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 >

Current conditions at

Columbia, Columbia Regional Airport (KCOU)

Lat: 38.82° N Lon: 92.22° W Elev: 889 ft.

Rain

69°F

21°C

Humidity 96%
Wind Speed S 6 mph
Barometer 29.95 in (1013.4 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 19 Aug 5:54 am CDT
Detailed forecast for

Boone County

Today
Mostly cloudy. Showers and thunderstorms this morning, then scattered showers with isolated thunderstorms this afternoon. Highs in the lower 80s. East winds around 5 mph. Chance of rain 90 percent.
Tonight
Partly cloudy. Isolated showers and thunderstorms in the evening. Lows in the upper 60s. Northeast winds around 5 mph. Chance of rain 20 percent.
Thursday
Mostly sunny. Highs in the mid 80s. Northeast winds around 5 mph.
Thursday Night
Mostly clear. Lows in the mid 60s. Northeast winds around 5 mph in the evening, becoming light and variable.
Friday
Sunny. Highs in the upper 80s. South winds around 5 mph, becoming west in the afternoon.
Friday Night
Mostly clear in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 20 percent.
Saturday
Mostly sunny. A slight chance of showers and thunderstorms in the morning. Highs in the upper 80s. Chance of rain 20 percent.
Saturday Night
Mostly clear. Lows in the upper 60s.
Sunday
Mostly sunny with a 20 percent chance of showers. Highs in the mid 80s.
Sunday Night
Mostly cloudy in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 30 percent.
Monday
Partly sunny. A slight chance of showers and thunderstorms in the morning. Highs in the upper 80s. Chance of rain 20 percent.
Monday Night
Mostly clear. Lows in the upper 60s.
Tuesday
Mostly sunny. Highs around 90.



Basemap Options
Click map to change the forecast location
Loading map...
523 AM CDT Wed Aug 19 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database