Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Overcast

64°F

18°C

Humidity 88%
Wind Speed W 3 mph
Barometer 29.76 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 11 Mar 7:45 am CDT
Extended Forecast for

2 Miles NW Johnston City IL

  • Today

    Today: Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers after 4pm. Some of the storms could be severe.  Temperature falling to around 48 by 5pm. Breezy, with a southwest wind 17 to 20 mph becoming north northwest in the afternoon. Winds could gust as high as 32 mph.  Chance of precipitation is 90%.

    High: 70 °F

    Breezy.
    Severe
    Thunderstorms
    then Showers

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 32. North northwest wind 9 to 18 mph, with gusts as high as 30 mph.

    Low: 32 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 55. Northwest wind 5 to 8 mph becoming west southwest in the afternoon.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42. South wind 7 to 12 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 24 mph.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 63. Southwest wind 11 to 16 mph, with gusts as high as 25 mph.

    High: 63 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38. West northwest wind around 6 mph becoming light and variable.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 67. East wind 6 to 10 mph becoming south southeast in the afternoon.

    High: 67 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 54. South wind 9 to 14 mph, with gusts as high as 23 mph.

    Low: 54 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely after 1pm.  Mostly cloudy, with a high near 70. Breezy, with a south wind 16 to 24 mph, with gusts as high as 33 mph.

    High: 70 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Today
Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers after 4pm. Some of the storms could be severe. Temperature falling to around 48 by 5pm. Breezy, with a southwest wind 17 to 20 mph becoming north northwest in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 90%.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 32. North northwest wind 9 to 18 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 55. Northwest wind 5 to 8 mph becoming west southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 42. South wind 7 to 12 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 24 mph.
Friday
Mostly sunny, with a high near 63. Southwest wind 11 to 16 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 38. West northwest wind around 6 mph becoming light and variable.
Saturday
Sunny, with a high near 67. East wind 6 to 10 mph becoming south southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 54. South wind 9 to 14 mph, with gusts as high as 23 mph.
Sunday
A chance of showers and thunderstorms, then showers likely after 1pm. Mostly cloudy, with a high near 70. Breezy, with a south wind 16 to 24 mph, with gusts as high as 33 mph.
Sunday Night
A chance of showers before 1am. Mostly cloudy, with a low around 28. Blustery, with a northwest wind 18 to 23 mph, with gusts as high as 31 mph.
Monday
Sunny, with a high near 41. Northwest wind 16 to 18 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around 21. North northwest wind 5 to 11 mph.
Tuesday
Partly sunny, with a high near 44. West northwest wind 5 to 9 mph becoming southwest in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Johnston City IL
 37.85°N 88.94°W
7:36 am CDT Mar 11, 2026
8am CDT Mar 11, 2026-6pm CDT Mar 17, 2026
 
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Additional Resources

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