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.

Overcast

73°F

23°C

Humidity 100%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 73°F (23°C)
Visibility 7.00 mi
Last update 15 Jul 1:35 am CDT
Extended Forecast for

5 Miles S Altamont IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after 4pm. Partly sunny, with a high near 84. Calm wind becoming south southeast around 6 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly before 7pm. Mostly cloudy, with a low around 70. Light south wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 89 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 72. Light southwest wind.

    Low: 72 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. West southwest wind 5 to 7 mph.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 69. West southwest wind around 5 mph becoming calm in the evening.

    Low: 69 °F

    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85.

    High: 85 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 70. Calm wind.
Tuesday
Showers and thunderstorms likely, mainly after 4pm. Partly sunny, with a high near 84. Calm wind becoming south southeast around 6 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and thunderstorms likely, mainly before 7pm. Mostly cloudy, with a low around 70. Light south wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Calm wind becoming southwest 5 to 7 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 72. Light southwest wind.
Thursday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. West southwest wind 5 to 7 mph.
Thursday Night
A 50 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 69. West southwest wind around 5 mph becoming calm in the evening.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 71.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Altamont IL
 38.97°N 88.73°W (Elev. 571 ft)
Last Update:
1:40 am CDT Jul 15, 2025
Forecast Valid:
1am CDT Jul 15, 2025-6pm CDT Jul 21, 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