Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Current conditions at

Des Moines International Airport (KDSM)

Lat: 41.53° N Lon: 93.65° W Elev: 942 ft.

Overcast

77°F

25°C

Humidity 74%
Wind Speed E 8 mph
Barometer 29.96 in (1013.9 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 19 Aug 11:54 am CDT
Detailed forecast for

Madison County

This Afternoon
Mostly cloudy with a chance of showers and thunderstorms. Near steady temperature in the upper 70s. Northeast winds 5 to 10 mph. Chance of rain 40 percent.
Tonight
Partly cloudy. A slight chance of showers and thunderstorms in the evening. Humid with lows in the lower 60s. Northeast winds around 5 mph. Chance of rain 20 percent.
Thursday
Mostly sunny. Humid with highs in the lower 80s. East winds around 5 mph, becoming south around 5 mph in the afternoon.
Thursday Night
Partly cloudy. A slight chance of showers and thunderstorms after midnight. Humid with lows in the mid 60s. South winds around 5 mph. Chance of rain 20 percent.
Friday
Sunny with highs in the mid 80s. West winds around 5 mph.
Friday Night
Mostly clear with a slight chance of showers and thunderstorms in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Lows in the mid 60s. Chance of rain 50 percent.
Saturday
Sunny. Highs in the lower 80s.
Saturday Night
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s.
Sunday
Partly sunny. A slight chance of showers in the morning. Highs in the upper 70s. Chance of rain 20 percent.
Sunday Night
Mostly cloudy in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the lower 60s. Chance of rain 20 percent.
Monday
Mostly sunny. Highs in the lower 80s.
Monday Night
Partly cloudy. Lows in the mid 60s.
Tuesday
Mostly sunny. Highs in the lower 80s.



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1213 PM CDT Wed Aug 19 2026
 
 

Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database