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

Hazardous Weather Conditions

Current conditions at

Edgar County Airport (KPRG)

Lat: 39.7°NLon: 87.67°WElev: 650ft.

Light Rain

64°F

18°C

Humidity 68%
Wind Speed SW 14 mph
Barometer 29.92 in
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 12 May 11:35 pm CDT
Extended Forecast for

Marshall IL

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 2am. Mostly cloudy early, then gradual clearing, with a low around 57. Southwest wind 8 to 10 mph becoming west northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 50%.

    Low: 57 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Increasing clouds, with a high near 69. Northwest wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 69 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43. North wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 20 mph.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70. North wind around 5 mph becoming calm in the afternoon.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 50. Calm wind becoming south southeast 5 to 8 mph after midnight. Winds could gust as high as 16 mph.

    Low: 50 °F

    Increasing
    Clouds

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 76. South wind 11 to 17 mph, with gusts as high as 26 mph.

    High: 76 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62. South wind around 8 mph, with gusts as high as 18 mph.

    Low: 62 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.

    Low: 64 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 2am. Mostly cloudy early, then gradual clearing, with a low around 57. Southwest wind 8 to 10 mph becoming west northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 50%.
Wednesday
Increasing clouds, with a high near 69. Northwest wind 10 to 15 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly clear, with a low around 43. North wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 70. North wind around 5 mph becoming calm in the afternoon.
Thursday Night
Increasing clouds, with a low around 50. Calm wind becoming south southeast 5 to 8 mph after midnight. Winds could gust as high as 16 mph.
Friday
A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 76. South wind 11 to 17 mph, with gusts as high as 26 mph.
Friday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62. South wind around 8 mph, with gusts as high as 18 mph.
Saturday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
A chance of showers. Partly cloudy, with a low around 68.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 88. Breezy.
Monday Night
Showers likely. Mostly cloudy, with a low around 68.
Tuesday
Showers likely. Mostly cloudy, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marshall IL
 39.4°N 87.71°W (Elev. 610 ft)
Last Update:
11:41 pm CDT May 12, 2026
Forecast Valid:
11pm CDT May 12, 2026-6pm CDT May 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation