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

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Thunderstorm Light Rain

64°F

18°C

Humidity	94%
Wind Speed	S 20 G 32 mph
Barometer	29.92 in
Dewpoint	63°F (17°C)
Visibility	8.00 mi
Last update	18 May 6:50 pm CDT

More Information:

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

Extended Forecast for

4 Miles SE Moro IL

Flood Watch May 18, 07:10pm until May 19, 01:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch May 18, 07:10pm until May 19, 01:00pm
NOW until 1:00pm Tue
Flood Watch
Tonight
Low: 64 °F
Chance
T-storms then
Chance
Showers
Tuesday
High: 81 °F
T-storms
Likely
Tuesday Night
Low: 55 °F
T-storms
Likely
Wednesday
High: 68 °F
Mostly Cloudy
Wednesday Night
Low: 48 °F
Mostly Cloudy
Thursday
High: 72 °F
Partly Sunny
Thursday Night
Low: 55 °F
Mostly Cloudy
then Chance
Showers
Friday
High: 73 °F
Showers
Likely

Detailed Forecast

Tonight

A 40 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 64. South wind 11 to 16 mph, with gusts as high as 24 mph.

Tuesday

Showers and thunderstorms likely, mainly after 4pm. Mostly cloudy, with a high near 81. South wind 10 to 16 mph becoming west in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%.

Tuesday Night

Showers and thunderstorms likely before 1am, then a chance of showers. Cloudy, with a low around 55. Northwest wind 7 to 10 mph. Chance of precipitation is 70%.

Wednesday

Mostly cloudy, with a high near 68. North wind around 10 mph.

Wednesday Night

Mostly cloudy, with a low around 48. Northeast wind around 8 mph.

Thursday

Partly sunny, with a high near 72.

Thursday Night

A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 55.

Friday

Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.

Friday Night

A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 58.

Saturday

A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 30%.

Saturday Night

A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.

Sunday

A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.

Sunday Night

A 30 percent chance of showers. Mostly cloudy, with a low around 62.

Memorial Day

A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.