Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Mostly Cloudy

72°F

22°C

Humidity 83%
Wind Speed S 15 mph
Barometer 30.08 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 3 Apr 10:45 am CDT
Extended Forecast for

2 Miles E Johnston City IL

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm.  Partly sunny, with a high near 83. South southwest wind 13 to 16 mph, with gusts as high as 24 mph.

    High: 83 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after 2am.  Mostly cloudy, with a low around 61. South wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 61 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 3pm, then a chance of showers.  Temperature falling to around 59 by 5pm. Southwest wind 11 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 100%.

    High: 70 °F

    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 41. Northwest wind 6 to 10 mph.

    Low: 41 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 61. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 39. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 39 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 65. Light west wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38. North wind 6 to 8 mph.

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. North northeast wind 7 to 9 mph.

    High: 57 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Partly sunny, with a high near 83. South southwest wind 13 to 16 mph, with gusts as high as 24 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 61. South wind 10 to 14 mph, with gusts as high as 23 mph.
Saturday
Showers and possibly a thunderstorm before 3pm, then a chance of showers. Temperature falling to around 59 by 5pm. Southwest wind 11 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 100%.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 41. Northwest wind 6 to 10 mph.
Sunday
Sunny, with a high near 61. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 39. Northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 65. Light west wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
Partly cloudy, with a low around 38. North wind 6 to 8 mph.
Tuesday
Mostly sunny, with a high near 57. North northeast wind 7 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 39. East northeast wind around 6 mph.
Wednesday
Mostly sunny, with a high near 70. South wind 6 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 53. South wind 8 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 75. South wind 10 to 15 mph, with gusts as high as 23 mph.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Johnston City IL
 37.82°N 88.89°W
10:42 am CDT Apr 3, 2026
11am CDT Apr 3, 2026-6pm CDT Apr 9, 2026
 
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