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.

Fair

58°F

14°C

Humidity 100%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 25 Aug 2:55 am CDT
Extended Forecast for

Watson IL

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, sunny, with a high near 83. Calm wind becoming east southeast around 5 mph.

    High: 83 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 65. Calm wind. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 85. Calm wind becoming north northwest 5 to 7 mph in the morning.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63. North wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly clear, with a low around 57. Calm wind.
Tuesday
Patchy fog before 8am. Otherwise, sunny, with a high near 83. Calm wind becoming east southeast around 5 mph.
Tuesday Night
Partly cloudy, with a low around 62. Calm wind.
Wednesday
Mostly sunny, with a high near 87. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Wednesday Night
A chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 65. Calm wind. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 85. Calm wind becoming north northwest 5 to 7 mph in the morning.
Thursday Night
Mostly clear, with a low around 63. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
Sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 71.
Monday
Mostly sunny, with a high near 92.
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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:
1:26 am CDT Aug 25, 2026
Forecast Valid:
3am CDT Aug 25, 2026-6pm CDT Aug 31, 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