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.

Light Rain

76°F

24°C

Humidity 73%
Wind Speed S 5 mph
Barometer 30.00 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 24 Jun 7:15 pm CDT
Extended Forecast for

4 Miles NW Altamont IL

Flood Watch June 25, 01:00pm until June 26, 07:00am
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 82. Light and variable wind. Chance of precipitation is 60%.

    High: 82 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 66. Light and variable wind. Chance of precipitation is 80%.

    Low: 66 °F

    Chance
    T-storms then
    Heavy Rain

  • Friday

    Friday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 79. Southeast wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 90%.

    High: 79 °F

    Heavy Rain

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.

    Low: 67 °F

    Showers
    Likely

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.

    High: 84 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms before 1pm. Sunny, with a high near 91.

    High: 91 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Thursday
Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 82. Light and variable wind. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 66. Light and variable wind. Chance of precipitation is 80%.
Friday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 79. Southeast wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 90%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Sunday
A 20 percent chance of showers and thunderstorms before 1pm. Sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 73.
Monday
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Altamont IL
 39.11°N 88.81°W (Elev. 600 ft)
Last Update:
5:41 pm CDT Jun 24, 2026
Forecast Valid:
7pm CDT Jun 24, 2026-6pm CDT Jul 1, 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