OLD ALEXANDRIA, MO 63379 Weather Forecast & Current Conditions
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  63379 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

ST. CHARLES, MO
Current Weather
2:54 AM CDT JUN 9, 2026
Broken Clouds
73°F
Feels Like: 73°F
Dewpoint: 73°F
Rel. Hum.: 100%
Visibility: 10 miles
Wind: Calm
Pressure: 29.96 inches
Last 72 hours

Local Area Snow Depth

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(Automated weather data from NWS/FAA)
  63379 WEATHER FORECAST
10-Day model forecast maps
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OLD ALEXANDRIA, MO 63379
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
TODAY
Partly sunny. Showers likely with a chance of thunderstorms this morning. Some thunderstorms may produce heavy rainfall this morning. Highs around 90. Southwest winds 5 to 10 mph. Chance of rain 70 percent. Heat index values up to 108 this afternoon.
TONIGHT
Mostly clear. Humid with lows in the lower 70s. Southwest winds around 5 mph with gusts up to 20 mph. Heat index values up to 107 early in the evening.
WEDNESDAY
Sunny with highs in the lower 90s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Heat index values up to 103.
WEDNESDAY NIGHT
Mostly clear with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent. Heat index values up to 103 early in the evening.
THURSDAY
Sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50 percent. Heat index values up to 105.
THURSDAY NIGHT
Showers with a chance of thunderstorms in the evening, then a slight chance of showers and thunderstorms after midnight. Lows in the mid 60s. Chance of rain 80 percent. Heat index values up to 100 early in the evening.
FRIDAY AND FRIDAY NIGHT
Mostly clear. Highs in the mid 80s. Lows in the lower 60s.
SATURDAY
Mostly sunny. A chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent.
SATURDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms in the evening. A chance of showers. Lows in the mid 60s. Chance of rain 50 percent.
SUNDAY
Partly sunny. A chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 50 percent.
SUNDAY NIGHT
A chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows around 60. Chance of rain 40 percent.
MONDAY
Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 20 percent.

  63379 WEATHER SATELLITE LOOPS
Visible Weather Satellite
OLD ALEXANDRIA, MO 63379
Infrared Weather Satellite
OLD ALEXANDRIA, MO 63379
  63379 WEATHER RADAR LOOP
NEXRAD Weather Radar
OLD ALEXANDRIA, MO 63379
 MOS COMPUTER WEATHER FORECAST

ST. CHARLES, MO 3 hourly weather forecast
weather forecast created  7:00 PM CDT  6/ 8/2026
Tuesday
9 JUN 2026		 OLD ALEXANDRIA, MO 63379 weather forecast Day 1, 0 hours 1 AM 75° 75° Mostly Cloudy 55%
RAIN
1–2 in		 0% Thunder
( 21% severe)		 S   5 87% 71°
Low 73° OLD ALEXANDRIA, MO 63379 weather forecast Day 1, 3 hours 4 AM 74° 74° Mostly Cloudy S   5 90% 71°
High 92° OLD ALEXANDRIA, MO 63379 weather forecast Day 1, 6 hours 7 AM 75° 75° Mostly Cloudy 22%
RAIN
.01–.1 in		 0% Thunder
( 32% severe)		 SSW   6 90% 72°

Mostly Cloudy

Chance of Rain

 OLD ALEXANDRIA, MO 63379 weather forecast Day 1, 9 hours 10 AM 82° 88° Mostly Cloudy WSW   9 77% 74°
OLD ALEXANDRIA, MO 63379 weather forecast Day 1, 12 hours 1 PM 88° 99° Mostly Cloudy 27%
RAIN
<.01 in		 0% Thunder
( 43% severe)		 SW   12 68% 76°
OLD ALEXANDRIA, MO 63379 weather forecast Day 1, 15 hours 4 PM 92° 105° Partly Cloudy SW   12 60% 76°
OLD ALEXANDRIA, MO 63379 weather forecast Day 1, 18 hours 7 PM 91° 105° Partly Cloudy 3%

 0% Thunder
( 20% severe)		 SSW   8 64% 77°
OLD ALEXANDRIA, MO 63379 weather forecast Day 1, 21 hours 10 PM 82° 89° Partly Cloudy SSE   7 79% 75°
Wednesday
10 JUN 2026		 OLD ALEXANDRIA, MO 63379 weather forecast Day 2, 0 hours 1 AM 80° 84° Clear 2%

 0% Thunder
( 9% severe)		 SSW   7 77% 72°
Low 73° OLD ALEXANDRIA, MO 63379 weather forecast Day 2, 3 hours 4 AM 77° 79° Clear SSW   8 82% 71°
High 93° OLD ALEXANDRIA, MO 63379 weather forecast Day 2, 6 hours 7 AM 77° 79° Partly Cloudy 0%

 0% Thunder
( 9% severe)		 SSW   8 79% 70°

Partly Cloudy



 OLD ALEXANDRIA, MO 63379 weather forecast Day 2, 9 hours 10 AM 85° 90° Partly Cloudy SSW   13 63% 71°
OLD ALEXANDRIA, MO 63379 weather forecast Day 2, 12 hours 1 PM 92° 100° Partly Cloudy 1%

 0% Thunder
( 38% severe)		 SSW   15 52% 72°
OLD ALEXANDRIA, MO 63379 weather forecast Day 2, 15 hours 4 PM 93° 100° Partly Cloudy SSW   16 49% 71°
OLD ALEXANDRIA, MO 63379 weather forecast Day 2, 18 hours 7 PM 92° 99° Clear 11%
RAIN
<.01 in		 0% Thunder
( 28% severe)		 SSW   14 51% 71°
OLD ALEXANDRIA, MO 63379 weather forecast Day 2, 21 hours 10 PM 84° 89° Partly Cloudy SSW   12 65% 71°

ST. CHARLES, MO extended weather forecast
Thursday
11 JUN 2026		 Friday
12 JUN 2026		 Saturday
13 JUN 2026		 Sunday
14 JUN 2026		 Monday
15 JUN 2026
Low 74° Low 68° Low 62° Low 67° Low 64°
High 98° High 86° High 88° High 79° High 80°
OLD ALEXANDRIA, MO 63379 weather forecast Day 3 OLD ALEXANDRIA, MO 63379 weather forecast Day 4 OLD ALEXANDRIA, MO 63379 weather forecast Day 5 OLD ALEXANDRIA, MO 63379 weather forecast Day 6 OLD ALEXANDRIA, MO 63379 weather forecast Day 7
Partly Cloudy
38% Rain		 Partly Cloudy
65% Rain		 Partly Cloudy
17% Rain		 Overcast
61% Rain		 Overcast
44% Rain
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