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

56°F

13°C

Humidity 59%
Wind Speed SE 7 mph
Barometer 30.01 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 15 May 2:15 am CDT
Extended Forecast for

6 Miles NNW Brownstown IL

  • Overnight

    Overnight: Partly cloudy, with a low around 54. Southeast wind around 8 mph.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Showers and thunderstorms, mainly before 9am. High near 77. South wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.

    High: 77 °F

    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64. South wind 8 to 10 mph.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: Showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms after 4pm. High near 80. Southwest wind 8 to 11 mph. Chance of precipitation is 80%.

    High: 80 °F

    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 63. South wind 3 to 8 mph. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Breezy.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms and
    Breezy

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 54. Southeast wind around 8 mph.
Friday
Showers and thunderstorms, mainly before 9am. High near 77. South wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Friday Night
Partly cloudy, with a low around 64. South wind 8 to 10 mph.
Saturday
Showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms after 4pm. High near 80. Southwest wind 8 to 11 mph. Chance of precipitation is 80%.
Saturday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 63. South wind 3 to 8 mph. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 68.
Monday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Breezy.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 83. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 73.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Thursday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Brownstown IL
 39.07°N 88.99°W (Elev. 531 ft)
Last Update:
1:26 am CDT May 15, 2026
Forecast Valid:
2am CDT May 15, 2026-6pm CDT May 21, 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