News Headlines
Hazardous Weather Conditions
Current conditions at
Effingham, Effingham County Memorial Airport (K1H2)
Lat: 39.07°NLon: 88.53°WElev: 587ft.
Fair
76°F
24°C
| Humidity | 64% |
| Wind Speed | S 13 G 16 mph |
| Barometer | 29.73 in |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 16 Jun 5:55 pm CDT |
Extended Forecast for
Mason IL
Severe T-storm Watch until June 16, 10:00pm
Wind Advisory June 17, 01:00pm until June 17, 07:00pm
NOW until 10:00pm Tue
Severe T-storm Watch
Tonight
Low: 58 °F
Severe
Thunderstorms
then Partly
CloudyWednesday
High: 87 °F
Partly Sunny
then Slight
Chance
T-storms and
BreezyWednesday Night
Low: 68 °F
Heavy Rain
and Breezy
then Chance
T-stormsThursday
High: 79 °F
Mostly Sunny
Thursday Night
Low: 58 °F
Partly Cloudy
Juneteenth
High: 80 °F
Sunny
Friday Night
Low: 59 °F
Mostly Clear
Saturday
High: 83 °F
Sunny
Detailed Forecast
Tonight
A 30 percent chance of showers and thunderstorms before 8pm. Some of the storms could be severe. Partly cloudy, with a low around 58. West southwest wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Breezy, with a south southwest wind 5 to 15 mph increasing to 16 to 26 mph in the afternoon. Winds could gust as high as 45 mph.
Wednesday Night
Showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Some of the storms could produce heavy rainfall. Low around 68. Breezy, with a west southwest wind 23 to 28 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Mostly sunny, with a high near 79. West northwest wind around 10 mph, with gusts as high as 17 mph.
Thursday Night
Partly cloudy, with a low around 58. Northwest wind around 6 mph becoming calm in the evening.
Juneteenth
Sunny, with a high near 80. Calm wind becoming northwest 5 to 8 mph in the morning.
Friday Night
Mostly clear, with a low around 59. North northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 83.
Saturday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 64.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 80. Chance of precipitation is 70%.
Sunday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 65.
Monday
A chance of showers. Mostly cloudy, with a high near 80.
Monday Night
Mostly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 81.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Mason IL
38.94°N 88.62°W (Elev. 564 ft)
38.94°N 88.62°W (Elev. 564 ft)
5:16 pm CDT Jun 16, 2026
6pm CDT Jun 16, 2026-6pm CDT Jun 23, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
