Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78° N Lon: 87.76° W Elev: 617 ft.

Light Rain

76°F

24°C

Humidity 85%
Wind Speed S 12 mph
Barometer 29.97 in (1013.9 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 30 Aug 10:53 pm CDT
Detailed forecast for

Central Cook

Rest Of Tonight
Mostly cloudy. Showers likely late in the evening. A slight chance of thunderstorms. A slight chance of showers after midnight. Near steady temperature in the mid 70s. South winds around 10 mph. Chance of precipitation 60 percent.
Monday
Mostly cloudy in the morning, then becoming partly cloudy. A slight chance of showers and thunderstorms in the morning. A slight chance of showers and thunderstorms late. Highs in the upper 80s. Southwest winds 10 to 15 mph. Chance of precipitation 20 percent.
Monday Night
Partly cloudy. A slight chance of showers and thunderstorms after midnight. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent.
Tuesday
Mostly cloudy in the morning, then becoming partly cloudy. A slight chance of showers and thunderstorms in the morning. Humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent. Heat index values up to 100.
Tuesday Night
Partly cloudy in the evening, then clearing. Humid with lows in the mid 70s. Southwest winds around 5 mph.
Wednesday
Partly cloudy. Highs in the lower 90s.
Wednesday Night
Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the mid 70s. Chance of precipitation 40 percent.
Thursday
Partly cloudy with a chance of showers and thunderstorms in the morning, then mostly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of precipitation 40 percent.
Thursday Night
Mostly cloudy in the evening, then becoming partly cloudy. A chance of thunderstorms in the evening. A chance of showers. Lows in the lower 70s. Chance of precipitation 50 percent.
Friday
Partly cloudy. Highs in the mid 80s.
Friday Night
Partly cloudy. Lows in the lower 70s.
Saturday
Partly cloudy. Highs in the lower 80s.
Saturday Night
Partly cloudy. Lows in the upper 60s.
Sunday
Partly cloudy. Highs in the lower 80s.



Basemap Options
Click map to change the forecast location
Loading map...
941 PM CDT Sun Aug 30 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database