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.

Overcast

22°F

-6°C

Humidity 87%
Wind Speed S 3 mph
Barometer 30.13 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 2 Dec 5:35 pm CST
Extended Forecast for

Watson IL

  • Tonight

    Tonight: Patchy fog after 9pm. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 16. Calm wind becoming south around 6 mph after midnight.

    Low: 16 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 37. South wind 5 to 9 mph.

    High: 37 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Isolated snow showers after midnight. Cloudy, with a low around 13. Wind chill values between 4 and 9. Light and variable wind becoming north northwest 5 to 10 mph in the evening. Winds could gust as high as 16 mph. Chance of precipitation is 20%.

    Low: 13 °F

    Cloudy then
    Isolated Snow
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 20. Wind chill values between 2 and 12. North wind 5 to 9 mph becoming light in the afternoon. Winds could gust as high as 15 mph.

    High: 20 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 7. Calm wind.

    Low: 7 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 33. Calm wind becoming south southwest around 6 mph.

    High: 33 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 18. Calm wind.

    Low: 18 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Saturday Night

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

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 9pm. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 16. Calm wind becoming south around 6 mph after midnight.
Wednesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 37. South wind 5 to 9 mph.
Wednesday Night
Isolated snow showers after midnight. Cloudy, with a low around 13. Wind chill values between 4 and 9. Light and variable wind becoming north northwest 5 to 10 mph in the evening. Winds could gust as high as 16 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 20. Wind chill values between 2 and 12. North wind 5 to 9 mph becoming light in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
Partly cloudy, with a low around 7. Calm wind.
Friday
Mostly sunny, with a high near 33. Calm wind becoming south southwest around 6 mph.
Friday Night
Mostly cloudy, with a low around 18. Calm wind.
Saturday
Partly sunny, with a high near 34.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
Mostly cloudy, with a high near 32.
Sunday Night
Mostly cloudy, with a low around 15.
Monday
Partly sunny, with a high near 31.
Monday Night
Mostly cloudy, with a low around 20.
Tuesday
Partly sunny, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Watson IL
 39.03°N 88.56°W (Elev. 551 ft)
Last Update:
3:16 pm CST Dec 2, 2025
Forecast Valid:
5pm CST Dec 2, 2025-6pm CST Dec 9, 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