Winter Weather Advisory WINTER WEATHER ADVISORY - Adams County  - Thornton

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METRIC | IMPERIAL
Updated: 20-Apr-2024 @ 8:40am   (0 sec ago)
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Warmer 0.9°F than last hour.

32.7°F

Wind Chill:  32.7°F
24-hr diff: -2.6°FColder 2.6°F than yesterday at this time.
Cold
High Today
32.8°F
8:36 AM
Low Today
30.6°F
3:34 AM
Yest High
40.5°F
11:32 AM
Yest Low
31.1°F
11:52 PM
Sta* High
81.0°F
2019
Sta* Low
14.7°F
2021
* This Station's Records Since 11/2006
Overcast and gloomy, Stopped snowing Overcast and gloomy, Stopped snowing

Calm Wind:  ENE
0.0

Gusting to:
0.0 mph
Current Rain Rain:
0.41 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
-2.3 of 100
Today

Today: Snow Showers
Snow Showers
Tonight

Tonight: Mostly Cloudy then Areas Of Fog
Mostly Cloudy then Areas Of Fog
Sunday

Sunday: Areas Of Fog then Mostly Sunny
Areas Of Fog then Mostly Sunny
Hi 40°F Lo 33°F Hi 64°F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Increased 0.4°F since last hour. 30.9°F
Last Hour: Increased 0.4°F since last hour. +0.4°F
High 8:36 AM: 31.3°F
Low 3:34 AM: 29.1°F
Record High: 73.2°F on
3-Aug-2007
Record Low: -17.3°F on
16-Jan-2024
Wetbulb: 32.1°F
Rain Today
rain graph

Today: 0.41 in
Rate (/hr): 0.022 in
Storm Rain: 0.61 in
Yesterday: 0.18 in
Last 7 Days: 0.52 in
Apr Rain: 1.15 in
Apr to Date
  Avg:10
1.00 in
Apr to Date
  Diff from Avg:10
Over 0.15 in for the month 0.15 in
Apr Avg: 1.52 in
Diff from Avg: Under 0.37 in for the month 0.37 in
Season:1 5.39 in
YTD
  Avg:11
3.26 in
YTD
  Diff from Avg:11
Over 2.13 in for the year 2.13 in
24 rain days in 2024
5 days in April
0 days since last rain
Current: ENE  0.0 mph
1Hr Average: Calm
Wind Run: 0.00 miles
Wind Gust
Current: 0.0 mph
Today: 0.0 mph 4:01 PM
Month: 36.0 mph 6-Apr
Year: 46.0 mph 10-Jan
Record Gust: 62.1 mph
17-Apr-2018
Sunlight:
13 h 30 m 37 s
of Sunlight Yesterday
13 h 33 m 4 s
of Sunlight Today
Which is
2 min 27 sec longer than
yesterday
13 h 35 m 29 s
of Sunlight Tomorrow
(Noon) graph (Midnight)
Legend

Waxing Gibbous
Waxing Gibbous, 11 days, 20 hours, 22 minutes in cycle
90%
Illuminated
Humidity Barometer
Current: Decreased 2% since last hour. 93%
Last Hour: Decreased 2% since last hour. 2%
High 12:00 AM: 95%
Low 8:38 AM: 93%
Record High: 100%
12-Feb-2007
Record Low: 0%
1-Jan-2008
Current: Falling 0.005  inHg/hr 30.513 inHg
Last Hour: Steady
High 12:54 AM: 30.549
Low 6:01 AM: 30.497
Record High: 31.086 inHg
30-Dec-2014
Record Low: 25.130 inHg
17-Dec-2006
Heating Degree Days Snow3 Wind Chill Air
Today: 11.9
Apr: 259.3
2024 to Date: 2844.5
Cooling Degree Days
2024 to Date: 0.0
Today: 4.70 in
Yesterday: 0.40 in
Apr Snow: Under 0.648 in for the month 5.10 in
Apr Avg: 5.75 in
Diff from Avg: -0.65 in
Season Total:2 50.40 in
Snow Depth: 0.00 in
1 snow day in April
22 snow days this season.2
First Snow of Season:
29-Oct-2023
Average 1st Snow:
25 of Oct
Current: 32.7°F
Low 3:34 AM: 30.6°F
Yesterday: 27.7°F
Record: -31.0°F
22-Dec-2022
Quality
Index6:

