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Judith Gap, MT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Judith Gap, a city in Wheatland County, Montana.

This Afternoon
72°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 4pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 72. North wind around 13 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

7-day forecast for Judith Gap

WhenTempForecastWindPrecip
This Afternoon 72°F Slight Chance Showers And Thunderstorms 13 mph N 41%
Tonight 50°F Chance Showers And Thunderstorms then Showers And Thunderstorms 7 to 12 mph NNW 91%
Saturday 57°F Rain Showers 12 to 15 mph NNW 91%
Saturday Night 46°F Rain Showers 9 mph NNW 76%
Sunday 63°F Chance Rain Showers then Slight Chance Showers And Thunderstorms 8 mph N 41%
Sunday Night 45°F Mostly Cloudy 9 mph SSE 7%
Monday 71°F Mostly Sunny 9 mph S 0%
Monday Night 47°F Mostly Clear 6 to 12 mph SSE 0%
Tuesday 75°F Sunny 6 mph WSW 0%
Tuesday Night 49°F Partly Cloudy 7 mph SSE 7%
Wednesday 75°F Sunny 6 to 9 mph WSW 1%
Wednesday Night 48°F Mostly Clear 8 mph S 1%
Thursday 75°F Sunny 7 to 10 mph S 1%
Thursday Night 49°F Partly Cloudy 10 mph SSE 4%

Forecast source: National Weather Service (api.weather.gov) for Judith Gap (46.679, -109.753). Updated through the day.

Growing snapshot for Judith Gap

Last spring frost
Jun 1
First fall frost
Sep 15
Growing season
104 days
Hardiness zone
4b

More local growing data for Judith Gap: nearby ZIP 59453 weather · frost dates · planting calendar · Montana frost dates

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Climate data from the nearest NOAA station, Judith Gap, Mt (3.8 mi from Judith Gap). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.