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.

Fair

69°F

21°C

Humidity 76%
Wind Speed W 6 mph
Barometer 30.01 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 19 Jun 8:35 pm CDT
Extended Forecast for

5 Miles ENE Martinsville IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 63. Light and variable wind.

    Low: 63 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82. West northwest wind 3 to 7 mph.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 63. West northwest wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of showers between 7am and 1pm, then showers and thunderstorms after 1pm. High near 80. Southeast wind 5 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 80 °F

    Chance
    Showers then
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm after 1am. Low around 65. South wind 14 to 16 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 65 °F

    T-storms

  • Monday

    Monday: Mostly cloudy, with a high near 76. North wind around 13 mph, with gusts as high as 21 mph.

    High: 76 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57. North wind 6 to 13 mph, with gusts as high as 18 mph.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 63. Light and variable wind.
Saturday
Mostly sunny, with a high near 82. West northwest wind 3 to 7 mph.
Saturday Night
Increasing clouds, with a low around 63. West northwest wind around 5 mph becoming calm in the evening.
Sunday
A chance of showers between 7am and 1pm, then showers and thunderstorms after 1pm. High near 80. Southeast wind 5 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Sunday Night
Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm after 1am. Low around 65. South wind 14 to 16 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Monday
Mostly cloudy, with a high near 76. North wind around 13 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 57. North wind 6 to 13 mph, with gusts as high as 18 mph.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
A chance of showers. Partly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Martinsville IL
 39.36°N 87.8°W (Elev. 610 ft)
Last Update:
7:51 pm CDT Jun 19, 2026
Forecast Valid:
8pm CDT Jun 19, 2026-6pm CDT Jun 26, 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