Local Forecast

Arnold, MO Weather Forecast & Alerts

Current conditions, 5-day forecast, active weather alerts for Arnold, MO

Active Alerts 2 active

Hour-by-Hour  Current Observation

Tuesday 5:05 PM CDTTuesday 5:05 PM

°F °C
Regional Observations →
98°F

Clear

  • 100° / 77° High / Low
  • 104° Feels Like
  • 0% Chance of Rain

Wind

5 mph

W

UV Index

5

Moderate

Humidity

37%

Dew 68°F

Sun

6:32 AM · 7:30 PM

Rise · Set

Source: ST LOUIS/SPIRIT (KSUS). Slider scrubs the next 12 hours.

5-Day Outlook

Through Saturday

Local Radar →

Today

100° 77°

Mostly Sunny

Overnight: Mostly Clear

Detailed forecast

Today

Sunny, with a high near 99. Heat index values as high as 104. Southwest wind around 3 mph.

Night

Clear, with a low around 77. Heat index values as high as 103. South wind around 5 mph.

Wednesday

100° 77°

Partly Sunny

Overnight: Mostly Clear

Detailed forecast

Wednesday

Sunny, with a high near 99. Heat index values as high as 104. Southwest wind around 6 mph.

Night

Mostly clear, with a low around 76. Heat index values as high as 101. South wind around 6 mph.

Thursday

100° 78°

Mostly Sunny

Overnight: Clear

Detailed forecast

Thursday

Sunny, with a high near 100. Southwest wind around 6 mph.

Night

Mostly clear, with a low around 78.

Friday

100° 78°

Mostly Sunny

Overnight: Mostly Clear

Detailed forecast

Friday

Sunny, with a high near 100.

Night

Mostly clear, with a low around 77.

Saturday

100° 75°

Mostly Sunny

Overnight: Slight Chance of Showers

Detailed forecast

Saturday

Sunny, with a high near 99.

Night

A slight chance of rain showers after 1am. Partly cloudy, with a low around 74. Chance of precipitation is 20%.

Arnold, MO Weather Analysis Tools