St. Louis, MO
97°
Feels like: 106°FSunny
6:32 am7:26 pm CDT
Wind: 5mph S
Humidity: 41%
Pressure: 29.87"Hg
UV index: 0
8 pm9 pm10 pm11 pm12 am
93°F
90°F
86°F
84°F
82°F
90°F
86°F
84°F
82°F
SatSunMonTueWed
100°F / 72°F
90°F / 64°F
90°F / 63°F
95°F / 73°F
97°F / 72°F
90°F / 64°F
90°F / 63°F
95°F / 73°F
97°F / 72°F
Weather forecast for today
In St. Louis, during the evening and into the night, few clouds may appear, but the sky remains mostly clear. The lowest temperature will be a moderately hot 77°F. Sunrise was at 6:32 am and sunset will be at 7:26 pm; the daylight will last for 12h and 53min.
Weather forecast for tomorrow
Tomorrow, on Saturday, September 5, mostly clear skies and sunshine will create ideal daytime conditions. Temperature readings will considerable fluctuate from a daytime peak of a torrid 100.4°F to a nighttime low of an agreeable 71.6°F. The maximum heat index, which adjusts the air temperature based on humidity, is assessed at a burning hot 120.2°F. Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit degrees. The forecast high of 100.4°F aligns more closely with August's typical high of 88°F than with September's usual 80.2°F. Sunrise will be at 6:33 am and sunset at 7:25 pm; tomorrow's daylight will last for 12h and 51min.
Long term weather forecast
Looking ahead, conditions suggest a period of primarily sunny and occasionally overcast and wet weather is expected. With minimal precipitation of 0.12", rainfall is anticipated on Wednesday and Thursday. Temperature variation will be noticeable over the next several days. Forecast highs will fluctuate between 84.2°F and 100.4°F, while the difference in minimum temperatures will be also substantial, as nighttime lows are forecast to fall between 62.6°F and 77°F. The hottest day will be Saturday, with a maximum of 100.4°F; expect the coldest day on Thursday with a high of 84.2°F. Including the humidity's impact, the maximum feel-like temperature may increase significantly and vary between a tropical 89.6°F and a blazing hot 120.2°F.
In St. Louis, during the evening and into the night, few clouds may appear, but the sky remains mostly clear. The lowest temperature will be a moderately hot 77°F. Sunrise was at 6:32 am and sunset will be at 7:26 pm; the daylight will last for 12h and 53min.
Weather forecast for tomorrow
Tomorrow, on Saturday, September 5, mostly clear skies and sunshine will create ideal daytime conditions. Temperature readings will considerable fluctuate from a daytime peak of a torrid 100.4°F to a nighttime low of an agreeable 71.6°F. The maximum heat index, which adjusts the air temperature based on humidity, is assessed at a burning hot 120.2°F. Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit degrees. The forecast high of 100.4°F aligns more closely with August's typical high of 88°F than with September's usual 80.2°F. Sunrise will be at 6:33 am and sunset at 7:25 pm; tomorrow's daylight will last for 12h and 51min.
Long term weather forecast
Looking ahead, conditions suggest a period of primarily sunny and occasionally overcast and wet weather is expected. With minimal precipitation of 0.12", rainfall is anticipated on Wednesday and Thursday. Temperature variation will be noticeable over the next several days. Forecast highs will fluctuate between 84.2°F and 100.4°F, while the difference in minimum temperatures will be also substantial, as nighttime lows are forecast to fall between 62.6°F and 77°F. The hottest day will be Saturday, with a maximum of 100.4°F; expect the coldest day on Thursday with a high of 84.2°F. Including the humidity's impact, the maximum feel-like temperature may increase significantly and vary between a tropical 89.6°F and a blazing hot 120.2°F.