Zone Forecast Product
Issued by NWS Pocatello, ID

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FPUS55 KPIH 182111
ZFPPIH

Zone Forecast Product FOR Idaho
NATIONAL WEATHER SERVICE Pocatello ID
210 PM MST Mon Dec 18 2017

This forecast may not be representative of the exact location you
are interested in. For a site-specific forecast, please visit
weather.gov/Pocatello and click the map on the main page.

IDZ017-191100-
Eastern Magic Valley-
Including the cities of Burley, Rupert, and Heyburn
210 PM MST Mon Dec 18 2017

.TONIGHT...Mostly cloudy. Lows 17 to 27. Southwest winds around
10 mph...shifting to east up to 10 mph after midnight.
.TUESDAY...Partly sunny. Highs 34 to 44. East winds 10 to 15 mph.
.TUESDAY NIGHT...Mostly cloudy. A slight chance of rain and snow
in the evening...then a chance of snow and rain after midnight.
Snow accumulation up to 1 inch. Lows 23 to 33. Southeast winds
10 to 20 mph. Chance of precipitation 50 percent.
.WEDNESDAY...Mostly cloudy with a chance of snow. Windy. Highs
30 to 37. Southwest winds 20 to 30 mph. Chance of precipitation
50 percent.
.WEDNESDAY NIGHT...Mostly cloudy with a slight chance of snow.
Colder. Lows 10 to 18. West winds 10 to 20 mph. Chance of
precipitation 20 percent.
.THURSDAY...Mostly sunny. Highs 21 to 28.
.THURSDAY NIGHT...Mostly cloudy. Lows 12 to 19.
.FRIDAY AND FRIDAY NIGHT...Mostly cloudy with a slight chance of
snow. Highs 23 to 30. Lows 7 to 17.
.SATURDAY...Partly sunny. Highs 11 to 20.
.SATURDAY NIGHT THROUGH CHRISTMAS DAY...Partly cloudy. Lows
4 below to 6 above zero. Highs 9 to 19.

$$

IDZ021-191100-
Lower Snake River Plain-
Including the city of Pocatello
210 PM MST Mon Dec 18 2017

.TONIGHT...Mostly cloudy. Lows 17 to 27. South winds 10 to
15 mph.
.TUESDAY...Partly sunny. Highs 34 to 41. East winds around
10 mph...shifting to south in the afternoon.
.TUESDAY NIGHT...Mostly cloudy. A slight chance of snow in the
evening...then a chance of snow and rain after midnight. Breezy.
Snow accumulation around 1 inch. Lows 23 to 33. South winds 10 to
15 mph...increasing to 15 to 25 mph after midnight. Chance of
precipitation 50 percent.
.WEDNESDAY...Mostly cloudy with a chance of snow. Windy.
Accumulations possible. Highs 30 to 37. Southwest winds 20 to
30 mph with gusts to around 40 mph. Chance of precipitation
50 percent.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of snow. Much
colder. Accumulations possible. Lows 5 to 15. West winds 10 to
20 mph. Chance of precipitation 50 percent.
.THURSDAY...Mostly sunny. Highs 19 to 26.
.THURSDAY NIGHT...Mostly cloudy. Lows 11 to 18.
.FRIDAY...Mostly cloudy with a slight chance of snow. Highs 21 to
28.
.FRIDAY NIGHT...Mostly cloudy with a chance of snow. Lows 4 to
12.
.SATURDAY...Partly sunny. Highs 9 to 16.
.SATURDAY NIGHT THROUGH CHRISTMAS DAY...Partly cloudy. Lows
7 below to 3 above zero. Highs 6 to 16.

$$

IDZ020-191100-
Upper Snake River Plain-
Including the cities of Idaho Falls and Rexburg
210 PM MST Mon Dec 18 2017

