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

75°F

24°C

Humidity 88%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 15 Jun 7:35 pm CDT
Extended Forecast for

5 Miles SSE Altamont IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 69. North northeast wind around 5 mph becoming calm in the evening.

    Low: 69 °F

    Mostly Cloudy

  • Monday

    Monday: Scattered showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 82. Calm wind becoming south southeast 5 to 7 mph in the morning. Chance of precipitation is 50%.

    High: 82 °F

    Scattered
    Showers then
    Scattered
    T-storms

  • Monday Night

    Monday Night: Isolated showers and thunderstorms before 10pm. Mostly cloudy, with a low around 66. South southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 66 °F

    Isolated
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71. South wind 5 to 7 mph.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 85. Southwest wind 9 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 85 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 1am. Mostly cloudy, with a low around 68. South southwest wind 6 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °F

    T-storms
    Likely

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 69. North northeast wind around 5 mph becoming calm in the evening.
Monday
Scattered showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 82. Calm wind becoming south southeast 5 to 7 mph in the morning. Chance of precipitation is 50%.
Monday Night
Isolated showers and thunderstorms before 10pm. Mostly cloudy, with a low around 66. South southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 87. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 71. South wind 5 to 7 mph.
Wednesday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 85. Southwest wind 9 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and thunderstorms likely before 1am. Mostly cloudy, with a low around 68. South southwest wind 6 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Juneteenth
Mostly sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 70.
Saturday
Sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 73.
Sunday
Sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Altamont IL
 38.99°N 88.7°W (Elev. 574 ft)
Last Update:
6:56 pm CDT Jun 15, 2025
Forecast Valid:
7pm CDT Jun 15, 2025-6pm CDT Jun 22, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation