Local Forecast

Arnold, MO Weather Forecast & Alerts

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

Active Alerts 1 active

Hour-by-Hour  Current Observation

Saturday 12:45 PM CDTSaturday 12:45 PM

°F °C
Regional Observations →
84°F

Mostly Clear

  • 93° / 73° High / Low
  • 88° Feels Like
  • 0% Chance of Rain

Wind

0 mph

N

UV Index

10

Very High

Humidity

62%

Dew 69°F

Sun

6:09 AM · 8:03 PM

Rise · Set

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

5-Day Outlook

Through Wednesday

Local Radar →

Today

93° 73°

Mostly Sunny

Overnight: Mostly Clear

Detailed forecast

Today

Sunny, with a high near 92. Heat index values as high as 103. West wind around 2 mph.

Night

Clear, with a low around 72. Heat index values as high as 102. Southeast wind around 2 mph.

Sunday

95° 75°

Mostly Sunny

Overnight: Mostly Clear

Detailed forecast

Sunday

Sunny, with a high near 95. Heat index values as high as 107. South wind 2 to 8 mph.

Night

Mostly clear, with a low around 74. Heat index values as high as 105. South wind around 7 mph.

Monday

98° 77°

Mostly Sunny

Overnight: Mostly Clear

Detailed forecast

Monday

Sunny, with a high near 97. Southwest wind around 7 mph.

Night

Mostly clear, with a low around 77.

Tuesday

98° 77°

Mostly Sunny

Overnight: Isolated T-storm

Detailed forecast

Tuesday

Sunny, with a high near 97.

Night

A slight chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 76. Chance of precipitation is 20%.

Wednesday

95° 73°

Chance of Scattered Thunderstorms

Overnight: Chance of Scattered Thunderstorms

Detailed forecast

Wednesday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 94. Chance of precipitation is 20%.

Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 50%.

Arnold, MO Weather Analysis Tools