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

32°F

0°C

Humidity 74%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 17 Nov 3:15 am CST
Extended Forecast for

5 Miles SE Altamont IL

  • Overnight

    Overnight: Mostly clear, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 56. Calm wind becoming southeast 5 to 7 mph in the morning.

    High: 56 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Rain and thunderstorms likely before midnight, then rain and possibly a thunderstorm between midnight and 5am, then a chance of rain and thunderstorms after 5am. Low around 44. Southeast wind 6 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Rain Likely
    then Rain

  • Tuesday

    Tuesday: A 50 percent chance of rain. Mostly cloudy, with a high near 64. Southeast wind 6 to 8 mph becoming west northwest in the afternoon. Winds could gust as high as 15 mph.

    High: 64 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 43. North northeast wind 3 to 6 mph.

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 57. Light and variable wind.

    High: 57 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 43. Light and variable wind.

    Low: 43 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain. High near 62. Chance of precipitation is 80%.

    High: 62 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 53. Chance of precipitation is 80%.

    Low: 53 °F

    Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 31. Calm wind.
Monday
Mostly sunny, with a high near 56. Calm wind becoming southeast 5 to 7 mph in the morning.
Monday Night
Rain and thunderstorms likely before midnight, then rain and possibly a thunderstorm between midnight and 5am, then a chance of rain and thunderstorms after 5am. Low around 44. Southeast wind 6 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 64. Southeast wind 6 to 8 mph becoming west northwest in the afternoon. Winds could gust as high as 15 mph.
Tuesday Night
Mostly cloudy, with a low around 43. North northeast wind 3 to 6 mph.
Wednesday
Mostly cloudy, with a high near 57. Light and variable wind.
Wednesday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 43. Light and variable wind.
Thursday
Rain. High near 62. Chance of precipitation is 80%.
Thursday Night
Rain. Low around 53. Chance of precipitation is 80%.
Friday
Rain likely, mainly before noon. Mostly cloudy, with a high near 63. Chance of precipitation is 70%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 42.
Saturday
Partly sunny, with a high near 54.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
Mostly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Altamont IL
 39.01°N 88.67°W (Elev. 551 ft)
Last Update:
2:36 am CST Nov 17, 2025
Forecast Valid:
3am CST Nov 17, 2025-6pm CST Nov 23, 2025
 
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