Hazardous Weather Conditions

Current conditions at

Effingham, Effingham County Memorial Airport (K1H2)

Lat: 39.07°NLon: 88.53°WElev: 587ft.

Fair

53°F

12°C

Humidity 69%
Wind Speed Calm
Barometer 29.69 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 18 Feb 6:55 pm CST
Extended Forecast for

Altamont IL

  • Tonight

    Tonight: Increasing clouds, with a low around 47. Calm wind becoming south around 6 mph after midnight.

    Low: 47 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A chance of rain before noon, then rain likely and possibly a thunderstorm between noon and 2pm, then a chance of rain and thunderstorms after 2pm.  Mostly cloudy, with a high near 65. South wind 6 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before midnight.  Mostly clear, with a low around 36. Southwest wind 9 to 18 mph, with gusts as high as 28 mph.

    Low: 36 °F

    Slight Chance
    Rain then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 47. Breezy, with a west wind 16 to 21 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 47 °F

    Sunny and
    Breezy then
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 28. North northwest wind around 6 mph.

    Low: 28 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 42. Northwest wind 6 to 10 mph, with gusts as high as 15 mph.

    High: 42 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 23. Northwest wind 7 to 14 mph, with gusts as high as 22 mph.

    Low: 23 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 47. Calm wind becoming south around 6 mph after midnight.
Thursday
A chance of rain before noon, then rain likely and possibly a thunderstorm between noon and 2pm, then a chance of rain and thunderstorms after 2pm. Mostly cloudy, with a high near 65. South wind 6 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 20 percent chance of rain before midnight. Mostly clear, with a low around 36. Southwest wind 9 to 18 mph, with gusts as high as 28 mph.
Friday
Sunny, with a high near 47. Breezy, with a west wind 16 to 21 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 29 mph.
Friday Night
Partly cloudy, with a low around 28. North northwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 42. Northwest wind 6 to 10 mph, with gusts as high as 15 mph.
Saturday Night
Mostly clear, with a low around 23. Northwest wind 7 to 14 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, with a high near 35.
Sunday Night
Partly cloudy, with a low around 19.
Monday
Sunny, with a high near 35.
Monday Night
Mostly clear, with a low around 18.
Tuesday
Mostly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
A chance of rain. Partly sunny, with a high near 51.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Altamont IL
 39.06°N 88.73°W (Elev. 600 ft)
6:36 pm CST Feb 18, 2026
7pm CST Feb 18, 2026-6pm CST Feb 25, 2026
 
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