Weather in Glenallen, MO
Updated 2026-08-11 10:30 local time · ZIP codes 63751

Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
87°3% rain
96°2% rain
99°1% rain
100°1% rain
100°1% rain
99°1% rain
98°1% rain
97°1% rain
95°1% rain
91°2% rain
87°3% rain
85°4% 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 4%).
It feels like 94°F with winds near 11 mph.
87°F, 3% rain chance and 11 mph wind.
Visibility is around 6 mi; gusts may reach 18 mph.
Current temperature is 87°F, wind 11 mph, rain chance up to 4%.
UV index is 4. Sunscreen and sunglasses are sensible for longer outdoor time.
Glenallen weather today
Sunny and 87°F in Glenallen, MO. Today's high is 100°F with a 3% rain chance. Winds are around 11 mph with gusts near 13 mph. Relative humidity is 60%, pressure is 30.01 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Glenallen
Sunrise is at 06:13 AM and sunset is at 07:57 PM. Tomorrow's forecast calls for Sunny with a high near 103°F and a low near 75°F. The maximum rain chance is 3%.