Weather in Grimes, IA
Updated 2026-09-26 12:30 local time · ZIP codes 50111
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
57°28% rain
58°42% rain60°25% rain
63°17% rain66°15% rain66°45% rain64°46% rain
64°31% rain
63°24% rain
62°28% rain62°26% rain61°25% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
There is a moderate rain chance, peaking near 46%.
It feels like 50°F with winds near 13 mph.
66°F, 15% rain chance and 15 mph wind.
Visibility is around 6 mi; gusts may reach 28 mph.
Current temperature is 57°F, wind 13 mph, rain chance up to 46%.
UV index is 0.
Local weather characteristics in Grimes
Iowa has a continental climate with hot summers, cold winters, strong winds and a notable spring and summer severe-thunderstorm season.
Grimes is part of the Midwest weather region. The forecast point is near 41.69°N latitude and 93.79°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.
Grimes weather today
Overcast and 57°F in Grimes, IA. Today's high is 66°F with a 88% rain chance. Winds are around 13 mph with gusts near 26 mph. Relative humidity is 87%, pressure is 30.08 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Grimes
Sunrise is at 07:06 AM and sunset is at 07:06 PM. Tomorrow's forecast calls for Overcast with a high near 64°F and a low near 59°F. The maximum rain chance is 77%.