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

43°F

6°C

Humidity 84%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 16 Feb 8:15 pm CST
Extended Forecast for

3 Miles W Marshall IL

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 38. South wind around 7 mph, with gusts as high as 15 mph.

    Low: 38 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 58. South wind 6 to 15 mph, with gusts as high as 26 mph.

    High: 58 °F

    Patchy Fog
    then Cloudy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 53. Breezy, with a south wind 14 to 20 mph, with gusts as high as 33 mph.

    Low: 53 °F

    Cloudy then
    Chance Rain
    and Breezy

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 69. Breezy, with a west southwest wind 15 to 20 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 69 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46. Southwest wind around 7 mph becoming south southeast after midnight.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Rain likely after noon. Partly sunny, with a high near 67. South wind 6 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 67 °F

    Partly Sunny
    then Rain
    Likely

  • Thursday Night

    Thursday Night: Rain likely before midnight. Partly cloudy, with a low around 38. West southwest wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Rain Likely
    then Mostly
    Clear

  • Friday

    Friday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 38. South wind around 7 mph, with gusts as high as 15 mph.
Tuesday
Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 58. South wind 6 to 15 mph, with gusts as high as 26 mph.
Tuesday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 53. Breezy, with a south wind 14 to 20 mph, with gusts as high as 33 mph.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 69. Breezy, with a west southwest wind 15 to 20 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 32 mph.
Wednesday Night
Partly cloudy, with a low around 46. Southwest wind around 7 mph becoming south southeast after midnight.
Thursday
Rain likely after noon. Partly sunny, with a high near 67. South wind 6 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain likely before midnight. Partly cloudy, with a low around 38. West southwest wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Mostly sunny, with a high near 50.
Friday Night
Mostly cloudy, with a low around 30.
Saturday
Partly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 39.
Sunday Night
Partly cloudy, with a low around 19.
Monday
Mostly sunny, with a high near 38.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Marshall IL
 39.4°N 87.76°W (Elev. 610 ft)
Last Update:
7:52 pm CST Feb 16, 2026
Forecast Valid:
8pm CST Feb 16, 2026-6pm CST Feb 23, 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