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

Record Heat for the Intermountain West and Northern Plains; Heavy Rainfall and Severe Weather Threats

Record setting heat is expected over the next several days from the Intermountain West through the northern Plains. Furthermore, fire weather concerns increase with dry and breezy conditions. Meanwhile, heavy rainfall and severe thunderstorm threats for the Ohio/Tennessee Valleys, central Appalachians and Southeast today. The threat shifts to central Gulf Coast and across central Texas this week. Read More >

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Mostly Cloudy

72°F

22°C

Humidity 91%
Wind Speed N 9 mph
Barometer 30.12 in (1019.5 mb)
Dewpoint 69°F (21°C)
Visibility 7.00 mi
Last update 12 Jul 7:53 am CDT
Extended Forecast for

Casey IL

  • Today

    Today: Sunny, with a high near 84. Northeast wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 65. North northeast wind 6 to 9 mph, with gusts as high as 16 mph.

    Low: 65 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 86. Northeast wind 7 to 11 mph, with gusts as high as 17 mph.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 67. North northeast wind 5 to 7 mph becoming calm in the evening.

    Low: 67 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. East northeast wind around 6 mph.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70. Light and variable wind.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 84. Northeast wind 9 to 13 mph, with gusts as high as 20 mph.
Tonight
Clear, with a low around 65. North northeast wind 6 to 9 mph, with gusts as high as 16 mph.
Monday
Sunny, with a high near 86. Northeast wind 7 to 11 mph, with gusts as high as 17 mph.
Monday Night
Clear, with a low around 67. North northeast wind 5 to 7 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 89. East northeast wind around 6 mph.
Tuesday Night
Mostly clear, with a low around 70. Light and variable wind.
Wednesday
Sunny, with a high near 91. Calm wind becoming west northwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 72.
Thursday
Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 71.
Friday
Sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 71.
Saturday
Mostly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Casey IL
 39.3°N 87.97°W (Elev. 627 ft)
Last Update:
7:36 am CDT Jul 12, 2026
Forecast Valid:
8am CDT Jul 12, 2026-6pm CDT Jul 18, 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