Weather in Barnum, IA
Updated 2026-09-26 09:00 local time · ZIP codes 50518
Light rain shower
No government weather alerts were returned for this location at the latest update.
Next hours
55°64% rain
54°79% rain
56°32% rain57°30% rain
56°58% rain
61°10% rain
62°12% rain62°21% rain62°51% rain60°27% rain59°32% rain
59°27% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance reaches about 79% over the next 12 hours.
It feels like 48°F with winds near 15 mph.
61°F, 10% rain chance and 16 mph wind.
Visibility is around 6 mi; gusts may reach 31 mph.
Current temperature is 55°F, wind 15 mph, rain chance up to 79%.
UV index is 0.
Local weather characteristics in Barnum
Iowa has a continental climate with hot summers, cold winters, strong winds and a notable spring and summer severe-thunderstorm season.
Barnum is part of the Midwest weather region. The forecast point is near 42.51°N latitude and 94.36°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.
Barnum weather today
Light rain shower and 55°F in Barnum, IA. Today's high is 62°F with a 90% rain chance. Winds are around 15 mph with gusts near 29 mph. Relative humidity is 97%, pressure is 30.07 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Barnum
Sunrise is at 07:09 AM and sunset is at 07:08 PM. Tomorrow's forecast calls for Overcast with a high near 64°F and a low near 58°F. The maximum rain chance is 61%.