Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Current conditions at

Morris Muni-James R Washburn Field Airport (KC09)

Lat: 41.43°NLon: 88.42°WElev: 584ft.

Fair

83°F

28°C

Humidity 47%
Wind Speed SE 5 mph
Barometer 30.06 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 15 Jun 3:15 pm CDT
Extended Forecast for

Mazon IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 84. East wind around 5 mph.

    High: 84 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 63. East wind around 5 mph becoming calm  in the evening.

    Low: 63 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 87. Calm wind becoming east southeast around 5 mph in the morning.

    High: 87 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 67. South southeast wind around 5 mph becoming calm  after midnight.

    Low: 67 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 91. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 91 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly after 1am.  Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

    Low: 69 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms likely.  Mostly cloudy, with a high near 84. Chance of precipitation is 70%.

    High: 84 °F

    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 84. East wind around 5 mph.
Tonight
Mostly cloudy, with a low around 63. East wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 87. Calm wind becoming east southeast around 5 mph in the morning.
Monday Night
Partly cloudy, with a low around 67. South southeast wind around 5 mph becoming calm after midnight.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.
Wednesday Night
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 65.
Juneteenth
Mostly sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 70.
Saturday
Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Mazon IL
 41.25°N 88.42°W
2:26 pm CDT Jun 15, 2025
3pm CDT Jun 15, 2025-6pm CDT Jun 21, 2025
 
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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