Special Weather Statement SPECIAL WEATHER STATEMENT - Island Park  - Snake River Lower Plain  - Snake River Upper Plain

Regional Radar Regional Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.
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Updated: @ 23-Feb-2018 9:42am - next update at 12:00am  
Summary / Temperature Wind Rain / Snow Melt Outlook


Cloudy, Dry

Currently 12.3°F, Max: 20.6°F, Min: -3.4°F 12.3°F
Warmer 7.3°F than last hour.

Very Cold

Feels Like: 12°F

24-hr difference
-9.1°FColder 9.1°F than yesterday at this time.
  Today Yesterday
High: 20.6°F
12:00am
34.6°F
1:50pm
Low: -3.4°F
6:43am
9.6°F
3:18am
NWS Records: 52.0°F
1954
-18.0°F
1955
 Calm SW
0.0
Gust:
0.0 mph
0 Bft - Calm
Today: 13.0 12:01am
Gust Month: 42.0 Feb 18
Rain Today: 0.00 in
Rain Rate (/hr): 0.000 in
Rain Yesterday: 0.00 in
Storm Rain: 0.00 in
February: 0.01 in
Season Total:1 0.64 in
5 days since last rain.
Tonight

Tonight: Increasing clouds, with a low around 12. Wind chill values as low as -3. South southwest wind 15 to 17 mph, with gusts as high as 25 mph.
Increasing
Clouds
Humidity & Barometer Almanac Moon
Humidity: 87 % Increased 2% since last hour.
Dew Point: 9.2°F Increased 7.7°F since last hour.
Barometer: 30.361 inHg Rising 0.007 °F/hr
Baro Trend: Steady
Sunrise: 7:15am
Sunset: 6:10pm
Moonrise: 11:51am
Moonset: 1:33am
Waxing Gibbous
Waxing Gibbous, Moon at 7 days in cycle
54%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 0.0 @ 12:00am
72 W/m2 (17 %)
High: 76 @  9:38am
Windchill Heating Degree Days Sun
Current: 12.3°F°F
Today: -7.7 °F 4:57am
Yesterday: -0.2 °F
Week: -8.4°F
Record: -41.3°F 27-Jan-2009
Today: 22.0
Feb. to Date: 780.6
2018 to Date: 1878.8
Cooling Degree Days
2018 to Date: 0.0
Daylight 10:55
(00:03:18)
Snow3 Irrigation Index4 Station All Time Records Fire Risk
Today: 0.00 in
Yesterday: 3.000 in
February: 3.000 in
Season Total:2 9.000 in
Snow Depth: 3 in
1 snow day in Feb.
5 snow days in all 2018.
ICN:19 ISS:Ok CON:4.7 RCP:97%
Updated at Midnight
7-Days Rain: 0.012 in
7-Days ET: 0.433 in
7-Day Index: -0.421 inMinus 0.421 in than yesterday at this time.
February Index: -1.41 inMinus 1.41 in than yesterday at this time.
Outside Now
Air Density: 1.365 kg/m3
Cloud Height: 5250 ft
HIGHS: LOWS:
101.7°F
29-Jun-2015
-21.8°F
09-Dec-2013
Record Day(6am-6pm)
98.2°F on: Jul 05 2017 -3.8°F on: Jan 06 2017
Record Nite(6pm-6am)
84.9°F on: Jul 23 2009 -15.0°F on: Jan 06 2017
Current Fire Weather Index
Today:
2.1 of 50
Wind Data Temperature Data Station All Time Records
Wind Run Today: 15.07
Wind Run Yesterday: 114.69
Wind Run Month: 5282.66
Wind Run Year: 9989.26
Wind Run Record: 626.4 on 3/29/2016
Last Hour Avg Wind Speed: 0.0 MPH
24 Hour Avg Wind Dir: 175°
Last Hour Avg Wind Dir: 325°
Station Uptime: 8 Days
Yesterday's Avg Temp: 21.0°F
Temp 24 Hours Ago: 21.4°F
Average Temp This Week: 22.3°F
Average Temp This Month: 30.1°F
Station Information
VP2 Reception Status: 97%
VP2 Data Recieved: 13202
Latitude: 043
Longitude: - 0112
Station Altitude: 4534 FT
Anemometer Height: 33 FT
Davis Instruments Wireless VantagePro2 Plus 6163
Solar High: 1466.0 on 4/27/2014
UV High: 13.0 on 6/20/2016
Rain In 24 Hours: 1.07 in on 9/21/2017
High Wind Gust: 71.3 MPH on 2/22/2012
High Wind Average: 57.5 MPH on 2/22/2012
High Barometer: 31.160 on 1/28/2017
Low Barometer: 29.010 on 1/22/2010
1 Rain season: Jan 1st to Dec 31st. 2 Snow season July 1st to June 30th. 3 Snow manually measured
4 Estimated amount of water needed to replace the water used by plants and evaporation from the past week.
(Negative numbers mean amount of water needed, positive numbers mean excess water is present.)
 NWS Weather Forecast  -  Today's and Tonight's Outlook
Today

Today: Mostly cloudy, then gradually becoming sunny, with a high near 29. West southwest wind 7 to 11 mph.
Decreasing
Clouds

Hi 29 °F

NWS forecast: Mostly cloudy, then gradually becoming sunny, with a high near 29. West southwest wind 7 to 11 mph.
  Tonight

Tonight: Increasing clouds, with a low around 12. Wind chill values as low as -3. South southwest wind 15 to 17 mph, with gusts as high as 25 mph.
Increasing
Clouds

Lo 12 °F

NWS forecast: Increasing clouds, with a low around 12. Wind chill values as low as -3. South southwest wind 15 to 17 mph, with gusts as high as 25 mph.
 NWS Weather Forecast 4 Day Outlook
Saturday

Saturday: Snow likely, mainly after 11am.  Areas of blowing snow. Cloudy, with a high near 29. Wind chill values as low as -5. Breezy, with a south southwest wind 16 to 25 mph, with gusts as high as 36 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Snow Likely
and Areas
Blowing Snow
Saturday
Night
Saturday Night: A 30 percent chance of snow, mainly before 11pm.  Areas of blowing snow before 11pm. Mostly cloudy, with a low around 13. Wind chill values as low as -2. Breezy, with a southwest wind 19 to 24 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 34 mph.  New snow accumulation of less than a half inch possible.
Chance Snow
and Areas
Blowing Snow
Sunday

Sunday: A 20 percent chance of snow.  Mostly cloudy, with a high near 33. Breezy, with a southwest wind 16 to 21 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 39 mph.
Slight Chance
Snow and
Breezy
Sunday
Night
Sunday Night: A 40 percent chance of snow.  Cloudy, with a low around 24. Breezy.  New snow accumulation of 1 to 2 inches possible.
Chance Snow
and Breezy
Monday

Monday: A 40 percent chance of snow.  Cloudy, with a high near 34. New snow accumulation of less than one inch possible.
Chance Snow

Monday
Night
Monday Night: A 30 percent chance of snow, mainly before 11pm.  Mostly cloudy, with a low around 15.
Chance Snow

Tuesday

Tuesday: Partly sunny, with a high near 30.
Partly Sunny

Hi 29 °FLo 13 °F Hi 33 °FLo 24 °F Hi 34 °FLo 15 °F Hi 30 °F

Interesting Weather Facts

The speed of a typical raindrop is 17 miles per hour.