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

46°F

8°C

Humidity 53%
Wind Speed NW 9 mph
Barometer 30.06 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 13 Mar 9:35 pm CDT
Extended Forecast for

3 Miles NNE Brownstown IL

  • Tonight

    Tonight: Partly cloudy, with a low around 33. Northwest wind around 6 mph becoming light and variable.

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 58. Southeast wind 6 to 13 mph.

    High: 58 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50. Southeast wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 50 °F

    Partly Cloudy

  • Sunday

    Sunday: Rain likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 67. Breezy, with a south wind 18 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 70%.

    High: 67 °F

    Breezy.
    Chance Rain
    then Showers
    Likely

  • Sunday Night

    Sunday Night: Rain before 1am, then a chance of snow. Some thunder is also possible. Low around 23. Breezy, with a south wind 22 to 26 mph becoming west after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 23 °F

    Breezy.
    Showers then
    Rain/Snow

  • Monday

    Monday: A 40 percent chance of snow before 1pm. Mostly cloudy, with a high near 25. Breezy.

    High: 25 °F

    Chance Snow
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 11. Blustery.

    Low: 11 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of snow before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.

    Low: 24 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 33. Northwest wind around 6 mph becoming light and variable.
Saturday
Mostly sunny, with a high near 58. Southeast wind 6 to 13 mph.
Saturday Night
Partly cloudy, with a low around 50. Southeast wind 10 to 14 mph, with gusts as high as 24 mph.
Sunday
Rain likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 67. Breezy, with a south wind 18 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 70%.
Sunday Night
Rain before 1am, then a chance of snow. Some thunder is also possible. Low around 23. Breezy, with a south wind 22 to 26 mph becoming west after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Monday
A 40 percent chance of snow before 1pm. Mostly cloudy, with a high near 25. Breezy.
Monday Night
Partly cloudy, with a low around 11. Blustery.
Tuesday
Mostly sunny, with a high near 32.
Tuesday Night
A slight chance of snow before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 56.
Wednesday Night
Mostly clear, with a low around 36.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Brownstown IL
 39.04°N 88.93°W (Elev. 558 ft)
Last Update:
8:31 pm CDT Mar 13, 2026
Forecast Valid:
9pm CDT Mar 13, 2026-6pm CDT Mar 20, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation