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.

Overcast

74°F

23°C

Humidity 98%
Wind Speed SE 7 mph
Barometer 30.13 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 15 Aug 10:35 am CDT
Extended Forecast for

Brocton IL

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly before noon. Mostly cloudy, with a high near 84. South southwest wind around 7 mph.

    High: 84 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 73. South southwest wind 3 to 6 mph.

    Low: 73 °F

    Partly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Partly sunny, with a high near 87. West wind 6 to 9 mph, with gusts as high as 15 mph.

    High: 87 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 69. Northwest wind 3 to 7 mph.

    Low: 69 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 84. North wind 5 to 7 mph.

    High: 84 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63. North wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 85. Light and variable wind.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers after 1am. Partly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Clear
    then Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    T-storms

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly before noon. Mostly cloudy, with a high near 84. South southwest wind around 7 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 73. South southwest wind 3 to 6 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Partly sunny, with a high near 87. West wind 6 to 9 mph, with gusts as high as 15 mph.
Sunday Night
Partly cloudy, with a low around 69. Northwest wind 3 to 7 mph.
Monday
Mostly sunny, with a high near 84. North wind 5 to 7 mph.
Monday Night
Partly cloudy, with a low around 63. North wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 85. Light and variable wind.
Tuesday Night
A 40 percent chance of showers after 1am. Partly cloudy, with a low around 68.
Wednesday
A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86.
Wednesday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 63.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Brocton IL
 39.72°N 87.94°W (Elev. 659 ft)
Last Update:
10:36 am CDT Aug 15, 2026
Forecast Valid:
10am CDT Aug 15, 2026-6pm CDT Aug 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation