Bluff View
Weather station is at Hidden Valley but applicable.
https://www.wundergr...OGROVE6#history
Castlewood
http://www.wundergro...sp?ID=KMOBALLW3
Chubb
This rain station is close to Castlewood but applicable.
http://www.wundergro...BALLW12#history
Cliff Cave
Weather information about the Cliff Cave area:
http://www.wundergro...sp?ID=KMOOAKVI3
Creve Coeur
http://www.wundergro...sp?ID=KMOMARYL6
Greensfelder
https://www.wundergr...y=pws:KMOWILDW4
Here's one right across I-44 that appears to have a working precip sensor:
https://www.wundergr...omeCardLocation
Rockwoods Range
Weather station #43 [https://www.wundergr...rd?ID=KMOWILDW4] seems to be reporting precip
++++++
St. Charles County Rain Gauges
St. Charles County Rainout Line
https://rainoutline....dnis/6367070011
636-707-0011
THE RAINOUT LINE IS THE OFFICIAL PARKS POLICY
CLOSED = NO RIDE
Bangert Island
For local precip history:
http://www.wundergro...sp?ID=KMOSAINT4
Missouri River gauge in St. Charles (23 feet and over = flooded slough = no access to the trail):
http://waterdata.usg...wis/uv?06935965
Same info, with predictions for the next few days:
http://water.weather...1,1,1,0,1,1,1,1
Broemmelsiek
http://www.wunderground.com/personal-weather-station/dashboard?ID=KMOWENTZ5#history
Indian Camp Creek
http://www.wundergro...sp?ID=KMOWENTZ4
Klondike
Weather station near Klondike/Matson:
http://www.wundergro...sp?ID=KMODEFIN2
Lost Valley
I think this site has a nicer presentation of the National Weather Service
data from Spirit of St. Louis Airport, which is right across the river from Lost Valley:
http://www.hamweathe...chive&icao=KSUS
In case you're a purist, and want the original data:
http://www.weather.g...story/KSUS.html
Wunderground with data from Chesterfield Airport, more or less across from Lost Valley / Weldon Spring.
http://www.wundergro...87,-90.65110779
Matson Hill
The above weatherstation never seems to be online, so this is the next closest one I can find (it's about 7~8 miles north of the Matson trail system). http://www.wundergro...sp?ID=KMODEFIN2
Quail Ridge
http://www.wundergro...sp?ID=KMOLAKES6
+++++
Illinois Region
SIUE:
https://www.wundergr...localwx_pwsdash
Silver Lake
Silver Lake Trail is maintained by City of Highland: http://www.ci.highla...L_ParkRec/index
Rain Gauge: http://www.wundergro...ILTROY2#history
++++++++++=
Berryman
Closer to Potosi but still in the region
http://www.wundergro...OPOTOS4#history
Council Bluff + Middle Fork + Trace Creek
http://www.wundergro...=MCBFM7#history
Looks like the weather station that used to be at the swim beach has been shut down. This is the next closest one that's currently operating. Located in Bismarck, around 15 miles to the east.
http://www.wundergro...sp?ID=KMOBISMA5
Binder Lake:
http://www.wundergro...JEFFE23#history
Forest City
Rain Gauge/Weather: http://www.wundergro...OSTJAM3#history
Trail Info/Conditions: https://www.facebook.com/MTBFCT
St. Joe Park:
Farmingtion Regional Airport
http://www.wundergro...74,-90.42833710