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

Severe Storms Expected Across Upper Midwest

Strong to severe thunderstorms with damaging winds, large hail, and heavy rain are expected across the Upper Mississippi Valley on Sunday, which includes the Twin Cities metro area. Meanwhile, heavy rain and thunderstorms may produce flooding across the Mid Mississippi Valley and in the St. Louis metro region. Read More >

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Mostly Cloudy

76°F

24°C

Humidity 91%
Wind Speed SE 5 mph
Barometer 30.09 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 9 Aug 3:35 am CDT
Extended Forecast for

Benton IL

  • Overnight

    Overnight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Steady temperature around 73. Southeast wind around 5 mph. Chance of precipitation is 80%.

    T-storms

    Low: 73 °F

  • Sunday

    Sunday: Showers and thunderstorms, mainly before 3pm. High near 85. South wind 6 to 9 mph. Chance of precipitation is 90%.

    T-storms then
    Showers
    Likely

    High: 85 °F

  • Sunday
    Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 73. South southeast wind around 7 mph.

    Slight Chance
    T-storms then
    Chance
    Showers

    Low: 73 °F

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 92. Heat index values as high as 105. Southwest wind 6 to 8 mph.

    Chance
    T-storms

    High: 92 °F

  • Monday
    Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm in the evening.

    Chance
    T-storms

    Low: 71 °F

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 86. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 60%.

    T-storms
    Likely

    High: 86 °F

  • Tuesday
    Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Calm wind.

    Chance
    T-storms

    Low: 69 °F

  • Wednesday

    Wednesday: Showers and thunderstorms likely. Partly sunny, with a high near 85. Calm wind becoming northwest around 6 mph in the afternoon.

    T-storms
    Likely

    High: 85 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 66. Light northeast wind.

    Chance
    T-storms

    Low: 66 °F

Detailed Forecast

Overnight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Steady temperature around 73. Southeast wind around 5 mph. Chance of precipitation is 80%.
Sunday
Showers and thunderstorms, mainly before 3pm. High near 85. South wind 6 to 9 mph. Chance of precipitation is 90%.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 73. South southeast wind around 7 mph.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 92. Heat index values as high as 105. Southwest wind 6 to 8 mph.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 86. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 60%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Calm wind.
Wednesday
Showers and thunderstorms likely. Partly sunny, with a high near 85. Calm wind becoming northwest around 6 mph in the afternoon.
Wednesday Night
A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 66. Light northeast wind.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Calm wind becoming northeast around 6 mph in the morning.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 67. East northeast wind around 5 mph becoming calm in the evening.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Calm wind becoming south southeast around 6 mph in the afternoon.
Friday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Light south southeast wind.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84. Calm wind becoming west southwest around 6 mph in the morning.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Benton IL
 38°N 88.93°W
Last Update:
3:15 am CDT Aug 9, 2020
Forecast Valid:
3am CDT Aug 9, 2020-6pm CDT Aug 15, 2020
 
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