Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Thunderstorm

76°F

24°C

Humidity 79%
Wind Speed S 18 G 25 mph
Barometer 29.34 in (993.1 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 17 Jun 5:53 pm CDT
Extended Forecast for

Greenup IL

Tornado Watch June 17, 08:13pm until June 17, 10:00pm
Severe T-storm Warning until June 17, 08:45pm
Tornado Warning June 17, 08:13pm until June 17, 08:30pm
Click here for hazard details and duration
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    Tornado Watch June 17, 08:13pm until June 17, 10:00pm
    Severe T-storm Warning until June 17, 08:45pm
    Tornado Warning June 17, 08:13pm until June 17, 08:30pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 65 °F

    Severe
    Thunderstorms
    and Breezy
    then Severe
    Thunderstorms

  • Thursday

    Thursday: Mostly sunny, with a high near 77. West northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 58 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 79. Calm wind becoming northwest 5 to 7 mph in the morning.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62. Light and variable wind.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82. Calm wind becoming southwest around 6 mph in the morning.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 64. Calm wind becoming east southeast around 5 mph after midnight.

    Low: 64 °F

    Partly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: Showers and possibly a thunderstorm.  High near 80. Chance of precipitation is 80%.

    High: 80 °F

    Showers

Detailed Forecast

Tonight
Showers and thunderstorms, mainly before 1am. Some of the storms could be severe. Low around 65. Breezy, with a west wind 17 to 22 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Mostly sunny, with a high near 77. West northwest wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 58. Northwest wind around 6 mph becoming calm in the evening.
Juneteenth
Sunny, with a high near 79. Calm wind becoming northwest 5 to 7 mph in the morning.
Friday Night
Partly cloudy, with a low around 62. Light and variable wind.
Saturday
Mostly sunny, with a high near 82. Calm wind becoming southwest around 6 mph in the morning.
Saturday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64. Calm wind becoming east southeast around 5 mph after midnight.
Sunday
Showers and possibly a thunderstorm. High near 80. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 64. Chance of precipitation is 80%.
Monday
Partly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Greenup IL
 39.24°N 88.15°W (Elev. 587 ft)
7:46 pm CDT Jun 17, 2026
8pm CDT Jun 17, 2026-6pm CDT Jun 24, 2026
 
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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