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

70°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 30.10 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 7 Aug 3:55 am CDT
Extended Forecast for

3 Miles NNW Watson IL

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms. Patchy fog. Otherwise, cloudy, with a low around 68. Light east wind.

    Low: 68 °F

    Chance
    T-storms and
    Patchy Fog

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly before 2pm. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 86. South wind 3 to 8 mph.

    High: 86 °F

    Chance
    T-storms and
    Patchy Fog

  • Friday Night

    Friday Night: Partly cloudy, with a low around 69. South southwest wind 3 to 6 mph. Winds could gust as high as 15 mph.

    Low: 69 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 87. West southwest wind around 6 mph.

    High: 87 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 88. Light south southeast wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 15 mph.

    High: 88 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. South wind around 7 mph.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms. Patchy fog. Otherwise, cloudy, with a low around 68. Light east wind.
Friday
A 30 percent chance of showers and thunderstorms, mainly before 2pm. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 86. South wind 3 to 8 mph.
Friday Night
Partly cloudy, with a low around 69. South southwest wind 3 to 6 mph. Winds could gust as high as 15 mph.
Saturday
Mostly sunny, with a high near 87. West southwest wind around 6 mph.
Saturday Night
Mostly clear, with a low around 68. Calm wind.
Sunday
Mostly sunny, with a high near 88. Light south southeast wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 15 mph.
Sunday Night
Mostly clear, with a low around 73. South wind around 7 mph.
Monday
Sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 71.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 68.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Watson IL
 39.08°N 88.59°W (Elev. 502 ft)
Last Update:
3:29 am CDT Aug 7, 2026
Forecast Valid:
4am CDT Aug 7, 2026-6pm CDT Aug 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation