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.

Partly Cloudy

81°F

27°C

Humidity 59%
Wind Speed SE 8 mph
Barometer 30.04 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 24 Jun 4:35 pm CDT
Extended Forecast for

2 Miles NE Altamont IL

Flood Watch June 25, 04:00pm until June 27, 01:00pm
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 65. South southwest wind around 6 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 83. West wind 3 to 5 mph. Chance of precipitation is 50%.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 66. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    Low: 66 °F

    Chance
    T-storms then
    Heavy Rain

  • Friday

    Friday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 79. Southeast wind 6 to 8 mph becoming south southwest in the afternoon. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 79 °F

    Heavy Rain

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Southwest wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 66 °F

    Showers
    Likely

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. Southwest wind 3 to 6 mph.

    High: 83 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. South wind 3 to 6 mph.

    Low: 70 °F

    Chance
    T-storms

  • Sunday

    Sunday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 65. South southwest wind around 6 mph becoming calm in the evening.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 83. West wind 3 to 5 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 66. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Friday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 79. Southeast wind 6 to 8 mph becoming south southwest in the afternoon. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Southwest wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. Southwest wind 3 to 6 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. South wind 3 to 6 mph.
Sunday
Sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 73.
Monday
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Altamont IL
 39.08°N 88.73°W (Elev. 610 ft)
Last Update:
4:36 pm CDT Jun 24, 2026
Forecast Valid:
4pm CDT Jun 24, 2026-6pm CDT Jul 1, 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