National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Edgar County Airport (KPRG)

Lat: 39.7°NLon: 87.67°WElev: 650ft.

Partly Cloudy

69°F

21°C

Humidity 72%
Wind Speed N 5 mph
Barometer 30.02 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 23 Aug 7:35 pm CDT
Extended Forecast for

5 Miles ENE Martinsville IL

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly clear, with a low around 57. North northwest wind around 6 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 81. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 81 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. Light east northeast wind.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 83 °F

    Sunny

  • Tuesday Night

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

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87. South southwest wind 3 to 8 mph.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 66. South southwest wind around 5 mph becoming light and variable.

    Low: 66 °F

    Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 57. North northwest wind around 6 mph becoming calm in the evening.
Monday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 81. Calm wind becoming north northwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 58. Light east northeast wind.
Tuesday
Sunny, with a high near 83. Calm wind becoming east southeast around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 62. Light southeast wind.
Wednesday
Mostly sunny, with a high near 87. South southwest wind 3 to 8 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 66. South southwest wind around 5 mph becoming light and variable.
Thursday
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
Partly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Martinsville IL
 39.36°N 87.8°W (Elev. 610 ft)
Last Update:
7:36 pm CDT Aug 23, 2026
Forecast Valid:
7pm CDT Aug 23, 2026-6pm CDT Aug 30, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation