Ballwin, MO 63021 Hourly Weather

St. Louis County3:52 PM CDT38.58°N, 90.53°W

Next 48 hours

3 PM 6 PM 9 PM Thu Oct 22 12 AM 3 AM 6 AM 9 AM 12 PM 3 PM 6 PM 9 PM Fri Oct 23 12 AM 3 AM 6 AM 9 AM 12 PM 45° 50° 55° 60° 65° 70° 75° %
TemperatureFeels likeChance of precipitationNight
Wednesday, October 219 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
3 PM Sunny 74° 74° 1% 0.00 in Calm 43% 50° 19% 3
4 PM Sunny 75° 75° 1% 0.00 in Calm 41% 50° 19% 1
5 PM Sunny 73° 73° 1% 0.00 in Calm 44% 50° 19% 0
6 PM Mostly Clear 70° 70° 1% 0.00 in Calm 53% 52° 18% 0
7 PM Mostly Clear 66° 66° 1% 0.00 in Calm 63% 53° 15% 0
8 PM Mostly Clear 61° 61° 1% 0.00 in Calm 72% 52° 13% 0
9 PM Mostly Clear 58° 58° 1% 0.00 in Calm 80% 52° 14% 0
10 PM Mostly Clear 57° 57° 1% 0.00 in Calm 83% 52° 12% 0
11 PM Mostly Clear 55° 55° 1% 0.00 in Calm 86% 51° 11% 0
Thursday, October 2224 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 53° 53° 1% 0.00 in Calm 89% 50° 11% 0
1 AM Mostly Clear 52° 52° 1% 0.00 in Calm 93% 50° 13% 0
2 AM Mostly Clear 51° 51° 1% 0.00 in Calm 96% 50° 15% 0
3 AM Mostly Clear 50° 50° 1% 0.00 in Calm 100% 50° 16% 0
4 AM Mostly Clear 49° 49° 1% 0.00 in Calm 100% 49° 16% 0
5 AM Mostly Clear 48° 48° 1% 0.00 in Calm 100% 48° 10% 0
6 AM Sunny 48° 48° 1% 0.00 in Calm 100% 48° 4% 0
7 AM Sunny 47° 47° 1% 0.00 in Calm 100% 47° 3% 0
8 AM Sunny 49° 49° 1% 0.00 in Calm 100% 49° 1% 0
9 AM Sunny 53° 53° 1% 0.00 in Calm 96% 52° 1% 1
10 AM Sunny 63° 63° 0% 0.00 in Calm 70% 53° 0% 2
11 AM Sunny 68° 68° 0% 0.00 in Calm 59% 53° 0% 4
12 PM Sunny 72° 72° 0% 0.00 in Calm 51% 53° 1% 4
1 PM Sunny 74° 74° 0% 0.00 in Calm 48% 53° 2% 5
2 PM Sunny 75° 75° 0% 0.00 in Calm 46% 53° 1% 4
3 PM Sunny 76° 76° 0% 0.00 in N 1 45% 53° 1% 2
4 PM Sunny 77° 77° 0% 0.00 in N 1 42% 52° 1% 1
5 PM Sunny 75° 75° 0% 0.00 in Calm 45% 52° 2% 0
6 PM Clear 72° 72° 0% 0.00 in Calm 53% 54° 1% 0
7 PM Clear 68° 68° 0% 0.00 in Calm 61% 54° 3% 0
8 PM Clear 63° 63° 0% 0.00 in Calm 72% 54° 1% 0
9 PM Clear 61° 61° 0% 0.00 in Calm 78% 54° 1% 0
10 PM Clear 59° 59° 0% 0.00 in Calm 80% 53° 2% 0
11 PM Clear 57° 57° 0% 0.00 in Calm 83% 52° 4% 0
Friday, October 2324 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Clear 55° 55° 0% 0.00 in Calm 90% 52° 2% 0
1 AM Clear 54° 54° 0% 0.00 in Calm 93% 52° 2% 0
2 AM Clear 53° 53° 0% 0.00 in Calm 93% 51° 1% 0