.TONIGHT...Mostly cloudy. Lows 14 to 24. Southwest winds up to
10 mph.
.TUESDAY...Mostly cloudy. Not as cold. Highs 31 to 39. West winds
around 10 mph...shifting to south in the afternoon.
.TUESDAY NIGHT...Mostly cloudy. A slight chance of snow in the
evening...then a chance of snow after midnight. Snow accumulation
up to 1 inch. Lows 20 to 30. Southwest winds 10 to 20 mph. Chance
of precipitation 50 percent.
.WEDNESDAY...Mostly cloudy with a chance of snow. Windy.
Accumulations possible. Highs around 34. Southwest winds 20 to
30 mph. Chance of precipitation 50 percent.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of snow. Colder.
Lows 5 to 12. Northwest winds 10 to 15 mph. Chance of
precipitation 50 percent.
.THURSDAY...Mostly sunny. Highs 18 to 25.
.THURSDAY NIGHT...Mostly cloudy with a slight chance of snow.
Lows 8 to 15.
.FRIDAY...Mostly cloudy with a chance of snow. Highs 18 to 25.
.FRIDAY NIGHT...Mostly cloudy with a slight chance of snow. Lows
1 to 8.
.SATURDAY THROUGH CHRISTMAS DAY...Partly cloudy. Highs 5 to 14.
Lows 5 below to 5 above zero.

$$

IDZ018-191100-
Sawtooth Mountains-
Including the cities of Stanley and Clayton
210 PM MST Mon Dec 18 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM TUESDAY TO 5 PM
MST THURSDAY ABOVE 6000 FEET...

.TONIGHT...Mostly cloudy with a slight chance of snow. Lows 16 to
24.
.TUESDAY...Mostly cloudy with a slight chance of snow. Highs
34 to 42.
.TUESDAY NIGHT...A chance of snow in the evening...then snow
after midnight. Windy. Snow accumulation of 4 to 5 inches. Lows
16 to 25. South winds around 30 mph after midnight.
.WEDNESDAY...Snow likely. Highs 23 to 30.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of snow. Much
colder. Lows 3 below to 7 above zero.
.THURSDAY...Mostly sunny. Highs 18 to 25.
.THURSDAY NIGHT...Mostly cloudy with a slight chance of snow.
Lows 3 to 13.
.FRIDAY...Mostly cloudy with a chance of snow. Highs 18 to 25.
.FRIDAY NIGHT...Mostly cloudy with a chance of snow. Lows 4 below
to 6 above zero.
.SATURDAY...Partly sunny with a slight chance of snow. Highs 5 to
15.
.SATURDAY NIGHT THROUGH CHRISTMAS DAY...Partly cloudy. Lows
4 below to 14 below zero. Highs 6 to 16.

$$

IDZ031-191100-
Big and Little Wood River Region-
Including the cities of Hailey, Ketchum, and Bellevue
210 PM MST Mon Dec 18 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM TUESDAY TO 5 PM
MST THURSDAY ABOVE 6000 FEET...

.TONIGHT...Mostly cloudy. Lows 17 to 24.
.TUESDAY...Partly sunny. Highs 32 to 39.
.TUESDAY NIGHT...A chance of snow in the evening...then snow
likely after midnight. Snow accumulation of 3 to 4 inches. Lows
21 to 28.
.WEDNESDAY...Mostly cloudy with a chance of snow. Highs 27 to 34.
.WEDNESDAY NIGHT...Mostly cloudy with a slight chance of snow.
Colder. Lows 4 to 13.
.THURSDAY...Sunny. Highs 21 to 28.
.THURSDAY NIGHT...Mostly cloudy with a slight chance of snow.
Lows 9 to 16.
.FRIDAY...Mostly cloudy with a chance of snow. Highs 22 to 29.
.FRIDAY NIGHT...Mostly cloudy with a chance of snow. Lows 1 to
10.
.SATURDAY...Mostly sunny with a slight chance of snow. Highs
11 to 18.
.SATURDAY NIGHT THROUGH CHRISTMAS DAY...Partly cloudy. Lows
8 below to 1 above zero. Highs 10 to 18.

$$

IDZ032-191100-
Lost River/Pahsimeroi-
Including the cities of Arco, Challis, and Mackay
210 PM MST Mon Dec 18 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM TUESDAY TO 5 PM
MST THURSDAY ABOVE 6000 FEET...

