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.

Mostly Cloudy

74°F

23°C

Humidity 99%
Wind Speed S 3 mph
Barometer 29.92 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Last update 27 Jun 4:55 pm CDT
Extended Forecast for

3 Miles N Watson IL

Heat Advisory June 28, 01:00pm until June 28, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Southwest wind around 5 mph.

    High: 81 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 1am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 70. Light south wind.

    Low: 70 °F

    Chance
    T-storms and
    Patchy Fog

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms before 8am. Patchy fog before 8am. Otherwise, partly sunny, with a high near 90. Heat index values as high as 103. Calm wind becoming south 5 to 8 mph in the morning.

    High: 90 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. South wind 3 to 6 mph.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 92. South wind 5 to 9 mph, with gusts as high as 16 mph.

    High: 92 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. South wind 5 to 7 mph.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93. South southwest wind 3 to 7 mph.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 73.

    Low: 73 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Southwest wind around 5 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 1am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 70. Light south wind.
Sunday
A 20 percent chance of showers and thunderstorms before 8am. Patchy fog before 8am. Otherwise, partly sunny, with a high near 90. Heat index values as high as 103. Calm wind becoming south 5 to 8 mph in the morning.
Sunday Night
Mostly clear, with a low around 73. South wind 3 to 6 mph.
Monday
Mostly sunny, with a high near 92. South wind 5 to 9 mph, with gusts as high as 16 mph.
Monday Night
Mostly clear, with a low around 73. South wind 5 to 7 mph.
Tuesday
Sunny, with a high near 93. South southwest wind 3 to 7 mph.
Tuesday Night
Clear, with a low around 73.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
Sunny, with a high near 91.
Thursday Night
Mostly clear, with a low around 73.
Friday
Sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 72.
Independence Day
A chance of showers and thunderstorms. Sunny, with a high near 89.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Watson IL
 39.05°N 88.56°W (Elev. 551 ft)
Last Update:
1:26 pm CDT Jun 27, 2026
Forecast Valid:
5pm CDT Jun 27, 2026-6pm CDT Jul 4, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation