Weather Tomorrow in St. Charles, MO
Friday, May 22, 2026
Rain
Precip chance
65%
Wind
5-8 mph
Humidity
83%
Feels like
67–60°F
Rain forecast
Rain likely starts around 3 PM and may continue until 4 AM. Peak chance: 65% around 6 PM.
Data source: National Weather Service (NOAA) · Updated just now
Tomorrow by Hour
58°Temperature trend69°
| Time | Temp | Condition | Rain % | Wind | ||
|---|---|---|---|---|---|---|
| 5 AM☽ | 63°F | Cloudy | 1% | 7 mph E | ||
| 6 AM☽ | 63°F | Cloudy | 1% | 6 mph E | ||
| 7 AM☽ | 63°F | Mostly Cloudy | 3% | 6 mph E | ||
| 8 AM☽ | 62°F | Cloudy | 5% | 6 mph E | ||
| 9 AM☽ | 60°F | Cloudy | 6% | 6 mph NE | ||
| 10 AM☽ | 59°F | Cloudy | 8% | 6 mph NE | ||
| 11 AM | 59°F | Cloudy | 11% | 6 mph NE | ||
| 12 PM | 58°F | Cloudy | 13% | 7 mph E | ||
| 1 PM | 60°F | Slight Chance Rain Showers | 23% | 7 mph E | ||
| 2 PM | 61°F | Chance Rain Showers | 33% | 8 mph E | ||
| 3 PM | 63°F | Chance Rain Showers | 43% | 8 mph E | ||
| 4 PM | 64°F | Chance Rain Showers | 50% | 8 mph E | ||
| 5 PM | 64°F | Rain Showers Likely | 58% | 8 mph E | ||
| 6 PM | 65°F | Showers And Thunderstorms Likely | 65% | 8 mph NE | ||
| 7 PM | 66°F | Showers And Thunderstorms Likely | 65% | 7 mph E | ||
| 8 PM | 67°F | Showers And Thunderstorms Likely | 65% | 7 mph E | ||
| 9 PM | 68°F | Showers And Thunderstorms Likely | 64% | 7 mph E | ||
| 10 PM | 68°F | Showers And Thunderstorms Likely | 58% | 6 mph E | ||
| 11 PM☽ | 69°F | Chance Showers And Thunderstorms | 47% | 7 mph E | ||
| 12 AM☽ | 69°F | Chance Rain Showers | 41% | 6 mph E | ||
| 1 AM☽ | 68°F | Chance Rain Showers | 41% | 5 mph E | ||
| 2 AM☽ | 66°F | Chance Rain Showers | 41% | 5 mph NE | ||
| 3 AM☽ | 65°F | Chance Rain Showers | 41% | 5 mph N | ||
| 4 AM☽ | 64°F | Chance Rain Showers | 41% | 5 mph NW | ||
Precipitation Timeline
100%
50%
65%
5a11a5p11p
<20%20-50%50-70%>70%
What to Wear Tomorrow
Warm and comfortable — dress light
Clothing
- • T-shirt or light blouse
- • Shorts or light pants
Footwear
Comfortable shoes or sandals
Accessories
- • Umbrella
Conditions
High: 69°F
Low: 58°F
Wind: 5-8 mph
Rain: 65%
Rain expected around 3 PM — carry an umbrella.
Best Time to Be Outside Tomorrow
11 AM – 12 PM
Excellent conditions for outdoor activities (comfortable temp, light wind, daylight)
5a11a5p11p
More for St. Charles, MO
- Will it rain tomorrow in St. Charles?
- What time will it rain tomorrow in St. Charles?
- Weather tomorrow by hour in St. Charles
- Heat index tomorrow by zip code near St. Charles
- Dew point tomorrow by zip code near St. Charles
- Wind chill tomorrow by zip code near St. Charles
- What to wear tomorrow in St. Charles
- Best time to be outside tomorrow in St. Charles
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Frequently Asked Questions
What is the weather forecast for tomorrow in St. Charles, MO?
Tomorrow in St. Charles: High of 69°F, Low of 58°F. Rain with 65% chance of precipitation. Wind 5-8 mph.
Will it rain tomorrow in St. Charles?
Rain likely starts around 3 PM and may continue until 4 AM. Peak chance: 65% around 6 PM.
What should I wear tomorrow in St. Charles?
With a high of 69°F and low of 58°F, check our "What to Wear" section above for specific clothing recommendations based on temperature, wind, and precipitation.
How accurate is this forecast?
Our forecasts come directly from the National Weather Service (NOAA), which provides some of the most accurate weather predictions available. Tomorrow forecasts are generally 80-90% accurate, with accuracy decreasing the further out you look. Data is refreshed every 30 minutes.