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

64°F

18°C

Humidity 88%
Wind Speed SE 5 mph
Barometer 29.81 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 18 Oct 2:35 am CDT
Extended Forecast for

2 Miles WNW Brownstown IL

  • Overnight

    Overnight: Mostly clear, with a low around 61. South wind around 8 mph.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11am. Increasing clouds, with a high near 77. Southwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

    High: 77 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 4am, then showers likely. Some of the storms could produce heavy rainfall. Low around 49. South wind 8 to 16 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 100%.

    Low: 49 °F

    Heavy Rain

  • Sunday

    Sunday: Showers likely, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 62. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.

    High: 62 °F

    Breezy.
    Showers
    Likely then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Clear, with a low around 40. West wind 5 to 7 mph becoming calm in the evening.

    Low: 40 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Tuesday Night

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

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 61. South wind around 8 mph.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11am. Increasing clouds, with a high near 77. Southwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Saturday Night
Showers and possibly a thunderstorm before 4am, then showers likely. Some of the storms could produce heavy rainfall. Low around 49. South wind 8 to 16 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 100%.
Sunday
Showers likely, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 62. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.
Sunday Night
Clear, with a low around 40. West wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Sunny, with a high near 62.
Tuesday Night
Mostly clear, with a low around 37.
Wednesday
Sunny, with a high near 63.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 41.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 66.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 41.
Friday
Mostly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Brownstown IL
 39°N 88.99°W (Elev. 538 ft)
Last Update:
1:06 am CDT Oct 18, 2025
Forecast Valid:
2am CDT Oct 18, 2025-6pm CDT Oct 24, 2025
 
Forecast Discussion
 
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Additional Resources

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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