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

Lamoni, Lamoni Municipal Airport (KLWD)

Lat: 40.63° N Lon: 93.9° W Elev: 1129 ft.

Fair

77°F

25°C

Humidity 82%
Wind Speed NE 6 mph
Barometer 29.96 in (1013.5 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 19 Aug 10:53 am CDT
Detailed forecast for

Mercer County

Rest Of Today
Mostly cloudy with a slight chance of showers late this morning, then partly sunny with showers likely with a chance of thunderstorms this afternoon. Highs in the lower 80s. Northeast winds around 5 mph. Chance of rain 60 percent.
Tonight
Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 60s. Northeast winds around 5 mph. Chance of rain 50 percent.
Thursday
Mostly sunny. Highs in the lower 80s. East winds around 5 mph.
Thursday Night
Mostly clear. Lows in the mid 60s. South winds around 5 mph.
Friday
Mostly sunny. Highs in the mid 80s. Southwest winds around 5 mph.
Friday Night
Partly cloudy. A chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 50 percent.
Saturday And Saturday Night
Mostly clear. Highs in the lower 80s. Lows in the mid 60s.
Sunday And Sunday Night
Mostly cloudy. Highs around 80. Lows in the mid 60s.
Monday Through Tuesday
Partly cloudy. Highs in the mid 80s. Lows in the upper 60s.



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1042 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