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 50%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 29 Sep 6:15 pm CDT
Extended Forecast for

Jewett IL

  • Tonight

    Tonight: Partly cloudy, with a low around 61. South southeast wind 3 to 5 mph.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 86. South wind 5 to 9 mph, with gusts as high as 15 mph.

    High: 86 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 70. South wind around 7 mph.

    Low: 70 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 89. Southwest wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 89 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Showers, mainly after 1am. Low around 66. South southwest wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: Showers, mainly before 1pm. High near 73. North wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 73 °F

    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 54. North northeast wind 8 to 13 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 61. South southeast wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 86. South wind 5 to 9 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly cloudy, with a low around 70. South wind around 7 mph.
Thursday
Partly sunny, with a high near 89. Southwest wind 8 to 13 mph, with gusts as high as 20 mph.
Thursday Night
Showers, mainly after 1am. Low around 66. South southwest wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Showers, mainly before 1pm. High near 73. North wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Mostly cloudy, with a low around 54. North northeast wind 8 to 13 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 69.
Monday Night
Clear, with a low around 44.
Tuesday
Sunny, with a high near 69.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Jewett IL
 39.22°N 88.23°W (Elev. 551 ft)
Last Update:
2:52 pm CDT Sep 29, 2026
Forecast Valid:
6pm CDT Sep 29, 2026-6pm CDT Oct 6, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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