Niangua, MO Weather & Growing Conditions
Today
99°F
Sunny
Sunny. High near 99, with temperatures falling to around 97 in the afternoon. Heat index values as high as 101. Southwest wind around 12 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 99°F | Sunny | 12 mph SW | 0% |
| Tonight | 71°F | Partly Cloudy | 5 to 8 mph S | 0% |
| Sunday | 95°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 6 to 9 mph SW | 15% |
| Sunday Night | 67°F | Showers And Thunderstorms | 2 to 6 mph N | 75% |
| Monday | 82°F | Showers And Thunderstorms | 3 to 10 mph N | 75% |
| Monday Night | 59°F | Chance Showers And Thunderstorms then Mostly Cloudy | 6 to 10 mph N | 53% |
| Tuesday | 74°F | Partly Sunny | 7 to 10 mph N | 8% |
| Tuesday Night | 53°F | Partly Cloudy | 3 to 12 mph NE | 1% |
| Wednesday | 76°F | Sunny | 3 to 8 mph NE | 1% |
| Wednesday Night | 53°F | Mostly Clear | 2 to 7 mph NE | 1% |
| Thursday | 79°F | Mostly Sunny | 1 to 6 mph NE | 4% |
| Thursday Night | 56°F | Partly Cloudy | 2 to 6 mph E | 7% |
| Friday | 80°F | Slight Chance Rain Showers | 2 to 7 mph E | 15% |
| Friday Night | 57°F | Mostly Cloudy | 3 to 7 mph E | 12% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Niangua, MO
Last spring frost
Apr 15
First fall frost
Oct 22
Growing season
188 days
Hardiness zone
6b
Explore more for Niangua, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Grovespring 1Ne, Mo (8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.