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Moose Jaw weekend weather

This weekend in Moose Jaw, Saskatchewan, model by model. Weekend forecasts are far enough out that the models often split — so we show you where.

Weekend

The models centre on about 32° across the weekend. Agreement is medium — plausible, but worth re-checking closer to the day.

Sat

2026-08-01 — every model, side by side
Env. CanadaGEM model
34°
Partly cloudy
High 34°·Low 15°·Rain 5%
EuropeanECMWF
36°
Cloudy
High 36°·Low 19°·Rain 0%
AmericanNOAA GFS
35°
Cloudy
High 35°·Low 16°·Rain 3%

The models range from 34° to 36°. Treat the middle of that range as the likely outcome and keep a backup plan.

Sun

2026-08-02 — every model, side by side
Env. CanadaGEM model
28°
Drizzle
High 28°·Low 19°·Rain 34%
EuropeanECMWF
31°
Mostly clear
High 31°·Low 23°·Rain 20%
AmericanNOAA GFS
31°
Clear
High 31°·Low 18°·Rain 21%

The models range from 28° to 31°. Treat the middle of that range as the likely outcome and keep a backup plan.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±2°29° to 31°±10%2% to 12% chance
Tomorrow±1°32° to 34°±29%11% to 40% chance
Sat±3°34° to 36°±5%0% to 5% chance
Sun±3°28° to 31°±14%20% to 34% chance
Mon±1°20° to 22°±6%4% to 10% chance

The models often agree on temperature and still split on rain — and rain is usually what decides whether a plan survives. A wide rain range means the shower is genuinely uncertain, not that the forecast is wrong.

Common questions

Will it rain this weekend?
The models are not currently showing a high weekend rain risk, and they broadly agree with each other.
How reliable is a weekend forecast?
It depends how far away the weekend is. Forecast error grows steadily with lead time, so a Saturday forecast made on Friday is far stronger than one made the previous Monday. The honest signal is model agreement: when they converge the forecast is solid, and when they spread the weekend is genuinely uncertain.

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