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National Weather AlertsNOAA Official
2 Total Active

Updated 09:46 PM

📍 San Francisco, CaliforniaLive · Open-Meteo
Active Weather AlertsNOAA Official
69°F
Feels 68°F·Accurate
69°50°💧 0%
23% cloud
59.1 mi
57% RH
Dew 53°F
Wind & Gusts
NESW

Current

4

mph WNW

Gusts Now

4

mph

Peak Speed

11

mph today

Peak Gust

15

mph today

Barometric Pressure
Normal · Stable
1019hPa · 30.09 inHg
StormRainChangeNormalFair
UV Index
3.7 · ModeratePeak today
Rain Gaugeinches

Last Hour

0.00

in

Today Total

0.00

in

0"0.5"1"1.5"2"
☔ 0% chance today
Fire Danger TodayState Forest Conditions
✅
Low
Very LowLowModerateHighExtreme
🌡️ 69°F💧 57% RH💨 4 mph🌧️ 0% precip
Air QualityEuropean AQI
34 · Fair

Acceptable air quality

GoodFairModeratePoorVery Poor

Fine Dust

9 µg/m³

Coarse Dust

11 µg/m³

Nitrogen Oxide

7 µg/m³

Ground Ozone

87 µg/m³

Sunrise

06:40 AM

Sunset

05:05 PM

Moon Phase
🌒
Waxing Crescent15% illuminated
🎯 Solunar Activity Periods

AM Major

06:10 AM

~2 hrs

AM Minor

12:23 PM

~1 hr

PM Major

06:36 PM

~2 hrs

PM Minor

11:58 PM

~1 hr

Peak wildlife activity windows

Nearby River FlowUSGS
Loading river gauges…
NOAA WeatherOfficial

San Francisco, CA

WFO: MTR · Radar: KMUX

📡

📻 NOAA Weather Radio All Hazards

Broadcast 24/7 on frequencies 162.400–162.550 MHz. Tune a weather radio or scanner to your nearest WX station for continuous official broadcasts including watches, warnings, and forecasts.

Find local NWR station frequencies

Weather · Open-Meteo & NOAA · Updates on page load

72-Hour TrendsHistorical
09:00 PM03:00 AM09:00 AM03:00 PM09:00 PM03:00 AM09:00 AM03:00 PM09:00 PM03:00 AM09:00 AM09:00 PM020406080Avg 58°F

Last 72 hours · Open-Meteo

Field Readiness
Good Field Conditions

69°F

Low Risk

69°F

Comfortable

57%

Low Risk

0%

Dry Trails

🌙 Twilight Times (Tonight)

Civil

01:48 AM

Nautical

02:19 AM

Astro

02:50 AM

After astronomical twilight: complete darkness for night vision setup

Geomagnetic ActivityK-Index · NOAA SWPC
2

2 · Minor

Weak geomagnetic activity. Some compass variation possible.

0 Quiet3 Minor5 Storm9 Extreme

✅ Good conditions

Updated: 09:43 PM

Nearby Sightings (7 days)within 50 mi
Temp69°F
Humidity57%
Wind4 mph
Now · Log conditions when you submit a pin!

No approved sightings within 50 miles in the last 7 days

Be the first to log something!

Animal Activity Predictor
70

Good

Activity likelihood right now

🌙Moon Phase
70%
🌅Solunar Period
60%
📊Barometric
55%
🌡️Temperature
90%
💨Wind
90%

Based on moon phase, solunar tables, barometric pressure, temp & wind

Optimal Stakeout Windows

#1

Pre-Dawn

100/100

#2

Dawn

100/100

#3

Late

100/100

All Periods Today

Pre-Dawn (5am)
🟢 Prime
Dawn (6am)
🟢 Prime
Morning (8am)
🟢 Prime
Midday (12pm)
🟠 Fair
Late Afternoon (5pm)
🟢 Prime
Dusk (6pm)
🟢 Prime
Early Night (8pm)
🟢 Prime
Night (10pm)
🟢 Prime
Midnight (12am)
🟢 Prime
Late Night (2am)
🟢 Prime

⭐ = current time period

Scent Dispersal Calculator

Wind carries scent toward

ESE (114°)

Stay downwind if facing

WNW

Humidity effect on scent

Normal

Scent Cone Spread by Distance

55 yds
±436 yds0min
110 yds
±871 yds1min
275 yds
±2160 yds2min
550 yds
±4269 yds5min
1100 yds
±8342 yds9min

Gaussian plume model · Stability class D · 4 mph wind

Sound Carry Estimator

Speed of Sound

1127 ft/s

Atmos. Absorption

0.15 dB/100yd

Wind Assist

None

Max Audible Range by Sound Type

🪵
Wood knock (bat on tree)1394 yds
🗣️
Loud vocalization / howl1.2 mi
🌿
Branch snap (large)295 yds
🪨
Rock clacking509 yds
🦶
Footstep (heavy, dry leaf)48 ft
🌲
Tree structure collapse853 yds

Inverse square law + atmospheric absorption · 69°F · 57% RH

Battery Life Estimatorat 69°F
✅ Batteries operating near rated capacity
🔋AA Alkaline
4.0h
⚡AA Lithium
10h
🔌18650 Li-ion
8.0h
🔦CR123A
6.0h
🚁LiPo Drone
30min
🚗Car Jump Pack
200h

Estimated field life under moderate continuous use

Lens Fogging Risk

Air Temp

69°F

Dew Point

53.1°F

Risk by Equipment Type

📷Camera lens (metal housing)✅ Clear
🎥Trail cam (outdoor rated)✅ Clear
🔭Binoculars (glass lens)✅ Clear
🌙Night vision optics✅ Clear
📱Smartphone screen✅ Clear
🔥Thermal imaging lens✅ Clear
Anti-fog tips ▾
  • •Store optics in sealed bag before bringing indoors (cold → warm)
  • •Use anti-fog lens wipes before deployment
  • •Allow 15-30 min acclimatization when moving environments
  • •Silica gel desiccant packs in camera bags

Surface fogging occurs when equipment temp ≤ dew point

Condition History

Recent Condition Pins (your account)

No condition pins logged yet — use the button above!

Hit "+ Snapshot" to record current conditions to your local session log

Lunar & Solar TimesComputed
Current: SunriseSolar elev: 29.8°
🌘

Waning Crescent

19% illuminated

🌑 New moon — maximum darkness, ideal for thermal/audio research
🔭

Astronomical Dawn

Stars barely visible — deepest dark

01:10 PM
⚓

Nautical Dawn

Horizon visible at sea

01:41 PM
🌄

Civil Dawn

Enough light to see without artificial light

02:12 PM
☀️

Sunrise

Full daylight begins

02:40 PM
🌇

Sunset

Full daylight ends

11:59 PM
🌆

Civil Dusk

Artificial light needed

11:59 PM
🌃

Nautical Dusk

Horizon disappears at sea

11:59 PM
🌌

Astronomical Dusk

Full astronomical darkness

11:59 PM

Twilight times calculated for your GPS coordinates

Community Field ConditionsCrowdsourced
Radius:

No community condition logs within 50 miles. Be the first — tap "Quick Log" to record your conditions!

Weather × Sighting Correlation

📊 Peak: 55-70°F — 4 sightings (40% of total)

<40°F40-55°F55-70°F70-85°F>85°F01234

Based on 10 weather-tagged approved pins · Highlighted bar = peak condition

SKYWARN

NWS Storm Spotter Network

Field Safety

SKYWARN is the official National Weather Service storm spotter program. Certified spotters monitor and report developing severe weather — a vital skill for any field researcher operating in remote areas.