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.

Fair

75°F

24°C

Humidity 95%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Last update 26 Jun 6:15 am CDT
Extended Forecast for

Christopher IL

Heat Advisory June 26, 06:25am until June 27, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 26, 06:25am until June 27, 07:00pm

    NOW until 7:00pm Fri

    Heat Advisory

  • Today

    High: 95 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 75. South southwest wind around 6 mph.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. West southwest wind 6 to 10 mph.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. West southwest wind around 6 mph becoming calm in the evening.

    Low: 74 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 91. Calm wind becoming west southwest around 6 mph in the morning. Chance of precipitation is 60%.

    High: 91 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 73. Light southwest wind.

    Low: 73 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 92. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 92 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Light southwest wind.

    Low: 74 °F

    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 95. Heat index values as high as 105. Calm wind becoming south southwest 5 to 8 mph in the morning.
Tonight
Mostly clear, with a low around 75. South southwest wind around 6 mph.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. West southwest wind 6 to 10 mph.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. West southwest wind around 6 mph becoming calm in the evening.
Saturday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 91. Calm wind becoming west southwest around 6 mph in the morning. Chance of precipitation is 60%.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 73. Light southwest wind.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 92. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Light southwest wind.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 92. Calm wind becoming west southwest around 6 mph in the morning.
Monday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 72. Light west northwest wind.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Calm wind becoming north around 6 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 69. North wind around 5 mph becoming calm in the evening.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Calm wind becoming north around 5 mph in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Christopher IL
 37.98°N 89.05°W
Last Update:
6:17 am CDT Jun 26, 2025
Forecast Valid:
6am CDT Jun 26, 2025-6pm CDT Jul 2, 2025
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation