National Weather Service

News Headlines

NWS St. Louis 2026 Spotter Talk Schedule Now Available!

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

14°F

-10°C

Humidity	51%
Wind Speed	W 5 mph
Barometer	30.45 in (1031.7 mb)
Dewpoint	-1°F (-18°C)
Visibility	10.00 mi
Wind Chill	6°F (-14°C)
Last update	19 Jan 10:53 pm CST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

2 Miles N Trenton IL

Tonight
Low: 11 °F
Mostly Clear
Tuesday
High: 36 °F
Becoming
Sunny
Tuesday Night
Low: 29 °F
Increasing
Clouds
Wednesday
High: 45 °F
Decreasing
Clouds
Wednesday Night
Low: 24 °F
Mostly Clear
Thursday
High: 36 °F
Mostly Sunny
Thursday Night
Low: 11 °F
Mostly Cloudy
Friday
High: 18 °F
Cold
Friday Night
Low: 2 °F
Slight Chance
Snow

Detailed Forecast

Tonight

Mostly clear, with a low around 11. Light and variable wind.

Tuesday

Partly sunny, then gradually becoming sunny, with a high near 36. Light south wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 20 mph.

Tuesday Night

Increasing clouds, with a low around 29. South wind 11 to 17 mph, with gusts as high as 28 mph.

Wednesday

Mostly cloudy, then gradually becoming sunny, with a high near 45. West wind 8 to 15 mph, with gusts as high as 23 mph.

Wednesday Night

Mostly clear, with a low around 24. West wind 6 to 9 mph becoming northwest after midnight.

Thursday

Mostly sunny, with a high near 36.

Thursday Night

Mostly cloudy, with a low around 11.

Friday

Mostly cloudy and cold, with a high near 18.