Thunderstorms and Heavy Rain Across the Southern and Eastern US; Heat and Fire Weather Concerns in the West

Showers and thunderstorms are expected across the southern and eastern US this week, with heavy rain and localized flooding, particularly near the Gulf Coast. Monsoonal moisture will bring rain and potential flooding to parts of the Southwest. Heat and fire weather threats will continue to impact the West. Read More >

Hazardous Weather Conditions

Current conditions at

Jacksonville Municipal Airport (KIJX)

Lat: 39.77°NLon: 90.24°WElev: 614ft.

Fair

69°F

21°C

Humidity 98%
Wind Speed W 3 mph
Barometer 29.96 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 30 Jun 11:30 pm CDT
Extended Forecast for

Chapin IL

  • Overnight

    Overnight: Partly cloudy, with a low around 67. West northwest wind around 6 mph.

    Low: 67 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 84. North northwest wind 6 to 9 mph.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65. North northwest wind around 5 mph becoming calm  in the evening.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 69. South wind 3 to 5 mph.

    Low: 69 °F

    Mostly Clear

  • Independence Day

    Independence Day: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 67. West northwest wind around 6 mph.
Tuesday
Sunny, with a high near 84. North northwest wind 6 to 9 mph.
Tuesday Night
Mostly clear, with a low around 65. North northwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 66. Calm wind.
Thursday
Sunny, with a high near 87. Calm wind becoming south southwest around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 69. South wind 3 to 5 mph.
Independence Day
Sunny, with a high near 89.
Friday Night
Partly cloudy, with a low around 73.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 87.
Sunday Night
A chance of showers. Partly cloudy, with a low around 70.
Monday
A chance of showers. Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Chapin IL
 39.78°N 90.44°W (Elev. 630 ft)
11:56 pm CDT Jun 30, 2025
12am CDT Jul 1, 2025-6pm CDT Jul 7, 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