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Etchart Field, MT Weather Forecast
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Etchart Field Weather Forecast
| REST OF TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
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| Mostly Sunny | Mostly Clear | Sunny | Partly Cloudy | Mostly Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Partly Cloudy | Rain | Rain |
| Hi: 59°FHi: 15°C | Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C | Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C | Hi: 61°FHi: 16°C Lo: 35°FLo: 2°C | Hi: 61°FHi: 16°C Lo: 35°FLo: 2°C | Hi: 70°FHi: 21°C Lo: 41°FLo: 5°C | Hi: 70°FHi: 21°C Lo: 41°FLo: 5°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C Lo: 39°FLo: 4°C | Hi: 61°FHi: 16°C Lo: 39°FLo: 4°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1201 PM MDT Sun Oct 18 2026 
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Issued: 243 PM MDT Sun Oct 18 2026
Key Messages
- A Lake Wind Advisory is in effect for tonight into tomorrow morning.
- A trough late this week has potential to bring precipitation to the area.
Discussion
... The GFS ensemble suggests zonal flow and a weak ridge will be in place through Thursday. There is some certainty of a trough moving in on Friday and precipitation, but there is not much certainty on how much precipitation will fall. A Lake Wind Advisory has been issued for tomorrow for gusty southeast winds.
By Thursday, an upper-l...