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.

Fair

65°F

18°C

Humidity 48%
Wind Speed S 12 mph
Barometer 30.16 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 10 Apr 12:35 am CDT
Extended Forecast for

4 Miles ENE Altamont IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 57. South wind around 11 mph, with gusts as high as 21 mph.

    Low: 57 °F

    Mostly Cloudy

  • Friday

    Friday: Showers and thunderstorms likely before 4pm, then a slight chance of showers between 4pm and 5pm. Mostly cloudy, with a high near 68. Southwest wind 9 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: A slight chance of showers between 7pm and 8pm. Mostly cloudy, with a low around 44. Northeast wind around 6 mph. Chance of precipitation is 20%.

    Low: 44 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 68. East northeast wind 6 to 8 mph.

    High: 68 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 57. Southeast wind 6 to 8 mph, with gusts as high as 16 mph.

    Low: 57 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 78. Breezy, with a south southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 78 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Sunday Night

    Sunday Night: Showers likely after 1am. Mostly cloudy, with a low around 62. South southwest wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 62 °F

    Mostly Cloudy
    then Showers
    Likely

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.

    High: 79 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 57. South wind around 11 mph, with gusts as high as 21 mph.
Friday
Showers and thunderstorms likely before 4pm, then a slight chance of showers between 4pm and 5pm. Mostly cloudy, with a high near 68. Southwest wind 9 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A slight chance of showers between 7pm and 8pm. Mostly cloudy, with a low around 44. Northeast wind around 6 mph. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 68. East northeast wind 6 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 57. Southeast wind 6 to 8 mph, with gusts as high as 16 mph.
Sunday
Partly sunny, with a high near 78. Breezy, with a south southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.
Sunday Night
Showers likely after 1am. Mostly cloudy, with a low around 62. South southwest wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 66.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Wednesday
A chance of showers. Mostly cloudy, with a high near 80.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 56.
Thursday
A chance of showers. Partly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Altamont IL
 39.08°N 88.67°W (Elev. 577 ft)
Last Update:
12:36 am CDT Apr 10, 2026
Forecast Valid:
12am CDT Apr 10, 2026-6pm CDT Apr 16, 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