Gilliam, MO Weather & Growing Conditions
Today
97°F
Mostly Sunny
Mostly sunny, with a high near 97. Heat index values as high as 101. Southwest wind 6 to 12 mph, with gusts as high as 18 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 97°F | Mostly Sunny | 6 to 12 mph SW | 3% |
| Tonight | 68°F | Chance Showers And Thunderstorms | 2 to 7 mph WSW | 46% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 2 to 7 mph NNW | 51% |
| Sunday Night | 62°F | Showers And Thunderstorms | 5 to 8 mph NE | 84% |
| Monday | 72°F | Showers And Thunderstorms | 7 to 10 mph NE | 84% |
| Monday Night | 55°F | Chance Rain Showers then Mostly Cloudy | 6 to 10 mph NNE | 28% |
| Tuesday | 69°F | Partly Sunny | 10 mph NNE | 7% |
| Tuesday Night | 49°F | Mostly Cloudy | 2 to 8 mph NNE | 2% |
| Wednesday | 72°F | Mostly Sunny | 6 mph NE | 0% |
| Wednesday Night | 52°F | Partly Cloudy | 1 to 5 mph NE | 1% |
| Thursday | 75°F | Partly Sunny | 1 to 5 mph ENE | 9% |
| Thursday Night | 56°F | Mostly Cloudy then Slight Chance Rain Showers | 3 mph ENE | 19% |
| Friday | 76°F | Slight Chance Rain Showers | 2 to 6 mph E | 21% |
| Friday Night | 57°F | Mostly Cloudy | 5 mph E | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Gilliam, MO
Last spring frost
Apr 10
First fall frost
Oct 24
Growing season
196 days
Hardiness zone
6b
Explore more for Gilliam, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Marshall, Mo (15.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.