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.

Partly Cloudy

64°F

18°C

Humidity 99%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 21 Jun 12:35 am CDT
Extended Forecast for

2 Miles ENE Herrick IL

Flood Watch June 21, 07:00am until June 22, 01:00am
Click here for hazard details and duration
Flood Watch

  • Overnight

    Overnight: Mostly cloudy, with a low around 62. Light east wind.

    Low: 62 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers and possibly a thunderstorm, mainly before 5pm, then showers and thunderstorms likely after 5pm. High near 81. East southeast wind 6 to 14 mph becoming south southwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 81 °F

    Partly Sunny
    then T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms before 1am, then a chance of showers. Low around 63. Southwest wind 6 to 11 mph becoming west northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 63 °F

    T-storms then
    Chance
    Showers

  • Monday

    Monday: Mostly cloudy, with a high near 74. North wind 9 to 11 mph, with gusts as high as 17 mph.

    High: 74 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56. North northeast wind 3 to 8 mph.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 77. Light north northeast wind.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 62. Light east wind.
Sunday
Showers and possibly a thunderstorm, mainly before 5pm, then showers and thunderstorms likely after 5pm. High near 81. East southeast wind 6 to 14 mph becoming south southwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Showers and thunderstorms before 1am, then a chance of showers. Low around 63. Southwest wind 6 to 11 mph becoming west northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Mostly cloudy, with a high near 74. North wind 9 to 11 mph, with gusts as high as 17 mph.
Monday Night
Partly cloudy, with a low around 56. North northeast wind 3 to 8 mph.
Tuesday
Sunny, with a high near 77. Light north northeast wind.
Tuesday Night
Mostly clear, with a low around 58. Calm wind.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 81.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Herrick IL
 39.24°N 88.95°W (Elev. 564 ft)
Last Update:
11:31 pm CDT Jun 20, 2026
Forecast Valid:
12am CDT Jun 21, 2026-6pm CDT Jun 27, 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