Dylan Hartley has the right to appeal against his 11 week ban.
The Saints captain was sent off for allegedly calling referee Wayne Barnes a "f****** cheat" just before half-time in Leicester's 37-17 victory at Twickenham.
The RFU confirmed the suspension rules Hartley out of the Lions tour.
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Rain this evening with showers expected tomorrow and minimum temperatures overnight of 9 deg C 9 66 deg F)
Early fog will clear to leave a dry day with sunny spells and highs of 18 deg C (64 deg F)
Overnight there'll be mist and fog but it will clear for Sunday leaving sunny spells.