Weather station is at Hidden Valley but applicable.
This rain station is close to Castlewood but applicable.
Weather information about the Cliff Cave area:
Here's one right across I-44 that appears to have a working precip sensor:
Weather station #43 [https://www.wundergr...rd?ID=KMOWILDW4] seems to be reporting precip
St. Charles County Rain Gauges
St. Charles County Rainout Line
THE RAINOUT LINE IS THE OFFICIAL PARKS POLICY
CLOSED = NO RIDE
For local precip history:
Missouri River gauge in St. Charles (23 feet and over = flooded slough = no access to the trail):
Same info, with predictions for the next few days:
Indian Camp Creek
Weather station near Klondike/Matson:
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:
In case you're a purist, and want the original data:
Wunderground with data from Chesterfield Airport, more or less across from Lost Valley / Weldon Spring.
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
Silver Lake Trail is maintained by City of Highland: http://www.ci.highla...L_ParkRec/index
Rain Gauge: http://www.wundergro...ILTROY2#history
Closer to Potosi but still in the region
Council Bluff + Middle Fork + Trace Creek
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.
Rain Gauge/Weather: http://www.wundergro...OSTJAM3#history
Trail Info/Conditions: https://www.facebook.com/MTBFCT
St. Joe Park:
Farmingtion Regional Airport