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

Moke Impacts Hawaii; Severe Thunderstorms and Heavy Rainfall from the Great Basin to the Plains

Heavy rain and gusty winds from Tropical Storm Moke will impact the Big Island into Monday, risking life-threatening flooding and mudslides in windward and southeast areas. Severe thunderstorms are expected across the northern Rockies/Plains and northern Great Basin. Dangerous heat persists across the Southern Plains and Lower Mississippi Valley, building further into the Southwest by midweek. Read More >

Current conditions at

St. Charles, St. Charles County Smartt Airport (KSET)

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

72°F

22°C

Humidity 61%
Wind Speed N 3 mph
Barometer 30.03 in (1016.6 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 23 Aug 7:54 pm CDT
Extended Forecast for

3 Miles ENE Brussels IL

  • Tonight

    Tonight: Patchy dense fog after 3am. Otherwise, partly cloudy, with a low around 59. Light and variable wind.

    Low: 59 °F

    Partly Cloudy
    then Patchy
    Dense Fog

  • Monday

    Monday: Areas of dense fog before 8am. Otherwise, sunny, with a high near 82. Light northeast wind.

    High: 82 °F

    Areas Dense
    Fog then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62. East wind 3 to 5 mph.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85. Southeast wind 3 to 6 mph.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69. Light east wind.

    Low: 69 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 67.

    Low: 67 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy dense fog after 3am. Otherwise, partly cloudy, with a low around 59. Light and variable wind.
Monday
Areas of dense fog before 8am. Otherwise, sunny, with a high near 82. Light northeast wind.
Monday Night
Mostly clear, with a low around 62. East wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 85. Southeast wind 3 to 6 mph.
Tuesday Night
Partly cloudy, with a low around 69. Light east wind.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 67.
Thursday
Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 65.
Friday
Sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 68.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 87.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Brussels IL
 38.98°N 90.53°W (Elev. 712 ft)
Last Update:
6:56 pm CDT Aug 23, 2026
Forecast Valid:
8pm CDT Aug 23, 2026-6pm CDT Aug 30, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation