Citizen station EW1948EW1948
In a volunteer observer's own ground/7.1 mi away/514 ft/88 ft above here
temp, humidity, wind, precip, pressure
Mastodon State Historic Site, Missouri
State Historic Site in Jefferson County, Missouri72°
81°/67°
Mostly cloudy·
Feels like 72°·Gentle breeze 8 mph W
Coming up. Tomorrow is 23 degrees cooler: a high of 58° after 81° today.
Now. Mastodon State Historic Site is 72° and mostly cloudy at 9 PM. The dew point is 65°, so the air feels humid and sticky. Gentle breeze from the west at 8 mph.
Today and tonight. Tonight falls to about 48° by 8 AM, with some cloud.
The week. The warmest day ahead is Wednesday, near 78°, and the coolest tomorrow, near 58°. The days ahead look dry. Frost is possible Sunday morning, a low of 36°.
The sky now. The Moon is a waxing crescent, 25% lit, and stays below the horizon until dawn. The next full Moon is Sunday, Oct 25. Look for Saturn, bright in the southeast. A planet shines with a steady light where the stars around it twinkle. The Orionids meteor shower is active, peaking around Oct 21: at its peak, up to about 20 meteors an hour can be seen from a dark site. The day is 11 hours 15 minutes long, 2 minutes shorter than yesterday.
0UV Low
27Air quality
72%Humidity
64%Cloud
Now
9:00 PM
72feels72
12%
Today
Oct 15
8167
95%
14mph
Fri
Oct 16
5846
16%
18mph
Sat
Oct 17
6039
UV 6
Sun
Oct 18
6636
UV 6
Mon
Oct 19
7140
overcast
Tue
Oct 20
7543
overcast
Wed
Oct 21
7846
overcast
72°
81°67°
58°46°
60°39°
66°36°
71°40°
75°43°
78°46°
As of 9:00 PM in Mastodon State Historic Site, Missouri.
Air quality
The air at Mastodon State Historic Site
Index 27, good, led by ozone. Read at 9 PM from its reporting area, Saint Louis (MO), 24 miles off.
27Good
- Fine particles (PM2.5)19Good4.7 mi
- Ozone27Good26 ppb4.7 mi
- Coarse particles (PM10)8Good4.7 mi
- Nitrogen dioxide1Good1.6 ppb4.7 mi
- Sulfur dioxide0Good0.4 ppb8.1 mi
- Carbon monoxide-0.2 ppm18.5 mi
The days ahead
Good each day through Today, led by ozone. Yesterday measured 44, good.
GoodModerate
- 44YesterdayOct 14
- GoodTodayOct 15
Smoke, the next 41 hours
No smoke near the ground through Sat 1 PM.
Precipitation
What has fallen at Mastodon State Historic Site
0.42 in in the last 24 hours, 0.87 in over the last 3 days, to Thu 8 PM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.42in
- Last 3 days
- 0.87in
3 days agoLast 24 hours 48%
Visibility
How far you can see at Mastodon State Historic Site, the next 41 hours
Visibility stays 7 miles or more through Sat 1 PM, lowest 7 miles Fri 1 AM.
F
Now, today, and the week
Weather instrument stations by state
Park
- Designation
- State Historic Site
- Area
- 0.65 sq mi
- Height at its point
- 426 ft
- County
- Jefferson County
- State
- Missouri
- Latitude
- 38.3810° N
- Longitude
- 90.3971° W
What is measuring near here
The 6 instruments nearest Mastodon State Historic Site, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.6 miles away.
measured now4 instruments
St Louis - Missouri Botanical GardensMBGM7
At a river or reservoir gauge/17.6 mi away/509 ft/83 ft above here
temp, wind, gust, humidity, pressure
Shaw Nature ReserveS2227
At a soil climate station/23.4 mi away/623 ft/197 ft above here
temp, humidity, soil temp, soil moisture
At an airfield/23.7 mi away/463 ft/37 ft above here
temp, wind, gust, visibility, precip, pressure
measured daily2 instruments
Arnold 2.3 SMO-JF-32
In a volunteer observer's own ground/1.6 mi away/525 ft/99 ft above here
precip, snowfall, snow depth
Imperial 3NWIMPM7
At a cooperative observer's station/2.5 mi away/509 ft/83 ft above here
snowfall, snow depth, precip, high, low
What the snow tracker reads here
Every instrument in this state
-
Snow on the ground
Elsewhere in Missouri
24 places, each with its own forecast and its own instruments.
BransoncityCape GirardeaucityColumbiacityHannibalcityHidden Valleyski areaIndependencecityJefferson CitycityJoplincityKansas CitycityKirksvillecityLake of the OzarksfeatureMark Twain National ForestfeatureMaryvillecityPoplar BluffcityRollacitySedaliacitySikestoncitySnow Creekski areaSpringfieldcitySt CharlescitySt JosephcitySt LouiscityTable Rock LakefeatureWest Plainscity
Near Mastodon State Historic Site
The nearest places, each with its own forecast and the instruments nearest it.