Weather in Keystone, IA
Updated 2026-08-11 12:30 local time · ZIP codes 52249

Partly cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
77°16% rain
89°6% rain
90°5% rain
91°4% rain
91°3% rain
90°4% rain
87°5% rain
84°7% rain
82°8% rain
79°12% rain
78°11% rain
74°16% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 18%).
It feels like 80°F with winds near 11 mph.
84°F, 7% rain chance and 7 mph wind.
Visibility is around 8 mi; gusts may reach 18 mph.
Current temperature is 77°F, wind 11 mph, rain chance up to 18%.
UV index is 6. Sunscreen, shade and protective clothing are recommended.
Keystone weather today
Partly cloudy and 77°F in Keystone, IA. Today's high is 91°F with a 39% rain chance. Winds are around 11 mph with gusts near 12 mph. Relative humidity is 89%, pressure is 29.87 inHg, and visibility is about 8 miles.
Tonight and tomorrow in Keystone
Sunrise is at 06:12 AM and sunset is at 08:15 PM. Tomorrow's forecast calls for Sunny with a high near 83°F and a low near 67°F. The maximum rain chance is 78%.