National Weather Service United States Department of Commerce

Significant threat for flash flooding continues across the southwestern U.S.

Heavy precipitation continues to be forecast for much of the Southwest U.S. this week due to the remnants of weakening Tropical Storm Odile. The heavy rainfall will be concentrated across southern Arizona, southern New Mexico and western Texas where 3 to 6 inches could fall through Friday, with some locales receiving up to 9 inches. Flash Flood Watches remain in effect for much of this area.
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Current Conditions

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Herculaneum MO

7 Day Forecast

For More Weather Information:

Saint Louis, MO Local Forecast Office

Today

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 70 °F

Tonight

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 56 °F

Thursday

Mostly Sunny

Mostly
Sunny

High: 74 °F

Thursday
Night

Mostly Clear

Mostly
Clear

Low: 54 °F

Friday

Sunny

Sunny

High: 80 °F

Friday
Night

Mostly Clear

Mostly
Clear

Low: 62 °F

Saturday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 83 °F

Saturday
Night

Thunderstorms Likely Chance for Measurable Precipitation 60%

Thunderstorms
Likely

Low: 65 °F

Sunday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 79 °F

Detailed Forecast

  • Today A 30 percent chance of showers and thunderstorms, mainly before 4pm. Cloudy, with a high near 70. Southeast wind around 6 mph.
  • Tonight A 20 percent chance of showers and thunderstorms before 4am. Mostly cloudy, with a low around 56. Light east wind.
  • Thursday Mostly sunny, with a high near 74. Calm wind becoming east around 6 mph in the morning.
  • Thursday Night Mostly clear, with a low around 54. East wind around 5 mph becoming calm in the evening.
  • Friday Sunny, with a high near 80. Calm wind becoming southeast 5 to 7 mph in the morning.
  • Friday Night Mostly clear, with a low around 62.
  • Saturday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
  • Saturday Night Showers and thunderstorms likely. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
  • Sunday A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79.
  • Sunday Night Mostly clear, with a low around 56.
  • Monday Sunny, with a high near 76.
  • Monday Night Mostly clear, with a low around 52.
  • Tuesday Mostly sunny, with a high near 72.