Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. Read More >

Hazardous Weather Conditions

Current conditions at

Lewis University Airport (KLOT)

Lat: 41.6°NLon: 88.1°WElev: 669ft.

Mostly Cloudy

73°F

23°C

Humidity 100%
Wind Speed SE 5 mph
Barometer 30.02 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 30 Aug 9:15 pm CDT
Extended Forecast for

4 Miles N Plainfield IL

  • Tonight

    Tonight: Showers and thunderstorms likely before midnight, then a slight chance of showers and thunderstorms after 4am.  Mostly cloudy, with a low around 71. South wind around 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Monday

    Monday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 4pm.  Partly sunny, with a high near 87. Southwest wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 4am.  Partly cloudy, with a low around 73. South southwest wind 5 to 10 mph.  Chance of precipitation is 20%.

    Low: 73 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 90. Heat index values as high as 100. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 90 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 73. South southwest wind around 5 mph.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 87.

    High: 87 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers after 1am.  Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Showers and thunderstorms likely before midnight, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 71. South wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 87. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 73. South southwest wind 5 to 10 mph. Chance of precipitation is 20%.
Tuesday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 90. Heat index values as high as 100. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
Mostly clear, with a low around 73. South southwest wind around 5 mph.
Wednesday
Sunny, with a high near 91.
Wednesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72.
Thursday
A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 87.
Thursday Night
A chance of showers after 1am. Partly cloudy, with a low around 70.
Friday
Mostly sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 68.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
Mostly sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Plainfield IL
 41.68°N 88.22°W
8:21 pm CDT Aug 30, 2026
9pm CDT Aug 30, 2026-6pm CDT Sep 6, 2026
 
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