Hazardous Weather Conditions

Current conditions at

Effingham, Effingham County Memorial Airport (K1H2)

Lat: 39.07°NLon: 88.53°WElev: 587ft.

Overcast

68°F

20°C

Humidity 100%
Wind Speed W 5 mph
Barometer 29.67 in
Dewpoint 68°F (20°C)
Visibility 7.00 mi
Last update 1 Aug 9:15 pm CDT
Extended Forecast for

4 Miles ENE Altamont IL

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm.  Cloudy, with a low around 65. Light northwest wind becoming north 8 to 13 mph after midnight. Winds could gust as high as 17 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm.  Cloudy, then gradually becoming mostly sunny, with a high near 78. North wind around 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 40%.

    High: 78 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 63. North wind 5 to 11 mph, with gusts as high as 18 mph.

    Low: 63 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 81. North northeast wind 5 to 7 mph.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Calm wind.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy
    then Chance
    T-storms

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm. Cloudy, with a low around 65. Light northwest wind becoming north 8 to 13 mph after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 78. North wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 63. North wind 5 to 11 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 81. North northeast wind 5 to 7 mph.
Monday Night
Mostly clear, with a low around 63. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 82. Calm wind.
Tuesday Night
Mostly clear, with a low around 64. Calm wind.
Wednesday
Sunny, with a high near 84.
Wednesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66.
Thursday
A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 83.
Thursday Night
Partly cloudy, with a low around 68.
Friday
A chance of showers. Mostly sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 69.
Saturday
Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Altamont IL
 39.08°N 88.67°W (Elev. 577 ft)
8:36 pm CDT Aug 1, 2026
9pm CDT Aug 1, 2026-6pm CDT Aug 8, 2026
 
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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