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Adams County
 Details for Adams County Dense Fog Advisory
 Thornton
 Details for Thornton Dense Fog Advisory
Dense Fog Advisory DENSE FOG ADVISORY - Adams County  - Thornton

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METRIC | IMPERIAL
Updated: 27-Oct-2026 @ 1:45am   (0 sec ago)
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Warmer 1°F than last hour.

41.6°F

24-hr diff: -2.9°FColder 2.9°F than yesterday at this time.
Cold
High Today
41.6°F
1:36 AM 		Low Today
38.9°F
12:01 AM
Yest High
54.3°F
2:47 PM 		Yest Low
39.1°F
11:42 PM
Sta* High
81.8°F
2016 		Sta* Low
4.7°F
2020
* This Station's Records Since 11/2006
Night time, Dry, A few clouds Night time, Dry, A few clouds

Wind from WSW Wind:  WSW
3.2
Gusting to:
 3.0 mph
Current Rain Rain:
0.00 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
-2.1 of 100
Overnight

Overnight: Widespread Fog
Widespread Fog
Tuesday

Tuesday: Widespread Fog then Mostly Sunny
Widespread Fog then Mostly Sunny
Tuesday
Night
Tuesday Night: Mostly Clear
Mostly Clear
Lo 38°F Hi 65°F Lo 40°F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Increased 1.1°F since last hour. 40.0°F
Last Hour: Increased 1.1°F since last hour. +1.1°F
High 1:36 AM: 40.0°F
Low 12:01 AM: 37.0°F
Record High: 73.2°F on
3-Aug-2007
Record Low: -17.3°F on
16-Jan-2024
Wetbulb: 40.9°F
Rain Today
rain graph
Today: 0.00 in
Storm Rain: 0.28 in
Yesterday: 0.28 in
Last 7 Days: 0.28 in
Oct Rain: 0.81 in
Oct to Date
  Avg:10 		0.81 in
Oct to Date
  Diff from Avg:10 		No Change 0.00 in
Oct Avg: 0.89 in
Diff from Avg: Under 0.08 in for the month 0.08 in
Season:1 7.49 in
YTD
  Avg:11 		13.12 in
YTD
  Diff from Avg:11 		Under 5.63 in for the year 5.63 in
Last Rain
Time/Date: 		26-Oct-2026
at 7:36 AM
61 rain days in 2026
4 days in October
0 days since last rain
Current: WSW  3.2 mph
1Hr Average: 1.7 mph
Wind Run: 2.74 miles
Wind Gust
Current: 3.0 mph
Today: 8.1 mph 1:30 AM
Month: 33.0 mph 15-Oct
Year: 43.0 mph 25-Feb
Record Gust: 62.1 mph
17-Apr-2018
Sunlight:
10 h 42 m 45 s
of Sunlight Yesterday
10 h 40 m 21 s
of Sunlight Today Which is
2 min 24 sec shorter than
yesterday
10 h 37 m 57 s
of Sunlight Tomorrow
 (Noon) graph (Midnight)
 Legend

Waning Gibbous
Waning Gibbous, 16 days, 15 hours, 59 minutes in cycle
98%
Illuminated
Humidity Barometer
Current: No Change 94%
Last Hour: No Change 0%
High 12:14 AM: 94%
Low 12:00 AM: 93%
Record High: 100%
12-Feb-2007
Record Low: 0%
1-Jan-2008
Current: Falling 0.02 inHg/hr 29.818 inHg
Last Hour: Falling slowly
High 12:00 AM: 29.854
Low 1:43 AM: 29.816
Record High: 31.086 inHg
30-Dec-2014
Record Low: 25.130 inHg
17-Dec-2006
Heating Degree Days Snow3 Wind Chill Air
Today: 1.5
Oct: 176.1
2026 to Date: 2621.4
Cooling Degree Days
2026 to Date: 1163.8
Today: 0.00 in
Yesterday: 0.00 in
Oct Snow: Under 3.78 in for the month 0.00 in
Oct Avg: 3.78 in
Diff from Avg: -3.78 in
Season Total:2 0.00 in
Snow Depth: 0.00 in
0 snow days in October
0 snow days this season.2
First Snow of Season:
8-Jan-2026
Average 1st Snow:
29 of Oct
Current: 40.0°F
Low 12:54 AM: 37.3°F
Yesterday: 37.6°F
Record: -31.0°F
22-Dec-2022
Quality
Index6:
37

Good
Density:
1.26 kg/m3
UV Summary/Forecast Solar Summary
High Yest:   3.8 @ 12:34 PM
Oct-27

3.7 		Oct-28

3.5 		Oct-29

3.4
High Yest:   851.0 @ 12:40 PM
Sun Hours Today:
00:00
   This Month: 159:09 Hrs
Rise: 7:23 am  Set: 6:04 pm
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Night
YTD Avg Temp: 59.9°F
Sunrise: 7:23 am
Sunset: 6:04 pm
Moonrise: 6:13 pm
Moonset: 9:18 am
Full Moon: 25-Oct-2026
New Moon: 07:03 UTC
09-Nov-2026
Updated at Midnight
Current ET: 0.00 in
7-Days Rain: 0.28 in
7-Days ET: 0.68 in
7-Day: 0.401 in water in deficit of what evaporated in last 7 days. 0.401 in
October: 1.87 in water in deficit of what evaporated this month. 1.87 in
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HIGHS: LOWS:
104.4°F
25-Jul-2026 		-14.6°F
2-Feb-2011
Daytime Records
  100.8°F°F
02-Aug-2026 		  -8.1°F°F
22-Dec-2022
Nitetime Records
  88.0°F°F
15-Aug-2012 		  -10.7°F°F
02-Feb-2011
ICN:1 | S3C2:1 | Ajax 3.xx
ISS:Ok | CON:4.7 | RCP:100%
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.   10 Historical average only to day 27 of just the month of October for this station since 2006.   11 Historical average rain this season to day 27 of October for this station since 2006.
 NWS Weather Forecast  -   Outlook Overnight & Tuesday
Overnight

Overnight: Widespread Fog
Widespread Fog

Lo 38°F 		NWS forecast: Widespread fog. Mostly cloudy. Low around 38, with temperatures rising to around 40 overnight. Northwest wind around 3 mph.
 Tuesday

Tuesday: Widespread Fog then Mostly Sunny
Widespread Fog then Mostly Sunny

Hi 65°F 		NWS forecast: Widespread fog before 11am. Mostly sunny. High near 65, with temperatures falling to around 61 in the afternoon. South southeast wind 2 to 7 mph.
 NWS Short Term Weather Forecast
Tuesday
Night
Tuesday Night: Mostly Clear
Mostly Clear
Wednesday

Wednesday: Mostly Sunny
Mostly Sunny
Wednesday
Night
Wednesday Night: Mostly Clear
Mostly Clear
Thursday

Thursday: Mostly Sunny
Mostly Sunny
Thursday
Night
Thursday Night: Mostly Cloudy
Mostly Cloudy
Friday

Friday: Partly Sunny
Partly Sunny
Friday
Night
Friday Night: Mostly Cloudy
Mostly Cloudy
Lo 40°F Hi 69°F Lo 40°F Hi 68°F Lo 43°F Hi 66°F Lo 44°F
Click here for the complete forecast.
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