Saint Louis, Missouri

Saint Louis Science Center, Saint Louis County

Online - July 4, 2026, 11:40 am CDT
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Saint Louis Science Center is currently down.

Data is currently unavailable due to technical difficulties. We are currently working on getting this issue fixed. We apologize for the inconvenience.

Current Conditions (updated every 5 minutes)

Temperature:
89.7°F
Dew Point:
71.5°F
Heat Index:
96.4°F
Humidity:
55%
Today's Precipitation:¹²
0.00 in.
Wind Speed:
2.1 MPH
Peak Wind Gust:
5.5 MPH
Wind Dir:
S
Baro. Pressure:
30.00 in. ↔
More...

Summary

Today:¹
Yesterday:
Max Temp:
Time:
90.5°F
10:21 am
94.4°F
4:30 pm
Min Temp:
Time:
76.8°F
4:50 am
78.2°F
5:45 am
Precipitation:²
0.00 in.
0.00 in.
Peak Wind Gusts:
Time:
10.0 MPH
7:33 am
15.5 MPH
12:56 pm
Estimated ET:³
0.20 in.
Avg Soil 2 Temp:*
87.6°F
Sunrise:
5:42 am
Sunset:
8:29 pm
More...

St. Louis City Forecast

..Extreme Heat Warning In Effect Until 8 Pm Cdt This Evening:

Today:
Sunny this morning, then becoming partly sunny. A chance of showers and thunderstorms. Highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 105.

Tonight:
Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers and thunderstorms. Humid with lows in the lower 70s. Southwest winds around 5 mph. Chance of rain 50 percent. Heat index values up to 100 early in the evening.

Sunday:
Partly sunny with a chance of showers and thunderstorms. Humid with highs in the upper 80s. Northwest winds 5 to 10 mph. Chance of rain 40 percent.

More...
Missouri Climate Center forecast based on information obtained from the National Weather Service. For more information, please contact Dr. Pat Guinan at 573-882-5908.

¹ Since midnight | ² Ice or snow not recorded | ³ Short crop | * Bare Soil


More info about the station

St. Louis City Forecast | As of Sat Jul 4, 2026 - 7:38 AM CDT

..Extreme Heat Warning In Effect Until 8 Pm Cdt This Evening

Today
Sunny this morning, then becoming partly sunny. A chance of showers and thunderstorms. Highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 105.

Tonight
Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers and thunderstorms. Humid with lows in the lower 70s. Southwest winds around 5 mph. Chance of rain 50 percent. Heat index values up to 100 early in the evening.

Sunday
Partly sunny with a chance of showers and thunderstorms. Humid with highs in the upper 80s. Northwest winds 5 to 10 mph. Chance of rain 40 percent.

Sunday Night
Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows around 70. Northwest winds 5 to 10 mph in the evening, becoming light and variable. Chance of rain 50 percent.

Monday
Partly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. North winds around 5 mph. Chance of rain 40 percent.

Monday Night And Tuesday
Partly cloudy. A slight chance of showers and thunderstorms. Lows around 70. Highs in the upper 80s. Chance of rain 20 percent.

Tuesday Night
Partly cloudy in the evening, then becoming mostly clear. Lows around 70.

Wednesday And Wednesday Night
Mostly clear. A slight chance of showers and thunderstorms. Highs around 90. Lows in the lower 70s. Chance of rain 20 percent.

Thursday
Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 105.

Thursday Night And Friday
Partly cloudy. A chance of showers and thunderstorms. Lows in the lower 70s. Highs around 90. Chance of rain 50 percent. Heat index values up to 100.

Saint Louis, Missouri

Saint Louis Science Center, Saint Louis

Summary
Yesterday - July 3, 2026

Max Temp:
Time:
94.4°F
4:30 pm
Min Temp:
Time:
78.2°F
5:45 am
Peak Wind Gust:
Time:
15.5 mph
12:56 pm
Precipitation:
0.00 in.
Estimated ET:³
0.20 in.
Avg Soil 2 Temp:*
87.6°F
Avg Soil 4 Temp:*
86.3°F
Avg Sod Soil 2 Temp:
81.0°F
Avg Sod Soil 4 Temp:
80.4°F

¹ Since midnight | ² Ice or snow not recorded | ³ Short crop | * Bare Soil

Saint Louis, Missouri

Saint Louis Science Center, Saint Louis

Current Conditions | As of July 4, 2026, 11:40 am

Temperature:
89.7°F
Dewpoint:
71.5°F
Heat Index:
96.4°F
Humidity:
55%
Today's Precipitation:¹ ²
0.00 in.
Wind Speed:
2.1 MPH
Peak Wind Gust:
5.5 MPH
Wind Dir.:
S
Baro. Pressure:
30.00 in. ↔
Solar Radiation:
370.8 W/m²
Leaf Wetness:
Dry

¹ Since midnight | ² Ice or snow not recorded

Saint Louis, Missouri

Saint Louis Science Center (Saint Louis) Weather Data Archive

Saint Louis Science Center weather station is part of the University of Missouri Extension
Commercial Agriculture Automated Weather Station Network



Saint Louis, Missouri
map
Lat: 38.630813°, Lon: -90.270785°

NWS - Missouri Radar
Saint Louis Science Center