Crystal City, MO Weather & Growing Conditions
Tonight
56°F
Light Rain
Rain and a slight chance of thunderstorms before 2am, then a slight chance of drizzle between 2am and 4am. Cloudy, with a low around 56. Southwest wind 6 to 12 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Light Rain | 6 to 12 mph SW | 89% |
| Wednesday | 65°F | Mostly Cloudy | 6 to 9 mph W | 3% |
| Wednesday Night | 39°F | Partly Cloudy | 3 mph SW | 0% |
| Thursday | 68°F | Sunny | 2 to 7 mph W | 2% |
| Thursday Night | 40°F | Mostly Cloudy | 3 mph NW | 11% |
| Friday | 59°F | Partly Sunny | 3 to 8 mph NW | 4% |
| Friday Night | 36°F | Mostly Cloudy | 1 to 5 mph N | 1% |
| Saturday | 58°F | Partly Sunny | 3 mph NW | 0% |
| Saturday Night | 32°F | Partly Cloudy | 1 mph NW | 1% |
| Sunday | 64°F | Sunny | 1 to 6 mph W | 7% |
| Sunday Night | 32°F | Mostly Clear | 3 mph W | 6% |
| Monday | 68°F | Sunny | 1 to 6 mph SW | 2% |
| Monday Night | 37°F | Mostly Clear | 3 mph SW | 1% |
| Tuesday | 71°F | Sunny | 5 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Crystal City, MO
Last spring frost
Apr 9
First fall frost
Oct 26
Growing season
197 days
Hardiness zone
7a
Explore more for Crystal City, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Festus, Mo (1.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.