.TONIGHT...Mostly cloudy with a slight chance of snow. Lows 16 to
25.
.TUESDAY...Mostly cloudy with a slight chance of snow. Not as
cold. Highs 30 to 40.
.TUESDAY NIGHT...Mostly cloudy. A slight chance of snow in the
evening...then a chance of snow after midnight. Snow accumulation
up to 2 inches. Lows 19 to 26.
.WEDNESDAY...Cloudy with a chance of snow. Highs 26 to 34.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of snow. Colder.
Lows 3 to 12.
.THURSDAY...Mostly sunny. Highs 18 to 26.
.THURSDAY NIGHT...Mostly cloudy. Lows 7 to 14.
.FRIDAY...Mostly cloudy with a chance of snow. Highs 19 to 26.
.FRIDAY NIGHT...Mostly cloudy with a chance of snow. Lows 4 below
to 4 above zero.
.SATURDAY...Partly sunny. Highs 3 to 12.
.SATURDAY NIGHT THROUGH CHRISTMAS DAY...Partly cloudy. Lows
2 below to 11 below zero. Highs 4 to 14.

$$

IDZ019-191100-
Upper Snake Highlands-
Including the cities of St. Anthony, Ashton, Island Park, Driggs,
and Victor
210 PM MST Mon Dec 18 2017

.TONIGHT...Cloudy with a chance of snow. Snow accumulation up to
1 inch. Lows 16 to 23.
.TUESDAY...Mostly cloudy with a slight chance of snow. Not as
cold. Highs 28 to 35.
.TUESDAY NIGHT...Cloudy. A slight chance of snow in the evening...
then a chance of snow after midnight. Snow accumulation of 1 to
3 inches. Lows 21 to 28.
.WEDNESDAY...Snow likely. Breezy. Accumulations possible. Highs
28 to 35.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of snow. Much
colder. Lows 4 below to 6 above zero.
.THURSDAY...Mostly sunny. Highs around 19.
.THURSDAY NIGHT...Mostly cloudy with a chance of snow. Lows 3 to
11.
.FRIDAY...Cloudy with a chance of snow. Highs around 18.
.FRIDAY NIGHT...Mostly cloudy with a chance of snow. Lows 6 below
to 3 above zero.
.SATURDAY...Partly sunny with a slight chance of snow. Highs 4 to
11.
.SATURDAY NIGHT THROUGH CHRISTMAS DAY...Partly cloudy. Lows
6 below to 15 below zero. Highs 2 to 11.

$$

IDZ023-191100-
Caribou Highlands-
Including the cities of Henry, Soda Springs, Downey,
and Lava Hot Springs
210 PM MST Mon Dec 18 2017

.TONIGHT...Mostly cloudy with a slight chance of snow. Lows 16 to
25.
.TUESDAY...Partly sunny. Highs 34 to 41.
.TUESDAY NIGHT...Mostly cloudy. A slight chance of snow in the
evening...then a chance of snow after midnight. Breezy. Snow
accumulation of 1 to 3 inches. Lows 24 to 31.
.WEDNESDAY...Snow likely. Windy. Accumulations possible. Highs
30 to 37. Southwest winds around 30 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of snow. Much
colder. Lows 1 to 11.
.THURSDAY...Mostly sunny with a slight chance of snow. Highs
17 to 24.
.THURSDAY NIGHT...Mostly cloudy with a slight chance of snow.
Lows 5 to 14.
.FRIDAY AND FRIDAY NIGHT...Mostly cloudy with a chance of snow.
Highs 19 to 26. Lows 3 to 13.
.SATURDAY...Partly sunny with a slight chance of snow. Highs 8 to
15.
.SATURDAY NIGHT THROUGH CHRISTMAS DAY...Partly cloudy. Lows
1 below to 11 below zero. Highs 5 to 15.

