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

26°F

-3°C

Humidity 75%
Wind Speed S 6 mph
Barometer 30.36 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 12 Jan 7:15 am CST
Extended Forecast for

Watson IL

  • Today

    Today: Sunny, with a high near 49. Southwest wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 49 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 33. South southwest wind 6 to 8 mph, with gusts as high as 15 mph.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 57. Southwest wind 9 to 16 mph, with gusts as high as 25 mph.

    High: 57 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 37. Southwest wind 8 to 10 mph becoming west northwest after midnight. Winds could gust as high as 17 mph.

    Low: 37 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain showers after noon, mixing with snow after 3pm. Mostly cloudy, with a temperature falling to around 32 by 5pm. Northwest wind 9 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 40 °F⇓

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 16. North northwest wind 14 to 17 mph, with gusts as high as 29 mph.

    Low: 16 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 28. North northwest wind 6 to 14 mph, with gusts as high as 20 mph.

    High: 28 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 49. Southwest wind 7 to 13 mph, with gusts as high as 21 mph.
Tonight
Mostly clear, with a low around 33. South southwest wind 6 to 8 mph, with gusts as high as 15 mph.
Tuesday
Increasing clouds, with a high near 57. Southwest wind 9 to 16 mph, with gusts as high as 25 mph.
Tuesday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 37. Southwest wind 8 to 10 mph becoming west northwest after midnight. Winds could gust as high as 17 mph.
Wednesday
A chance of rain showers after noon, mixing with snow after 3pm. Mostly cloudy, with a temperature falling to around 32 by 5pm. Northwest wind 9 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 16. North northwest wind 14 to 17 mph, with gusts as high as 29 mph.
Thursday
Mostly sunny, with a high near 28. North northwest wind 6 to 14 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 21.
Friday
Mostly cloudy, with a high near 39.
Friday Night
Mostly cloudy, with a low around 19.
Saturday
Partly sunny, with a high near 27.
Saturday Night
Mostly cloudy, with a low around 9.
Sunday
Mostly sunny, with a high near 23.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Watson IL
 39.03°N 88.56°W (Elev. 551 ft)
Last Update:
5:52 am CST Jan 12, 2026
Forecast Valid:
7am CST Jan 12, 2026-6pm CST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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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