Frost Advisory

* WHAT...Temperatures as low as 33 expected.

* WHERE...Lower Snake River Plain and Upper Snake River Plain.

* WHEN...From 3 AM to 9 AM MDT Monday.

* IMPACTS...Frost and low temperatures could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

* ADDITIONAL DETAILS...Cloud cover and precipitation will make the temperature forecast a bit tricky overnight so confidence is less than desired and some spots in these zones could briefly drop below freezing if we see adequate clearing.