Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Partly Cloudy
88°F
31°C
| Humidity | 52% |
| Wind Speed | SW 12 mph |
| Barometer | 29.94 in |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Heat Index | 92°F (33°C) |
| Last update | 25 Jun 5:45 pm CDT |
Extended Forecast for
2 Miles E Johnston City IL
Flood Watch until June 27, 07:00am
NOW until 7:00am Sat
Flood Watch
Tonight
Low: 71 °F
Chance
T-storms then
ShowersFriday

High: 86 °F
Showers
LikelyFriday Night

Low: 72 °F
Showers
Saturday
High: 88 °F
Chance
Showers then
Chance
T-stormsSaturday Night

Low: 73 °F
Chance
T-stormsSunday
High: 94 °F
Chance
T-storms then
SunnySunday Night

Low: 76 °F
Mostly Clear
Monday

High: 98 °F
Hot
Detailed Forecast
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Low around 71. South southwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 80%.
Friday
Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms between 10am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 86. South southwest wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Low around 72. West southwest wind 5 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.
Saturday
A chance of showers before 7am, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88. West southwest wind 3 to 7 mph. Chance of precipitation is 50%.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. Light and variable wind.
Sunday
A chance of thunderstorms before 7am. Sunny, with a high near 94. South southwest wind 5 to 9 mph. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 76. South southwest wind 3 to 8 mph.
Monday
Sunny and hot, with a high near 98. South southwest wind 3 to 6 mph.
Monday Night
Clear, with a low around 76. South wind around 6 mph becoming calm in the evening.
Tuesday
Sunny and hot, with a high near 99. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Clear, with a low around 77. South southeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny and hot, with a high near 100. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 78. Light and variable wind.
Thursday
Sunny and hot, with a high near 99. Light and variable wind.
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ABOUT THIS FORECAST
Point Forecast:
2 Miles E Johnston City IL
37.82°N 88.89°W
37.82°N 88.89°W
5:11 pm CDT Jun 25, 2026
6pm CDT Jun 25, 2026-6pm CDT Jul 2, 2026