3 AM Clear 52° 52° 0% 0.00 in Calm 96% 51° 1% 0
4 AM Clear 50° 50° 0% 0.00 in Calm 100% 50° 3% 0
5 AM Clear 50° 50° 0% 0.00 in Calm 100% 50° 2% 0
6 AM Sunny 49° 49° 0% 0.00 in Calm 100% 49° 3% 0
7 AM Sunny 48° 48° 0% 0.00 in SE 1 100% 48° 1% 0
8 AM Sunny 50° 50° 0% 0.00 in SE 1 100% 50° 0% 0
9 AM Sunny 55° 55° 0% 0.00 in SE 1 90% 52° 1% 1
10 AM Sunny 62° 62° 0% 0.00 in SE 2 72% 53° 1% 2
11 AM Sunny 67° 67° 0% 0.00 in SE 3 61% 53° 1% 3
12 PM Sunny 71° 71° 0% 0.00 in SE 3 G8 53% 53° 1% 4
1 PM Sunny 73° 73° 0% 0.00 in SE 5 49% 53° 1% 5
2 PM Sunny 76° 76° 0% 0.00 in SE 5 45% 53° 2% 4
3 PM Sunny 76° 76° 0% 0.00 in SE 5 43% 52° 2% 3
4 PM Sunny 76° 76° 0% 0.00 in SE 5 43% 52° 3% 1
5 PM Sunny 74° 74° 0% 0.00 in SE 5 48% 53° 6% 0
6 PM Mostly Clear 71° 71° 0% 0.00 in SE 3 53% 53° 8% 0
7 PM Mostly Clear 67° 67° 0% 0.00 in SE 3 63% 54° 11% 0
8 PM Mostly Clear 64° 64° 0% 0.00 in SE 3 70% 54° 14% 0
9 PM Mostly Clear 61° 61° 0% 0.00 in SE 3 75% 53° 17% 0
10 PM Mostly Clear 58° 58° 0% 0.00 in SE 3 80% 52° 20% 0
11 PM Mostly Clear 56° 56° 0% 0.00 in SE 3 83% 51° 21% 0
Saturday, October 2424 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Clear 55° 55° 0% 0.00 in SE 2 86% 51° 22% 0
1 AM Mostly Clear 54° 54° 0% 0.00 in SE 2 86% 50° 23% 0
2 AM Mostly Clear 53° 53° 0% 0.00 in SE 2 89% 50° 22% –
3 AM Mostly Clear 51° 51° 0% 0.00 in SE 2 93% 49° 22% –
4 AM Mostly Clear 50° 50° 0% 0.00 in SE 2 96% 49° 21% –
5 AM Mostly Clear 49° 49° 0% 0.00 in SE 2 96% 48° 24% –
6 AM Mostly Sunny 48° 48° 0% 0.00 in SE 2 100% 48° 27% –
7 AM Mostly Sunny 48° 48° 0% 0.00 in SE 2 100% 48° 30% –
8 AM Mostly Sunny 51° 51° 0% 0.00 in SE 2 93% 49° 32% –
9 AM Mostly Sunny 56° 56° 0% 0.00 in SE 3 83% 51° 33% –
10 AM Mostly Sunny 61° 61° 0% 0.00 in SE 3 72% 52° 35% –
11 AM Mostly Sunny 65° 65° 0% 0.00 in SE 3 63% 52° 39% –
12 PM Mostly Sunny 70° 70° 0% 0.00 in SE 5 53% 52° 44% –
1 PM Mostly Sunny 73° 73° 0% 0.00 in SE 5 46% 51° 48% –
2 PM Mostly Sunny 75° 75° 0% 0.00 in SE 5 43% 51° 48% –
3 PM Mostly Sunny 76° 76° 0% 0.00 in SE 3 G8 40% 50° 48% –
4 PM Mostly Sunny 76° 76° 0% 0.00 in SE 3 G8 40% 50° 48% –
5 PM Partly Sunny 74° 74° 0% 0.00 in SE 3 G8 44% 51° 51% –
6 PM Mostly Cloudy 71° 71° 0% 0.00 in SE 3 49% 51° 53% –
7 PM Mostly Cloudy 68° 68° 0% 0.00 in SE 3 57% 52° 55% –
8 PM Mostly Cloudy 64° 64° 0% 0.00 in SE 3 65% 52° 55% –
9 PM Mostly Cloudy 61° 61° 0% 0.00 in SE 2 72% 52° 55% –
