McCook, NE Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for McCook, a city in Red Willow County, Nebraska.
Tonight
65°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 4am. Mostly cloudy, with a low around 65. North wind 5 to 10 mph. Chance of precipitation is 60%.
7-day forecast for McCook
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 65°F | Showers And Thunderstorms Likely | 5 to 10 mph N | 64% |
| Saturday | 76°F | Mostly Cloudy | 5 to 10 mph NE | 14% |
| Saturday Night | 60°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 10 mph NE | 39% |
| Sunday | 68°F | Chance Rain Showers | 5 to 10 mph NE | 40% |
| Sunday Night | 57°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 42% |
| Monday | 68°F | Chance Rain Showers then Partly Sunny | 5 to 10 mph NE | 36% |
| Monday Night | 53°F | Partly Cloudy | 5 to 10 mph E | 14% |
| Tuesday | 67°F | Partly Sunny | 10 to 15 mph SE | 14% |
| Tuesday Night | 56°F | Mostly Cloudy then Chance Rain Showers | 15 mph SE | 37% |
| Wednesday | 70°F | Chance Rain Showers | 15 mph SE | 37% |
| Wednesday Night | 59°F | Chance Rain Showers | 10 to 15 mph SE | 39% |
| Thursday | 72°F | Chance Rain Showers | 10 mph S | 39% |
| Thursday Night | 59°F | Chance Showers And Thunderstorms | 10 mph SE | 27% |
| Friday | 72°F | Chance Rain Showers | 10 to 15 mph SE | 27% |
Forecast source: National Weather Service (api.weather.gov) for McCook (40.205, -100.622). Updated through the day.
Growing snapshot for McCook
Last spring frost
May 2
First fall frost
Oct 9
Growing season
159 days
Hardiness zone
6a
More local growing data for McCook: nearby ZIP 69001 weather · frost dates · planting calendar · Nebraska frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Mc Cook, Ne (3.1 mi from McCook). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.