McCook, NE Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for McCook, a city in Red Willow County, Nebraska.
Today
78°F
Mostly Cloudy
Mostly cloudy. High near 78, with temperatures falling to around 74 in the afternoon. Northeast wind 15 to 25 mph, with gusts as high as 40 mph.
7-day forecast for McCook
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Mostly Cloudy | 15 to 25 mph NE | 14% |
| Tonight | 57°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 to 15 mph NE | 26% |
| Wednesday | 78°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 10 mph E | 56% |
| Wednesday Night | 57°F | Mostly Clear | 5 to 10 mph SE | 4% |
| Thursday | 89°F | Mostly Sunny | 5 to 15 mph SE | 4% |
| Thursday Night | 63°F | Clear | 5 to 15 mph SE | 1% |
| Friday | 96°F | Sunny | 5 to 10 mph SE | 2% |
| Friday Night | 65°F | Clear | 5 to 10 mph SE | 6% |
| Saturday | 101°F | Sunny | 5 to 15 mph S | 3% |
| Saturday Night | 69°F | Mostly Clear | 10 to 15 mph S | 4% |
| Sunday | 102°F | Sunny | 10 to 15 mph S | 1% |
| Sunday Night | 70°F | Mostly Clear | 15 mph S | 2% |
| Monday | 103°F | Sunny | 10 to 15 mph S | 2% |
| Monday Night | 70°F | Mostly Clear | 10 to 15 mph SE | 12% |
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 Aug 4, 2026.