10 PM Mostly Cloudy 58° 58° 0% 0.00 in SE 2 80% 52° 55% –
11 PM Mostly Cloudy 56° 56° 0% 0.00 in SE 2 83% 51° 55% –
Sunday, October 2524 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Cloudy 56° 56° 0% 0.00 in S 1 83% 51° 55% –
1 AM Mostly Cloudy 55° 55° 0% 0.00 in S 1 83% 50° 64% –
2 AM Mostly Cloudy 54° 54° 0% 0.00 in S 1 86% 50° 64% –
3 AM Mostly Cloudy 53° 53° 0% 0.00 in S 1 86% 49° 64% –
4 AM Mostly Cloudy 52° 52° 0% 0.00 in S 1 89% 49° 64% –
5 AM Mostly Cloudy 50° 50° 0% 0.00 in S 1 93% 48° 64% –
6 AM Partly Sunny 49° 49° 0% 0.00 in S 1 93% 47° 64% –
7 AM Partly Sunny 50° 50° 0% 0.00 in S 1 89% 47° 60% –
8 AM Partly Sunny 54° 54° 0% 0.00 in S 1 80% 48° 60% –
9 AM Partly Sunny 59° 59° 0% 0.00 in S 2 72% 50° 60% –
10 AM Partly Sunny 64° 64° 0% 0.00 in S 2 63% 51° 60% –
11 AM Partly Sunny 69° 69° 0% 0.00 in S 2 53% 51° 60% –
12 PM Partly Sunny 73° 73° 0% 0.00 in S 2 46% 51° 60% –
1 PM Partly Sunny 76° 76° 0% 0.00 in S 2 42% 51° 67% –
2 PM Partly Sunny 78° 78° 0% 0.00 in S 2 39% 51° 67% –
3 PM Partly Sunny 79° 79° 0% 0.00 in S 2 38% 51° 67% –
4 PM Partly Sunny 78° 78° 0% 0.00 in S 2 39% 51° 67% –
5 PM Partly Sunny 76° 76° 0% 0.00 in S 2 43% 52° 67% –
6 PM Mostly Cloudy 73° 73° 0% 0.00 in SE 2 48% 52° 67% –
7 PM Mostly Cloudy 69° 69° 0% 0.00 in SE 2 57% 53° 71% –
8 PM Mostly Cloudy 66° 66° 0% 0.00 in SE 2 63% 53° 71% –
9 PM Mostly Cloudy 63° 63° 0% 0.00 in S 2 70% 53° 71% –
10 PM Mostly Cloudy 60° 60° 0% 0.00 in S 2 75% 52° 71% –
11 PM Mostly Cloudy 58° 58° 0% 0.00 in S 2 77% 51° 71% –
Monday, October 2624 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Cloudy 57° 57° 0% 0.00 in S 1 80% 51° 71% –
1 AM Mostly Cloudy 56° 56° 0% 0.00 in S 1 80% 50° 68% –
2 AM Mostly Cloudy 55° 55° 0% 0.00 in S 1 83% 50° 68% –
3 AM Mostly Cloudy 53° 53° 0% 0.00 in S 1 86% 49° 68% –
4 AM Mostly Cloudy 52° 52° 0% 0.00 in S 1 89% 49° 68% –
5 AM Mostly Cloudy 51° 51° 0% 0.00 in S 1 89% 48° 68% –
6 AM Partly Sunny 50° 50° 0% 0.00 in S 1 93% 48° 68% –
7 AM Partly Sunny 51° 51° 0% 0.00 in S 1 89% 48° 64% –
8 AM Partly Sunny 54° 54° 0% 0.00 in S 1 83% 49° 64% –
9 AM Partly Sunny 58° 58° 0% 0.00 in S 1 77% 51° 64% –
10 AM Partly Sunny 63° 63° 0% 0.00 in S 1 67% 52° 64% –
11 AM Partly Sunny 67° 67° 0% 0.00 in S 1 59% 52° 64% –
12 PM Partly Sunny 71° 71° 0% 0.00 in S 2 51% 52° 64% –
