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

59°F

15°C

Humidity 90%
Wind Speed W 14 mph
Barometer 29.76 in
Dewpoint 56°F (13°C)
Visibility 7.00 mi
Last update 4 Nov 1:35 pm CST
Extended Forecast for

Westville IL

  • This Afternoon

    This Afternoon: A slight chance of drizzle. Mostly cloudy, with a high near 65. West southwest wind 10 to 14 mph, with gusts as high as 20 mph.

    High: 65 °F

    Slight Chance
    Drizzle

  • Tonight

    Tonight: Patchy drizzle before 10pm. Mostly cloudy, with a low around 47. West southwest wind 6 to 8 mph, with gusts as high as 16 mph.

    Low: 47 °F

    Patchy
    Drizzle then
    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain after 5pm. Partly sunny, with a high near 59. Southwest wind 7 to 14 mph, with gusts as high as 21 mph.

    High: 59 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 41. Light and variable wind becoming north 5 to 8 mph after midnight.

    Low: 41 °F

    Mostly Cloudy

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a high near 52. North northwest wind 7 to 11 mph, with gusts as high as 18 mph.

    High: 52 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 32. North northwest wind 3 to 6 mph.

    Low: 32 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 53. Northwest wind around 6 mph becoming calm in the afternoon.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of drizzle. Mostly cloudy, with a high near 65. West southwest wind 10 to 14 mph, with gusts as high as 20 mph.
Tonight
Patchy drizzle before 10pm. Mostly cloudy, with a low around 47. West southwest wind 6 to 8 mph, with gusts as high as 16 mph.
Thursday
A 20 percent chance of rain after 5pm. Partly sunny, with a high near 59. Southwest wind 7 to 14 mph, with gusts as high as 21 mph.
Thursday Night
Mostly cloudy, with a low around 41. Light and variable wind becoming north 5 to 8 mph after midnight.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 52. North northwest wind 7 to 11 mph, with gusts as high as 18 mph.
Friday Night
Mostly clear, with a low around 32. North northwest wind 3 to 6 mph.
Saturday
Sunny, with a high near 53. Northwest wind around 6 mph becoming calm in the afternoon.
Saturday Night
Mostly clear, with a low around 29.
Sunday
Sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 32.
Monday
Sunny, with a high near 63.
Monday Night
Clear, with a low around 37.
Tuesday
Sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westville IL
 40.03°N 87.63°W (Elev. 656 ft)
Last Update:
1:21 pm CST Nov 4, 2026
Forecast Valid:
1pm CST Nov 4, 2026-6pm CST Nov 10, 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