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

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Overcast

61°F

16°C

Humidity 77%
Wind Speed S 12 mph
Barometer 29.88 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 18 Nov 10:47 am CST
Extended Forecast for

3 Miles SE Tunnel Hill IL

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, with a high near 65. South southwest wind 7 to 14 mph, with gusts as high as 29 mph.

    High: 65 °F

    Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers before 7pm. The rain could be heavy at times. Mostly cloudy, with a low around 52. Southwest wind around 6 mph becoming calm in the evening.

    Low: 52 °F

    Heavy Rain
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 62. Light northwest wind.

    High: 62 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers. High near 61. Calm wind becoming south southeast around 6 mph in the morning. Chance of precipitation is 80%.

    High: 61 °F

    Showers

  • Thursday Night

    Thursday Night: Showers. Low around 55. South southwest wind 3 to 5 mph. Chance of precipitation is 90%.

    Low: 55 °F

    Showers

  • Friday

    Friday: Showers. High near 64. Southeast wind 5 to 8 mph becoming north northwest in the afternoon. Chance of precipitation is 90%.

    High: 64 °F

    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 47. North northeast wind around 6 mph.

    Low: 47 °F

    Showers
    Likely

  • Saturday

    Saturday: A slight chance of showers before noon. Mostly sunny, with a high near 58. North northeast wind 3 to 7 mph.

    High: 58 °F

    Slight Chance
    Showers then
    Mostly Sunny

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, with a high near 65. South southwest wind 7 to 14 mph, with gusts as high as 29 mph.
Tonight
A 30 percent chance of showers before 7pm. The rain could be heavy at times. Mostly cloudy, with a low around 52. Southwest wind around 6 mph becoming calm in the evening.
Wednesday
Mostly cloudy, with a high near 62. Light northwest wind.
Wednesday Night
A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 50. Calm wind.
Thursday
Showers. High near 61. Calm wind becoming south southeast around 6 mph in the morning. Chance of precipitation is 80%.
Thursday Night
Showers. Low around 55. South southwest wind 3 to 5 mph. Chance of precipitation is 90%.
Friday
Showers. High near 64. Southeast wind 5 to 8 mph becoming north northwest in the afternoon. Chance of precipitation is 90%.
Friday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 47. North northeast wind around 6 mph.
Saturday
A slight chance of showers before noon. Mostly sunny, with a high near 58. North northeast wind 3 to 7 mph.
Saturday Night
Mostly clear, with a low around 40. Calm wind.
Sunday
Sunny, with a high near 60. Calm wind becoming west southwest around 5 mph.
Sunday Night
Partly cloudy, with a low around 42. Light southwest wind.
Monday
A slight chance of showers. Partly sunny, with a high near 59. South wind 3 to 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Tunnel Hill IL
 37.53°N 88.85°W
Last Update:
10:31 am CST Nov 18, 2025
Forecast Valid:
11am CST Nov 18, 2025-6pm CST Nov 24, 2025
 
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