63


Moderate
Density:
1.31 kg/m3
Current UV Index Current Solar Energy9
0.0
Sunburn in
720 Minutes
Highest:
12:00 AM
0.0
28 W/m2
6%
W/m2 SI
High Today:
8:39 AM
28  W/m2
Record:
1461 W/m2
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Morning
YTD Avg Temp: 39.2°F
Sunrise: 6:13 am
Sunset: 7:42 pm
Moonrise: 4:53 pm
Moonset: 4:55 am
Full Moon: 23-Apr-2024
New Moon: 03:23 UTC
07-May-2024
Updated at Midnight
Current ET: 0.01 in
7-Days Rain: 0.52 in
7-Days ET: 0.98 in
7-Day:  0.456 in water in deficit of what evaporated in last 7 days. 0.456 in
April:  1.79 in water in deficit of what evaporated this month. 1.79 in
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HIGHS: LOWS:
102.9°F
25-Jun-2012
-14.6°F
2-Feb-2011
Daytime Records
  100.4°F°F
23-Jun-2012
  -8.1°F°F
22-Dec-2022
Nitetime Records
  88.0°F°F
15-Aug-2012
  -10.7°F°F
02-Feb-2011
ICN:5 | S3C2:1 | Ajax 3.xx
ISS:Ok | CON:4.7 | RCP:99%
1 Rain season: Jan 1st to Dec 31st.   2 Snow season July 1st to June 30th.   3 Snow manually measured usually around 5AM and 5PM.   5 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).   6 Air Quality Index is provided by Colorado Department of Public Health & Environment.   9 Solar Index represents either an absolute scale of solar energy (W/m²) using the station’s recorded maximum or a percentage of computed theoretical solar maximum using the station’s location and time of day. These indices differ most when the sun is low on the horizon. The current scale is shown, and will toggle if it or the icon is clicked.   10 Historical average only to day 20 of just the month of April for this station since 2006.   11 Historical average rain this season to day 20 of April for this station since 2006.
 NWS Weather Forecast  -   Outlook Today & Tonight
Today

Today: Snow Showers
Snow Showers

Hi 40°F
NWS forecast: Snow showers before 1pm, then a chance of rain and snow showers. Cloudy. High near 40, with temperatures falling to around 37 in the afternoon. North northeast wind 6 to 9 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Tonight

Tonight: Mostly Cloudy then Areas Of Fog
Mostly Cloudy then Areas Of Fog

Lo 33°F
NWS forecast: Areas of fog after midnight. Mostly cloudy. Low around 33, with temperatures rising to around 35 overnight. East northeast wind 3 to 8 mph.
 NWS Short Term Weather Forecast
Sunday

Sunday: Areas Of Fog then Mostly Sunny
Areas Of Fog then Mostly Sunny
Sunday
Night
Sunday Night: Partly Cloudy
Partly Cloudy
Monday

Monday: Partly Sunny then Slight Chance Showers And Thunderstorms
Partly Sunny then Slight Chance Showers And T-Storms
Monday
Night
Monday Night: Slight Chance Showers And Thunderstorms then Partly Cloudy
Slight Chance Showers And T-Storms then Partly Cloudy
Tuesday

Tuesday: Mostly Sunny then Slight Chance Showers And Thunderstorms
Mostly Sunny then Slight Chance Showers And T-Storms
Tuesday
Night
Tuesday Night: Chance Showers And Thunderstorms then Partly Cloudy
Chance Showers And T-Storms then Partly Cloudy
Wednesday

Wednesday: Mostly Sunny then Slight Chance Showers And Thunderstorms
Mostly Sunny then Slight Chance Showers And T-Storms
Hi 64°F Lo 42°F Hi 76°F Lo 42°F Hi 66°F Lo 44°F Hi 78°F
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