
Thursday
Sunny, with a high near 29. Northwest wind 5 to 7 mph becoming southwest in the afternoon.
Thursday Night
A 40 percent chance of snow, mainly after midnight. Mostly cloudy, with a temperature rising to around 30 by 5am. South wind 5 to 14 mph, with gusts as high as 23 mph.
Friday
Partly sunny, with a high near 40.
Friday Night
Mostly cloudy, with a low around 17.
Saturday
Mostly cloudy, with a high near 23.
Saturday Night
Partly cloudy, with a low around 8.
Sunday
Mostly sunny, with a high near 25.
Sunday Night
Partly cloudy, with a low around 13.
M.L.King Day
Mostly sunny, with a high near 29.
Monday Night
Partly cloudy, with a low around 8.
Tuesday
Mostly sunny, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Brownstown IL
 39°N 88.96°W (Elev. 558 ft)
Last Update:
3:16 pm CST Jan 13, 2026
Forecast Valid:
4pm CST Jan 13, 2026-6pm CST Jan 20, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation