NWS St. Louis Announces Changes To May 16, 2025 Tornado Damage Assessment

After a year-long review of new ground survey data and aerial imagery, NWS St. Louis made several adjustments to the May 16, 2025 tornado damage assessment. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

81°F

27°C

Humidity	47%
Wind Speed	S 13 G 20 mph
Barometer	29.83 in (1009.7 mb)
Dewpoint	59°F (15°C)
Visibility	10.00 mi
Heat Index	81°F (27°C)
Last update	15 May 3:53 pm CDT

More Information:

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

Extended Forecast for

2 Miles NE Collinsville IL

Tonight
Low: 67 °F
Mostly Cloudy
then Chance
T-storms
Saturday
High: 82 °F
T-storms
Likely
Saturday Night
Low: 66 °F
Slight Chance
T-storms then
Partly Cloudy
Sunday
High: 89 °F
Sunny
Sunday Night
Low: 70 °F
Mostly Clear
Monday
High: 90 °F
Breezy.
Mostly Sunny
then Chance
T-storms
Monday Night
Low: 71 °F
Chance
T-storms and
Breezy
Tuesday
High: 82 °F
Showers
Likely then
T-storms
Tuesday Night
Low: 61 °F
Showers
Likely

Detailed Forecast

Tonight

A 30 percent chance of showers and thunderstorms, mainly after 5am. Cloudy, then gradually becoming partly cloudy, with a low around 67. South wind 8 to 13 mph, with gusts as high as 22 mph.

Saturday

Showers and thunderstorms likely, mainly between 7am and noon. Mostly cloudy, with a high near 82. Southwest wind 6 to 9 mph becoming south in the afternoon. Chance of precipitation is 70%.

Saturday Night

A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 66. South wind around 8 mph.

Sunday

Sunny, with a high near 89. South wind 10 to 18 mph, with gusts as high as 28 mph.

Sunday Night

Mostly clear, with a low around 70. South wind 14 to 16 mph, with gusts as high as 24 mph.

Monday

A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. Breezy.

Monday Night

A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. Breezy.

Tuesday

Showers and possibly a thunderstorm. High near 82. Chance of precipitation is 80%.

Tuesday Night

Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.

Wednesday

A 20 percent chance of showers. Partly sunny, with a high near 72.

Wednesday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 55.

Thursday

Mostly sunny, with a high near 74.

Thursday Night

A 20 percent chance of showers. Partly cloudy, with a low around 56.

Friday

A 20 percent chance of showers. Mostly sunny, with a high near 79.