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.

Overcast

65°F

18°C

Humidity 61%
Wind Speed SW 10 G 17 mph
Barometer 29.93 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 13 May 1:35 am CDT
Extended Forecast for

3 Miles NNE Brownstown IL

  • Overnight

    Overnight: Mostly cloudy early, then gradual clearing, with a low around 56. Southwest wind 7 to 9 mph becoming northwest.

    Low: 56 °F

    Gradual
    Clearing

  • Wednesday

    Wednesday: Sunny, with a high near 70. Northwest wind 8 to 15 mph.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 45. North wind 5 to 8 mph becoming calm in the evening.

    Low: 45 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 71. Calm wind.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 53. Light south wind becoming southeast 5 to 10 mph in the evening. Chance of precipitation is 30%.

    Low: 53 °F

    Mostly Clear
    then Chance
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 1pm. Partly sunny, with a high near 77. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.

    Low: 64 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 85.

    High: 85 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy early, then gradual clearing, with a low around 56. Southwest wind 7 to 9 mph becoming northwest.
Wednesday
Sunny, with a high near 70. Northwest wind 8 to 15 mph.
Wednesday Night
Clear, with a low around 45. North wind 5 to 8 mph becoming calm in the evening.
Thursday
Sunny, with a high near 71. Calm wind.
Thursday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 53. Light south wind becoming southeast 5 to 10 mph in the evening. Chance of precipitation is 30%.
Friday
Showers likely and possibly a thunderstorm before 1pm. Partly sunny, with a high near 77. Chance of precipitation is 60%.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 85.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 65.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 69.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Breezy.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 80. Chance of precipitation is 70%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Brownstown IL
 39.04°N 88.93°W (Elev. 558 ft)
Last Update:
1:25 am CDT May 13, 2026
Forecast Valid:
1am CDT May 13, 2026-6pm CDT May 19, 2026
 
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