Skip to content

St. Clair, MO weather radar & alerts

FRANKLIN COUNTY · 38.35°N 90.99°W · UPDATED 4:35 PM CST
50°10° Sunny Feels like 50°10°
H 54°12° · L 27°-3°
WindCalm
Humidity46%
Rain0%
Air quality39 Good
Pressure30.42 in103.0 kPa
Sunset4:51 PM
Now 50°10°
6PM 45°7°
7PM 39°4°
8PM 37°3°
9PM 36°2°
10PM 36°2°

St. Clair radar

Open full radar

Past 60 min

7-day forecast for St. Clair

Today Sunny 54°12° 27°-3° No rain
Mon Sunny 57°14° 28°-2° No rain
Tue Sunny 61°16° 36°2° No rain
Wed Mostly sunny 63°17° 45°7° 2% rain
Thu Mostly sunny 66°19° 46°8° 10% rain
Fri Mostly sunny 70°21° 48°9° 3% rain
Sat Chance light rain 68°20° 43°6° 34% rain

Detailed forecast

Forecast text by the National Weather Service
Today
Sunny. High near 54, with temperatures falling to around 48 in the afternoon. East wind around 1 mph.
Tonight
Mostly clear, with a low around 26. Southeast wind around 1 mph.
Monday
Sunny. High near 57, with temperatures falling to around 48 in the afternoon. Southeast wind around 2 mph.
Monday night
Clear, with a low around 29. Southeast wind around 2 mph.
Tuesday
Sunny. High near 60, with temperatures falling to around 52 in the afternoon. South wind 1 to 6 mph.
Tuesday night
Clear, with a low around 36.
Wednesday
Mostly sunny, with a high near 63.
Wednesday night
Partly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 66.
Thursday night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 69.
Friday night
Mostly clear, with a low around 48.
Saturday
A chance of rain. Mostly sunny, with a high near 68. Chance of precipitation is 30%.
Saturday night
A chance of rain. Partly cloudy, with a low around 43. Chance of precipitation is 30%.

Detailed forecast

Forecast text by the National Weather Service
Today
Sunny. High near 12, with temperatures falling to around 9 in the afternoon. East wind around 2 km/h.
Tonight
Mostly clear, with a low around -3. Southeast wind around 2 km/h.
Monday
Sunny. High near 14, with temperatures falling to around 9 in the afternoon. Southeast wind around 4 km/h.
Monday night
Clear, with a low around -2. Southeast wind around 4 km/h.
Tuesday
Sunny. High near 16, with temperatures falling to around 11 in the afternoon. South wind 2 to 9 km/h.
Tuesday night
Clear, with a low around 2.
Wednesday
Mostly sunny, with a high near 17.
Wednesday night
Partly cloudy, with a low around 7.
Thursday
Mostly sunny, with a high near 19.
Thursday night
Partly cloudy, with a low around 8.
Friday
Mostly sunny, with a high near 21.
Friday night
Mostly clear, with a low around 9.
Saturday
A chance of rain. Mostly sunny, with a high near 20. Chance of precipitation is 30%.
Saturday night
A chance of rain. Partly cloudy, with a low around 6. Chance of precipitation is 30%.
Tropics near St. Clair
No active tropical storms or hurricanes.
Hurricane tracker
Earthquakes within 250 mi400 km
No M2.5+ earthquakes near St. Clair in the last 7 days.
Fire detections within 250 mi400 km 574 satellite detections Nearest 37 mi60 km E, near Crystal City, MO · 39 h ago Fire map

News radio for St. Clair

All stations
90.9 The Bridge Public radio · AAC+ 128k This station plays in the app
Millennial Media Offensive News · MP3 128k This station plays in the app
Tri States Public Radio | TSPR | WIUM Public radio · MP3 96k This station plays in the app
WGLT News / Talk · AAC+ 320k This station plays in the app
91.5 WBEZ-FM Public radio · AAC 63k This station plays in the app
NPR Illinois Public radio · MP3 56k This station plays in the app
WSOY-AM 1340 & 103.3 Decatur, IL News · AAC+ 32k This station plays in the app
WMBD 1470 AM 100.3 FM Peoria News and Talk News · AAC+ 64k This station plays in the app
13 more stations in the app

About St. Clair weather today

St. Clair is sunny at 50°F with calm winds. No weather alerts are in effect right now. No rain or snow is in the forecast for the next seven days. Highs this week range from 54°F to 70°F. Warnings for St. Clair are issued by the National Weather Service.

St. Clair is sunny at 10°C with calm winds. No weather alerts are in effect right now. No rain or snow is in the forecast for the next seven days. Highs this week range from 12°C to 21°C. Warnings for St. Clair are issued by the National Weather Service.

Frequently asked

Is there a weather alert in St. Clair right now?

No. There are no active weather alerts for St. Clair right now. This list updates every minute from the National Weather Service.

No. There are no active weather alerts for St. Clair right now. This list updates every minute from the National Weather Service.

Will it rain in St. Clair this week?

The highest chance of rain in the next seven days is 34% on on Saturday.

The highest chance of rain in the next seven days is 34% on on Saturday.

Is a hurricane heading toward St. Clair?

No. The National Hurricane Center is not tracking any tropical storm or hurricane right now.

No. The National Hurricane Center is not tracking any tropical storm or hurricane right now.

St. Clair at a glance

County
Franklin
NWS office
St. Louis
Time zone
Central (CST)
Sunrise / sunset
6:45 AM / 4:51 PM
Get St. Clair alerts on your phone Free push alerts the moment the National Weather Service issues a warning. Get it on Google Play