Severe Weather and Flooding Threat in the Central U.S. and Mid-Atlantic; Dangerous Heat in the West and Southern Plains

Severe thunderstorms and heavy rain are expected across the central High Plains into parts of the central and southern Plains and in the the Mid-Atlantic today. Intense, dangerous heat will persist across the West, Southwest, and Southern Plains into the end of the week. Elevated to critical fire weather conditions expected in the Great Basin and Four Corners region. Read More >

Current conditions at

Pontiac Municipal Airport (KPNT)

Lat: 40.92°NLon: 88.62°WElev: 650ft.

Partly Cloudy

78°F

26°C

Humidity 45%
Wind Speed NA
Barometer 30.19 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 23 Jun 3:15 pm CDT
Extended Forecast for

3 Miles NNW Graymont IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 78. North northwest wind around 5 mph.

    High: 78 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 58. Calm wind becoming south around 5 mph after midnight.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm.  Mostly sunny, with a high near 81. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 81 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms, mainly before 9pm.  Partly cloudy, with a low around 61. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 61 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 81. West southwest wind around 5 mph, with gusts as high as 15 mph.

    High: 81 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms, then a chance of showers after 10pm.  Mostly cloudy, with a low around 61. Chance of precipitation is 40%.

    Low: 61 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 78. Chance of precipitation is 50%.

    High: 78 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 1am.  Partly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 78. North northwest wind around 5 mph.
Tonight
Partly cloudy, with a low around 58. Calm wind becoming south around 5 mph after midnight.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 81. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
A 50 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 61. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday
Partly sunny, with a high near 81. West southwest wind around 5 mph, with gusts as high as 15 mph.
Thursday Night
A slight chance of showers and thunderstorms, then a chance of showers after 10pm. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 78. Chance of precipitation is 50%.
Friday Night
A chance of showers before 1am. Partly cloudy, with a low around 64.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
A chance of showers after 1am. Partly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Graymont IL
 40.96°N 88.79°W
2:46 pm CDT Jun 23, 2026
3pm CDT Jun 23, 2026-6pm CDT Jun 29, 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