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

73°F

23°C

Humidity 100%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 73°F (23°C)
Visibility 7.00 mi
Last update 18 Aug 5:15 am CDT
Extended Forecast for

2 Miles NE Montrose IL

Heat Advisory August 18, 05:33am until August 18, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 18, 05:33am until August 18, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • Today

    High: 92 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 4am. Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. Heat index values as high as 101. Calm wind becoming west southwest around 6 mph in the morning.

    High: 90 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86. North northeast wind 5 to 9 mph.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64. North northeast wind 6 to 8 mph.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85. North northeast wind 6 to 8 mph.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Today
Mostly sunny, with a high near 92. Heat index values as high as 101. Calm wind becoming south southeast around 5 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 4am. Mostly clear, with a low around 73. Calm wind.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. Heat index values as high as 101. Calm wind becoming west southwest around 6 mph in the morning.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. Calm wind.
Wednesday
Mostly sunny, with a high near 86. North northeast wind 5 to 9 mph.
Wednesday Night
Mostly clear, with a low around 64. North northeast wind 6 to 8 mph.
Thursday
Sunny, with a high near 85. North northeast wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Montrose IL
 39.2°N 88.35°W (Elev. 551 ft)
Last Update:
5:10 am CDT Aug 18, 2025
Forecast Valid:
5am CDT Aug 18, 2025-6pm CDT Aug 24, 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