Fortescue, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fortescue, a town in Brown County, Missouri.
Tonight
72°F
Partly Cloudy then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 72. South wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Fortescue
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 72°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 9 mph S | 21% |
| Saturday | 87°F | Chance Showers And Thunderstorms | 8 mph SW | 33% |
| Saturday Night | 64°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 6 mph N | 64% |
| Sunday | 73°F | Showers And Thunderstorms Likely | 8 mph N | 55% |
| Sunday Night | 60°F | Showers And Thunderstorms Likely | 5 to 8 mph NE | 55% |
| Monday | 65°F | Chance Rain Showers | 6 to 9 mph NNE | 41% |
| Monday Night | 54°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 9 mph NNE | 18% |
| Tuesday | 64°F | Mostly Cloudy | 7 mph NE | 6% |
| Tuesday Night | 50°F | Partly Cloudy | 2 to 6 mph ENE | 4% |
| Wednesday | 67°F | Partly Sunny | 5 mph E | 2% |
| Wednesday Night | 53°F | Mostly Cloudy | 2 mph ESE | 9% |
| Thursday | 69°F | Chance Rain Showers | 3 mph ESE | 30% |
| Thursday Night | 56°F | Mostly Cloudy then Slight Chance Rain Showers | 2 mph ESE | 22% |
| Friday | 70°F | Slight Chance Rain Showers | 5 mph ESE | 22% |
Forecast source: National Weather Service (api.weather.gov) for Fortescue (40.052, -95.318). Updated through the day.
Growing snapshot for Fortescue
Last spring frost
Apr 16
First fall frost
Oct 20
Growing season
186 days
Hardiness zone
6a
More local growing data for Fortescue: nearby ZIP 66094 weather · frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Oregon, Mo (10.5 mi from Fortescue). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.