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

71°F

22°C

Humidity 86%
Wind Speed S 17 G 28 mph
Barometer 29.77 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 11 Mar 12:35 am CDT
Extended Forecast for

5 Miles SE Altamont IL

  • Overnight

    Overnight: A chance of rain and thunderstorms, then showers and possibly a thunderstorm after 3am. Steady temperature around 66. South southwest wind around 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Showers

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm before 3pm, then a chance of rain between 3pm and 4pm. Temperature rising to near 65 by 10am, then falling to around 49 during the remainder of the day. Breezy, with a southwest wind 17 to 21 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 65 °F⇓

    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Cloudy during the early evening, then gradual clearing, with a low around 30. Blustery, with a north northwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 30 mph.

    Low: 30 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Thursday

    Thursday: Increasing clouds, with a high near 51. Northwest wind 5 to 8 mph becoming southwest in the afternoon.

    High: 51 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 40. Breezy, with a south wind 7 to 12 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 31 mph.

    Low: 40 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Friday

    Friday: Partly sunny, with a high near 58. Breezy, with a southwest wind 13 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 29 mph.

    High: 58 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 35. Northwest wind around 6 mph becoming east after midnight.

    Low: 35 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of rain and thunderstorms, then showers and possibly a thunderstorm after 3am. Steady temperature around 66. South southwest wind around 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Rain and possibly a thunderstorm before 3pm, then a chance of rain between 3pm and 4pm. Temperature rising to near 65 by 10am, then falling to around 49 during the remainder of the day. Breezy, with a southwest wind 17 to 21 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Cloudy during the early evening, then gradual clearing, with a low around 30. Blustery, with a north northwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 30 mph.
Thursday
Increasing clouds, with a high near 51. Northwest wind 5 to 8 mph becoming southwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 40. Breezy, with a south wind 7 to 12 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 31 mph.
Friday
Partly sunny, with a high near 58. Breezy, with a southwest wind 13 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 29 mph.
Friday Night
Mostly cloudy, with a low around 35. Northwest wind around 6 mph becoming east after midnight.
Saturday
Partly sunny, with a high near 61.
Saturday Night
Mostly cloudy, with a low around 48.
Sunday
Rain. High near 62. Breezy. Chance of precipitation is 80%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 20. Blustery.
Monday
Mostly sunny, with a high near 31.
Monday Night
Partly cloudy, with a low around 15.
Tuesday
Mostly sunny, with a high near 39.
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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:
10:46 pm CDT Mar 10, 2026
Forecast Valid:
12am CDT Mar 11, 2026-6pm CDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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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