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

Significant Coastal Impacts from Nor'Easter; Hurricane Nolo Bring Gusty Winds and Heavy Rain to Hawaii

A nor'easter will continue to bring significant coastal impacts to the Mid-Atlantic and New England into Monday. Moderate to major coastal flooding, heavy rain, strong winds, and high surf are expected. Hurricane Nolo will remain south of the Big Island of Hawaii with gusty winds and heavy rainfall that may bring significant, life-threatening flooding and mudslides through the weekend. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

A Few Clouds

72°F

22°C

Humidity 59%
Wind Speed NE 6 mph
Barometer 30.10 in (1019.0 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 27 Sep 11:53 am CDT
Extended Forecast for

Belleville IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 74. Light north wind.

    High: 74 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 55. Light north wind.

    Low: 55 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 78. Calm wind.

    High: 78 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Calm wind becoming south 5 to 7 mph in the morning.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 86.

    High: 86 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 74. Light north wind.
Tonight
Mostly cloudy, with a low around 55. Light north wind.
Monday
Partly sunny, then gradually becoming sunny, with a high near 78. Calm wind.
Monday Night
Mostly clear, with a low around 54. Calm wind.
Tuesday
Sunny, with a high near 82. Calm wind becoming south 5 to 7 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 65.
Wednesday
Mostly cloudy, with a high near 86.
Wednesday Night
A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 69.
Thursday
Showers likely. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Saturday
A 50 percent chance of showers. Partly sunny, with a high near 73.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Belleville IL
 38.52°N 90.01°W (Elev. 535 ft)
Last Update:
11:26 am CDT Sep 27, 2026
Forecast Valid:
12pm CDT Sep 27, 2026-6pm CDT Oct 3, 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