ARNOLD, MO 63010 Weather Forecast & Current Conditions

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EAST ST. LOUIS, IL
Current Weather

3:53 AM CDT APR 3, 2026
Overcast
64°F
Feels Like: 65°F
Dewpoint: 55°F
Rel. Hum.: 73%
Visibility: 10 miles
Wind: N at 3 mph
Pressure: 29.95 inches
Last 72 hours

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ARNOLD, MO 63010
Weather Forecast

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Snow Depth pages
TODAY
Partly sunny with a slight chance of showers and thunderstorms. Highs in the lower 80s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.
TONIGHT
A chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Lows in the upper 50s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.
SATURDAY
Showers with a chance of thunderstorms in the morning, then a slight chance of showers in the afternoon. Much cooler. Less humid with highs in the lower 60s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.
SATURDAY NIGHT
Partly cloudy in the evening, then clearing. Much cooler with lows in the upper 30s. Northwest winds 10 to 15 mph, diminishing to around 5 mph after midnight.
SUNDAY
Sunny. Highs around 60. Northwest winds 5 to 10 mph with gusts up to 20 mph.
SUNDAY NIGHT
Clear. Lows in the upper 30s.
MONDAY
Sunny. Highs in the lower 60s.
MONDAY NIGHT THROUGH TUESDAY NIGHT
Partly cloudy. Lows in the upper 30s. Highs in the mid 50s.
WEDNESDAY
Partly sunny. Not as cool with highs in the lower 70s.
WEDNESDAY NIGHT
Mostly clear. Not as cool with lows in the lower 50s.
THURSDAY
Mostly sunny. A slight chance of showers in the afternoon. Highs in the mid 70s. Chance of rain 20 percent.

Visible Weather Satellite
ARNOLD, MO 63010
Infrared Weather Satellite
ARNOLD, MO 63010
NEXRAD Weather Radar
ARNOLD, MO 63010

EAST ST. LOUIS, IL 3 hourly weather forecast

weather forecast created  5:00 PM MST  4/ 2/2026
Friday
3 APR 2026
ARNOLD, MO 63010 weather forecast Day 1, 0 hours 12 AM 67° 67° Mostly Cloudy 42%
RAIN
***
0% Thunder
( 22% severe)
SW   8 81% 61°
Low 62° ARNOLD, MO 63010 weather forecast Day 1, 3 hours 3 AM 64° 65° Mostly Cloudy WSW   3 87% 60°
High 81° ARNOLD, MO 63010 weather forecast Day 1, 6 hours 6 AM 63° 64° Mostly Cloudy 30%
RAIN
.01–.1 in
0% Thunder
( 18% severe)
ESE   3 87% 59°

Mostly Cloudy

Chance of Rain

ARNOLD, MO 63010 weather forecast Day 1, 9 hours 9 AM 70° 70° Mostly Cloudy S   10 81% 64°
ARNOLD, MO 63010 weather forecast Day 1, 12 hours 12 PM 76° 78° Mostly Cloudy 32%
RAIN
.01–.1 in
0% Thunder
( 29% severe)
S   13 69% 65°
ARNOLD, MO 63010 weather forecast Day 1, 15 hours 3 PM 79° 81° Mostly Cloudy S   14 60% 64°
ARNOLD, MO 63010 weather forecast Day 1, 18 hours 6 PM 76° 78° Mostly Cloudy 63%
RAIN
.25–.5 in
0% Thunder
( 29% severe)
S   12 62% 62°
ARNOLD, MO 63010 weather forecast Day 1, 21 hours 9 PM 72° 72° Mostly Cloudy S   12 71% 62°
Saturday
4 APR 2026
ARNOLD, MO 63010 weather forecast Day 2, 0 hours 12 AM 70° 70° Mostly Cloudy 91%
RAIN
***
0% Thunder
( 35% severe)
SSW   12 76% 62°
Low 55° ARNOLD, MO 63010 weather forecast Day 2, 3 hours 3 AM 66° 66° Mostly Cloudy WSW   10 84% 61°
High 64° ARNOLD, MO 63010 weather forecast Day 2, 6 hours 6 AM 62° 61° Mostly Cloudy 77%
RAIN
***
0% Thunder
( 11% severe)
WSW   9 84% 57°

Mostly Cloudy

Rain Likely

ARNOLD, MO 63010 weather forecast Day 2, 9 hours 9 AM 58° 56° Mostly Cloudy W   12 83% 53°
ARNOLD, MO 63010 weather forecast Day 2, 12 hours 12 PM 57° 54° Mostly Cloudy 24%
RAIN
.5–1 in
0% Thunder
( 1% severe)
WNW   14 69% 47°
ARNOLD, MO 63010 weather forecast Day 2, 15 hours 3 PM 58° 55° Mostly Cloudy WNW   14 55% 42°
ARNOLD, MO 63010 weather forecast Day 2, 18 hours 6 PM 54° 51° Partly Cloudy 4%

0% Thunder
( 1% severe)
WNW   12 55% 38°
ARNOLD, MO 63010 weather forecast Day 2, 21 hours 9 PM 49° 45° Partly Cloudy WNW   9 61% 36°

EAST ST. LOUIS, IL extended weather forecast

Sunday
5 APR 2026
Monday
6 APR 2026
Tuesday
7 APR 2026
Wednesday
8 APR 2026
Thursday
9 APR 2026
Low 37° Low 37° Low 33° Low 36° Low 48°
High 60° High 61° High 55° High 65° High 71°
ARNOLD, MO 63010 weather forecast Day 3 ARNOLD, MO 63010 weather forecast Day 4 ARNOLD, MO 63010 weather forecast Day 5 ARNOLD, MO 63010 weather forecast Day 6 ARNOLD, MO 63010 weather forecast Day 7
Clear
14% Rain
Mostly Cloudy
22% Rain
Mostly Cloudy
26% Rain
Clear
18% Rain
Partly Cloudy
24% Rain
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