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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Hazardous Weather Conditions

Current conditions at

Pontiac Municipal Airport (KPNT)

Lat: 40.92°NLon: 88.62°WElev: 650ft.

Fair

77°F

25°C

Humidity 99%
Wind Speed SE 5 mph
Barometer 30.23 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 17 Sep 11:15 am CDT
Extended Forecast for

Dwight IL

  • Today

    Today: A chance of showers before 1pm, then a slight chance of showers and thunderstorms after 4pm. Cloudy early, then becoming mostly sunny, with a high near 84. Calm wind becoming west northwest around 5 mph. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers after 4am. Mostly cloudy, with a low around 66. Calm wind becoming northeast around 5 mph. Winds could gust as high as 10 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A 10 percent chance of showers before 7am. Mostly cloudy, with a high near 80. East wind around 5 mph, with gusts as high as 15 mph.

    High: 80 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 66. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.

    Low: 66 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 89. South southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.

    High: 89 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.

    Low: 67 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Mostly cloudy, with a high near 71.

    High: 71 °F

    Showers
    Likely

Detailed Forecast

Today
A chance of showers before 1pm, then a slight chance of showers and thunderstorms after 4pm. Cloudy early, then becoming mostly sunny, with a high near 84. Calm wind becoming west northwest around 5 mph. Chance of precipitation is 30%.
Tonight
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers after 4am. Mostly cloudy, with a low around 66. Calm wind becoming northeast around 5 mph. Winds could gust as high as 10 mph. Chance of precipitation is 20%.
Friday
A 10 percent chance of showers before 7am. Mostly cloudy, with a high near 80. East wind around 5 mph, with gusts as high as 15 mph.
Friday Night
A chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 66. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.
Saturday
A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 89. South southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.
Sunday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
Sunday Night
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 59.
Monday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Mostly cloudy, with a high near 71.
Monday Night
Mostly cloudy, with a low around 56.
Tuesday
Partly sunny, with a high near 72.
Tuesday Night
Mostly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 76.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dwight IL
 41.1°N 88.43°W
Last Update:
10:51 am CDT Sep 17, 2026
Forecast Valid:
11am CDT Sep 17, 2026-6pm CDT Sep 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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