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

73°F

23°C

Humidity 65%
Wind Speed SW 17 G 25 mph
Barometer 29.70 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 15 Nov 11:15 am CST
Extended Forecast for

Brownstown IL

  • Today

    Today: Mostly sunny, with a high near 78. Southwest wind 8 to 15 mph, with gusts as high as 26 mph.

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 40. North wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 56. Northwest wind 5 to 9 mph.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 31. Light and variable wind.

    Low: 31 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 56. Calm wind becoming southeast 5 to 7 mph in the morning.

    High: 56 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Showers. Low around 43. Chance of precipitation is 80%.

    Low: 43 °F

    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers before noon. Partly sunny, with a high near 61.

    High: 61 °F

    Chance
    Showers then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly after noon. Partly sunny, with a high near 60.

    High: 60 °F

    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 78. Southwest wind 8 to 15 mph, with gusts as high as 26 mph.
Tonight
Mostly clear, with a low around 40. North wind 6 to 9 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 56. Northwest wind 5 to 9 mph.
Sunday Night
Mostly clear, with a low around 31. Light and variable wind.
Monday
Mostly sunny, with a high near 56. Calm wind becoming southeast 5 to 7 mph in the morning.
Monday Night
Showers. Low around 43. Chance of precipitation is 80%.
Tuesday
A 30 percent chance of showers before noon. Partly sunny, with a high near 61.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
A 30 percent chance of rain, mainly after noon. Partly sunny, with a high near 60.
Wednesday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Thursday
Rain and possibly a thunderstorm. High near 62. Chance of precipitation is 80%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Brownstown IL
 39°N 88.96°W (Elev. 558 ft)
Last Update:
10:42 am CST Nov 15, 2025
Forecast Valid:
11am CST Nov 15, 2025-6pm CST Nov 21, 2025
 
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