1 PM Partly Sunny 74° 74° 0% 0.00 in S 2 44% 51° 59% –
2 PM Partly Sunny 76° 76° 0% 0.00 in S 2 42% 51° 59% –
3 PM Partly Sunny 77° 77° 0% 0.00 in S 2 40% 51° 59% –
4 PM Partly Sunny 76° 76° 0% 0.00 in S 2 42% 51° 59% –
5 PM Partly Sunny 74° 74° 0% 0.00 in S 2 46% 52° 59% –
6 PM Mostly Cloudy 71° 71° 0% 0.00 in SE 1 53% 53° 59% –
7 PM Mostly Cloudy 68° 68° 0% 0.00 in SE 1 61% 54° 67% –
8 PM Mostly Cloudy 65° 65° 0% 0.00 in SE 1 68% 54° 67% –
9 PM Mostly Cloudy 62° 62° 0% 0.00 in S 1 75% 54° 67% –
10 PM Mostly Cloudy 60° 60° 0% 0.00 in S 1 78% 53° 67% –
11 PM Mostly Cloudy 58° 58° 0% 0.00 in S 1 83% 53° 67% –
Tuesday, October 2724 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Cloudy 56° 56° 0% 0.00 in S 1 86% 52° 67% –
1 AM Mostly Cloudy 55° 55° 2% 0.00 in S 1 90% 52° 73% –
2 AM Mostly Cloudy 54° 54° 2% 0.00 in S 1 90% 51° 73% –
3 AM Mostly Cloudy 53° 53° 2% 0.00 in S 1 93% 51° 73% –
4 AM Mostly Cloudy 52° 52° 2% 0.00 in S 1 93% 50° 73% –
5 AM Mostly Cloudy 51° 51° 2% 0.00 in S 1 93% 49° 73% –
6 AM Mostly Cloudy 50° 50° 2% 0.00 in S 1 96% 49° 73% –
7 AM Partly Sunny 51° 51° 3% 0.00 in S 1 93% 49° 60% –
8 AM Partly Sunny 53° 53° 3% 0.00 in S 2 89% 50° 60% –
9 AM Partly Sunny 56° 56° 3% 0.00 in S 2 83% 51° 60% –
10 AM Partly Sunny 60° 60° 3% 0.00 in S 3 75% 52° 60% –
11 AM Partly Sunny 63° 63° 3% 0.00 in S 3 67% 52° 60% –
12 PM Partly Sunny 67° 67° 3% 0.00 in S 3 59% 52° 60% –
1 PM Partly Sunny 69° 69° 1% 0.00 in S 3 55% 52° 51% –
2 PM Partly Sunny 71° 71° 1% 0.00 in S 3 51% 52° 51% –
3 PM Partly Sunny 71° 71° 1% 0.00 in S 3 49% 51° 51% –
4 PM Partly Sunny 71° 71° 1% 0.00 in S 3 49% 51° 51% –
5 PM Partly Sunny 70° 70° 1% 0.00 in SW 3 53% 52° 51% –
6 PM Mostly Cloudy 68° 68° 1% 0.00 in NW 2 59% 53° 51% –
7 PM Mostly Cloudy 65° 65° 2% 0.00 in NW 2 68% 54° 66% –
8 PM Mostly Cloudy 62° 62° 2% 0.00 in NW 2 75% 54° 66% –
9 PM Mostly Cloudy 59° 59° 2% 0.00 in NW 2 80% 53° 66% –
10 PM Mostly Cloudy 57° 57° 2% 0.00 in NW 2 83% 52° 66% –
11 PM Mostly Cloudy 55° 55° 2% 0.00 in NW 2 86% 51° 66% –
Wednesday, October 281 hours
Time Conditions Temp Feels Precip Amount Wind Humidity Dew point Clouds UV
12 AM Mostly Cloudy 54° 54° 2% 0.00 in NW 1 90% 51° 66% –

National Weather Service forecast updated 2 hrs ago. Precipitation amounts are the forecast liquid equivalent for each hour.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use.