Dense Fog Advisory DENSE FOG ADVISORY - Snake River Lower Plain  - Snake River Upper Plain
Winter Weather Advisory WINTER WEATHER ADVISORY - Island Park  - Snake River Lower Plain  - Snake River Upper Plain

Regional Radar Regional Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.
spacer
Live Weather Cam - Blackfoot, ID Live Weather Cam - Blackfoot, ID Live Weather Cam - Blackfoot, ID spacer
Updated: @ 15-Dec-2017 10:31am - next update at 12:00am  
Summary / Temperature Wind Rain / Snow Melt Outlook


Partly Cloudy, Dry

Currently 21.8°F, Max: 21.8°F, Min: 18.8°F 21.8°F
Warmer 1°F than last hour.

Uncomfortably Cold

Feels Like: 22°F

24-hr difference
2°FWarmer 2°F than yesterday at this time.
  Today Yesterday
High: 21.8°F
10:29am
22.2°F
1:34pm
Low: 18.8°F
8:17am
17.2°F
3:57am
NWS Records: 46.0°F
1979
-14.0°F
1972
 Calm NE
0.0
Gust:
0.0 mph
0 Bft - Calm
Today: 0.0 12:42am
Gust Month: 39.0 Dec 3
Rain Today: 0.00 in
Rain Rate (/hr): 0.000 in
Rain Yesterday: 0.00 in
Storm Rain: 0.00 in
December: 0.15 in
Season Total:1 11.68 in
1 rain day in Dec.
Tonight

Tonight: A 50 percent chance of snow, mainly after 11pm.  Cloudy, with a low around 21. North northeast wind 7 to 9 mph becoming west southwest after midnight.  New snow accumulation of less than one inch possible.
Chance Snow

Humidity & Barometer Almanac Moon
Humidity: 91 %  
Dew Point: 19.6°F Increased 1°F since last hour.
Barometer: 30.513 inHg Falling 0.006 °F/hr
Baro Trend: Steady
Sunrise: 7:55am
Sunset: 4:55pm
Moonrise: 5:14am
Moonset: 3:37pm
Waning Crescent
Waning Crescent, Moon at 27 days in cycle
6%
Illuminated
UV Index Solar Radiation
   0.8     Low 
High: 0.8 @ 10:29am
204 W/m2 (56 %)
High: 206 @  10:30am
Windchill Heating Degree Days Sun
Current: 21.8°F°F
Today: 18.8 °F 8:17am
Yesterday: 14.7 °F
Week: -3.6°F
Record: -41.3°F 27-Jan-2009
Today: 18.5
Dec. to Date: 639.2
2017 to Date: 6963.3
Cooling Degree Days
2017 to Date: 408.1
Daylight 09:00
(-00:00:45)
Snow3 Irrigation Index4 Station All Time Records Fire Risk
Today: 0.00 in
Yesterday: 0 in
December: 1.000 in
Season Total:2 1.000 in
Snow Depth: 1 in
1 snow day in Dec.
1 snow day in all 2017.
ICN:3 ISS:Ok CON:4.7 RCP:96%
Updated at Midnight
7-Days Rain: 0.000 in
7-Days ET: 0.075 in
7-Day Index: -0.075 inMinus 0.075 in than yesterday at this time.
December Index: -0.24 inMinus 0.24 in than yesterday at this time.
Outside Now
Air Density: 1.344 kg/m3
Cloud Height: 5043 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:
0.0 of 50
Wind Data Temperature Data Station All Time Records
Wind Run Today: 0.00
Wind Run Yesterday: 0.79
Wind Run Month: 772.44
Wind Run Year: 46359.82
Wind Run Record: 626.4 on 3/29/2016
Last Hour Avg Wind Speed: 0.0 MPH
24 Hour Avg Wind Dir: 37°
Last Hour Avg Wind Dir: 45°
Station Uptime: 1 Days
Yesterday's Avg Temp: 19.9°F
Temp 24 Hours Ago: 19.8°F
Average Temp This Week: 17.8°F
Average Temp This Month: 17.5°F
Station Information
VP2 Reception Status: 96%
VP2 Data Recieved: 14168
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: Widespread haze after noon. Widespread dense freezing fog before noon. Partly sunny, with a high near 28. East northeast wind around 8 mph.
Dense
Freezing Fog
then Haze

Hi 28 °F

NWS forecast: Widespread haze after noon. Widespread dense freezing fog before noon. Partly sunny, with a high near 28. East northeast wind around 8 mph.
  Tonight

Tonight: A 50 percent chance of snow, mainly after 11pm.  Cloudy, with a low around 21. North northeast wind 7 to 9 mph becoming west southwest after midnight.  New snow accumulation of less than one inch possible.
Chance Snow


Lo 21 °F

NWS forecast: A 50 percent chance of snow, mainly after 11pm. Cloudy, with a low around 21. North northeast wind 7 to 9 mph becoming west southwest after midnight. New snow accumulation of less than one inch possible.
 NWS Weather Forecast 4 Day Outlook
Saturday

Saturday: Snow likely, mainly before 11am.  Cloudy, with a high near 30. Southwest wind 11 to 15 mph, with gusts as high as 23 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Snow Likely
then Chance
Snow
Saturday
Night
Saturday Night: Areas of freezing fog after 11pm. Mostly cloudy, with a low around 10. Wind chill values as low as -2. West northwest wind 9 to 13 mph, with gusts as high as 21 mph.
Areas
Freezing Fog

Sunday

Sunday: Areas of freezing fog before 11am. Partly sunny, with a high near 23. West southwest wind 7 to 9 mph.
Areas
Freezing Fog
then Mostly
Sunny
Sunday
Night
Sunday Night: A 20 percent chance of snow showers after 11pm.  Mostly cloudy, with a low around 12.
Slight Chance
Snow Showers

Monday

Monday: A 20 percent chance of snow showers.  Mostly cloudy, with a high near 30.
Slight Chance
Snow Showers

Monday
Night
Monday Night: A 20 percent chance of snow showers.  Mostly cloudy, with a low around 20.
Slight Chance
Snow Showers

Tuesday

Tuesday: A 20 percent chance of snow showers.  Partly sunny, with a high near 34.
Slight Chance
Snow Showers

Hi 30 °FLo 10 °F Hi 23 °FLo 12 °F Hi 30 °FLo 20 °F Hi 34 °F

Interesting Weather Facts

Lowest air pressure ever recorded was 25.63" in the eye of Typhoon Tip over the Pacific Ocean (October 12, 1979).