$$

IDZ022-191100-
South Central Highlands-
Including the cities of Malad City, Oakley, and Rockland
210 PM MST Mon Dec 18 2017

.TONIGHT...Decreasing clouds. Lows 19 to 29.
.TUESDAY...Partly sunny. Breezy. Not as cold. Highs 38 to 45.
.TUESDAY NIGHT...Mostly cloudy. A slight chance of rain and snow
after midnight. Breezy. Lows 27 to 34.
.WEDNESDAY...Snow likely. Windy. Highs 32 to 39. West winds
around 30 mph.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of snow. Breezy.
Much colder. Lows 9 to 19.
.THURSDAY...Mostly sunny with a slight chance of snow. Highs
23 to 30.
.THURSDAY NIGHT...Partly cloudy. Lows 10 to 18.
.FRIDAY AND FRIDAY NIGHT...Mostly cloudy with a chance of snow.
Highs 25 to 32. Lows 8 to 18.
.SATURDAY...Partly sunny with a slight chance of snow. Highs
12 to 20.
.SATURDAY NIGHT THROUGH CHRISTMAS DAY...Partly cloudy. Lows
5 below to 5 above zero. Highs 10 to 20.

$$

IDZ024-191100-
Cache Valley/Idaho Portion-
Including the city of Preston
210 PM MST Mon Dec 18 2017

.TONIGHT...Decreasing clouds. Lows around 20.
.TUESDAY...Mostly sunny. Highs around 40.
.TUESDAY NIGHT...Mostly cloudy. A slight chance of rain and snow
after midnight. Lows 23 to 30.
.WEDNESDAY...Snow likely and a chance of rain. Breezy. Highs
around 39.
.WEDNESDAY NIGHT...Mostly cloudy with a chance of snow. Colder.
Lows 11 to 18.
.THURSDAY...Mostly sunny with a slight chance of snow. Highs
around 24.
.THURSDAY NIGHT...Partly cloudy. Lows around 11.
.FRIDAY...Mostly cloudy with a chance of snow. Highs around 26.
.FRIDAY NIGHT...Mostly cloudy with a chance of snow. Lows around
11.
.SATURDAY...Partly sunny with a slight chance of snow. Highs
10 to 17.
.SATURDAY NIGHT THROUGH CHRISTMAS DAY...Partly cloudy. Lows
around 3 below. Highs 10 to 17.

$$

IDZ025-191100-
Wasatch Mountains/Idaho Portion-
Including the city of Montpelier
210 PM MST Mon Dec 18 2017

.TONIGHT...Mostly cloudy. Lows 12 to 22.
.TUESDAY...Mostly sunny. Not as cold. Highs 35 to 42.
.TUESDAY NIGHT...Mostly cloudy. A slight chance of snow after
midnight. Lows 19 to 29.
.WEDNESDAY...Cloudy with a chance of snow. Breezy. Highs 33 to
40.
.WEDNESDAY NIGHT...Snow likely. Colder. Lows 5 to 15.
.THURSDAY...Mostly sunny with a slight chance of snow. Highs
18 to 25.
.THURSDAY NIGHT...Partly cloudy. Lows 1 to 11.
.FRIDAY AND FRIDAY NIGHT...Mostly cloudy with a chance of snow.
Highs 21 to 28. Lows 2 to 12.
.SATURDAY...Partly sunny with a slight chance of snow. Highs
around 14.
.SATURDAY NIGHT THROUGH CHRISTMAS DAY...Partly cloudy. Lows
1 below to 11 below zero. Highs 6 to 16.

$$



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www.weather.gov/pocatello



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