Alamo, ND Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Alamo, a city in Williams County, North Dakota.
Tonight
56°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am, then patchy fog and a slight chance of rain showers. Mostly cloudy. Low around 56, with temperatures rising to around 58 overnight. Northeast wind 6 to 10 mph. Chance of precipitation is 30%.
7-day forecast for Alamo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Chance Showers And Thunderstorms | 6 to 10 mph NE | 26% |
| Saturday | 64°F | Patchy Fog then Mostly Cloudy | 12 to 18 mph NE | 9% |
| Saturday Night | 49°F | Mostly Cloudy then Slight Chance Rain Showers | 13 to 17 mph E | 19% |
| Sunday | 61°F | Slight Chance Rain Showers | 15 mph E | 21% |
| Sunday Night | 46°F | Slight Chance Rain Showers then Mostly Cloudy | 9 to 13 mph SE | 16% |
| Monday | 68°F | Mostly Sunny | 9 to 18 mph SE | 2% |
| Monday Night | 50°F | Partly Cloudy | 17 mph SE | 0% |
| Tuesday | 71°F | Mostly Sunny | 16 to 24 mph SE | 1% |
| Tuesday Night | 53°F | Partly Cloudy | 16 to 20 mph SE | 3% |
| Wednesday | 75°F | Mostly Sunny | 13 to 16 mph S | 8% |
| Wednesday Night | 53°F | Mostly Clear | 12 mph SE | 11% |
| Thursday | 77°F | Sunny | 8 to 13 mph SE | 4% |
| Thursday Night | 54°F | Mostly Clear | 10 to 14 mph SE | 3% |
| Friday | 76°F | Mostly Sunny | 13 to 21 mph SE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Alamo (48.582, -103.467). Updated through the day.
Growing snapshot for Alamo
Last spring frost
May 18
First fall frost
Sep 20
Growing season
124 days
Hardiness zone
3b
More local growing data for Alamo: nearby ZIP 58830 weather · frost dates · planting calendar · North Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Wildrose 3Nw, Nd (12.2 mi from Alamo). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.