Weather in De Kalb, MO
Updated 2026-09-26 10:45 local time · ZIP codes 64440
Patchy rain nearby
No government weather alerts were returned for this location at the latest update.
Next hours
65°25% rain
69°53% rain69°39% rain70°60% rain
71°22% rain73°49% rain74°20% rain73°21% rain73°43% rain
70°42% rain
69°31% rain
69°47% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance reaches about 60% over the next 12 hours.
It feels like 60°F with winds near 13 mph.
73°F, 21% rain chance and 8 mph wind.
Visibility is around 6 mi; gusts may reach 24 mph.
Current temperature is 65°F, wind 13 mph, rain chance up to 60%.
UV index is 1.
Local weather characteristics in De Kalb
Missouri sits where different air masses often meet, producing hot humid summers, cold winter spells, rapid weather changes and frequent thunderstorms.
De Kalb is part of the Midwest weather region. The forecast point is near 39.58°N latitude and 94.94°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
De Kalb weather today
Patchy rain nearby and 65°F in De Kalb, MO. Today's high is 74°F with a 84% rain chance. Winds are around 13 mph with gusts near 21 mph. Relative humidity is 78%, pressure is 30.04 inHg, and visibility is about 6 miles.
Tonight and tomorrow in De Kalb
Sunrise is at 07:11 AM and sunset is at 07:10 PM. Tomorrow's forecast calls for Patchy rain nearby with a high near 78°F and a low near 63°F. The maximum rain chance is 73%.