PACE will reveal how aerosols might fuel phytoplankton growth in the ocean and help identify harmful algal blooms.
St. Louis, MO
Right Now
69°
- Humidity: 78%
- Feels Like: 69°
- Heat Index: 69°
- Wind: 12 mph
- Wind Chill: 69°
- UV Index: 5 Moderate
- Sunrise: 06:06:26 AM
- Sunset: 07:50:31 PM
- Dew Point: 62°
- Visibility: 10 mi
Today
Generally cloudy. High around 80F. Winds S at 15 to 25 mph. Higher wind gusts possible.
Tonight
Thunderstorms early, overcast overnight with occasional rain. Low 63F. Winds S at 10 to 20 mph. Chance of rain 100%. Rainfall near an inch.
Tomorrow
Rain showers early with some sunshine later in the day. High near 75F. Winds W at 5 to 10 mph. Chance of rain 50%.
Next 12 Hours
Time
Temp
Precip
7 AM
69°
2%
7 AM
69°
Wind: S @ 12 mph
Precip: 2% Chance
Humidity: 76%
Wind Chill: 69°
Heat Index: 69°
UV Index: 0 Low
Visibility: 10 mi
8 AM
70°
1%
8 AM
70°
Wind: S @ 13 mph
Precip: 1% Chance
Humidity: 72%
Wind Chill: 70°
Heat Index: 70°
UV Index: 1 Low
Visibility: 10 mi
9 AM
71°
2%
9 AM
71°
Wind: S @ 15 mph
Precip: 2% Chance
Humidity: 64%
Wind Chill: 71°
Heat Index: 71°
UV Index: 2 Low
Visibility: 10 mi
10 AM
73°
2%
10 AM
73°
Wind: S @ 16 mph
Precip: 2% Chance
Humidity: 61%
Wind Chill: 73°
Heat Index: 73°
UV Index: 3 Moderate
Visibility: 10 mi
11 AM
75°
4%
11 AM
75°
Wind: S @ 17 mph
Precip: 4% Chance
Humidity: 57%
Wind Chill: 75°
Heat Index: 75°
UV Index: 4 Moderate
Visibility: 10 mi
12 PM
76°
4%
12 PM
76°
Wind: S @ 18 mph
Precip: 4% Chance
Humidity: 55%
Wind Chill: 76°
Heat Index: 76°
UV Index: 5 Moderate
Visibility: 10 mi
1 PM
77°
4%
1 PM
77°
Wind: S @ 17 mph
Precip: 4% Chance
Humidity: 53%
Wind Chill: 77°
Heat Index: 77°
UV Index: 5 Moderate
Visibility: 10 mi
2 PM
78°
7%
2 PM
78°
Wind: S @ 18 mph
Precip: 7% Chance
Humidity: 51%
Wind Chill: 78°
Heat Index: 80°
UV Index: 5 Moderate
Visibility: 10 mi
3 PM
78°
4%
3 PM
78°
Wind: S @ 19 mph
Precip: 4% Chance
Humidity: 50%
Wind Chill: 78°
Heat Index: 80°
UV Index: 4 Moderate
Visibility: 10 mi
4 PM
79°
7%
4 PM
79°
Wind: S @ 18 mph
Precip: 7% Chance
Humidity: 49%
Wind Chill: 79°
Heat Index: 80°
UV Index: 2 Low
Visibility: 10 mi
5 PM
78°
7%
5 PM
78°
Wind: S @ 16 mph
Precip: 7% Chance
Humidity: 51%
Wind Chill: 78°
Heat Index: 80°
UV Index: 1 Low
Visibility: 10 mi
6 PM
76°
11%
6 PM
76°
Wind: S @ 15 mph
Precip: 11% Chance
Humidity: 54%
Wind Chill: 76°
Heat Index: 76°
UV Index: 0 Low
Visibility: 10 mi
Showers and storms are likely in Illinois and Missouri not just Friday, but Saturday as well. Hail, damaging wind, flooding, and tornadoes are all possible. Find out when and where the threat is greatest for both days in our latest forecast.
In honor of Earth Day, CNN's Chief Climate Correspondant Bill Weir joins the Across the Sky podcast to share stories from his travels.
The tornadoes that struck Thursday started and ended within a period of about three lightening-filled hours of rain.
The threat of severe storms has come to an end in the St. Louis area, but the rain chance will continue for the rest of Thursday evening. Reports of storm damage continue to climb and be assessed.
Heavy rain and lightning are likely Thursday in the St. Louis area with a cold front. Damaging wind and hail are expected in spots and isolated flooding and tornadoes could occur as well. Full details on the timing and hazards in our weather update.
Showers and thunderstorms are likely in St. Louis Tuesday and some could produce damaging hail and wind. A couple of tornadoes can't be ruled out either. Get all the details on the hazards and the timing of the storms in our latest forecast.
Today's Weatherbird
Keep up with the Weatherbird
Antics
The Weatherbird has appeared on the Post-Dispatch's front page since Feb. 11, 1901. In earlier appearances, the 'Bird often illustrated the weather, but more recently, he quips on various news topics. The Weatherbird is the oldest continuously running daily cartoon in American journalism.
The weather team talks with meteorologist Emily Gracey from The National Weather Desk and host of the Off The Radar podcast about the world of digital meteorology.
According to Matthew Elliott, a meteorologist at the National Oceanic and Atmospheric Administration, Illinois experienced 118 tornadoes last year — the third most in its history.
Climate scientists attribute most of the record heat to human-caused climate change from carbon dioxide and methane emissions produced by the burning of coal, oil and natural gas.
The much anticipated solar eclipse cast darkness across a narrow swath 15 states Monday afternoon. Meteorologists Joe Martucci and Kirsten Lang recap the event. Plus, learn when the next total solar eclipse will happen.
Colorado State University, one of the premier organizations behind hurricane seasonal forecasting, has issued its most aggressive seasonal hurricane outlook on record.
The solar eclipse will cast darkness across southeast Missouri on Monday. Lee Weather Team Meteorologist Joe Martucci looks at the cloud cover forecast to help find the best viewing conditions.