These are links to external sources of general information useful in planning a hike. These include:

15 day weather forecasts

14 day precipitation outlook

National Weather Service Regional Map

National Weather Service 3-Month Temp Outlook

Snow Cover

National Flood Advisories

National Fire Information

Water Watch- dry to wet conditions

National Lyme Risk Map

ALDF Lyme Incidence Maps

National West Nile Cases Map

UV Index Map

This page updated April 19, 2009.

Potentially useful information for planning long-distance hikes
select a city from the map on the right which is near your hiking destination, and click for a 15-day weather forecast
(sites will open in a new window)
Pick a City
National Weather Service Regional Map
(site will open in a new window)
Regional Map from the National Weather Service. A US map with clickable regions giving details of current weather conditions and hazards.
National Weather Service 3-Month Temperature Outlook
(site will open in a new window)
Regional Map from the National Weather Service. A US map with clickable regions giving a 3-month temperature outlook.
Precipitation Outlook
(site will open in a new window)
Precipitation Outlook from the National Centers for Environmental Prediction. A color-filled contour map of the predictions for the conterminous United States.
Snow Cover
(site will open in a new window)
Snow Cover from Weather Underground. A color-filled contour map of the current snow depths across the United States. The data is taken from a U.S. Air Force data set that is updated once per day at about 8pm EST.
National Weather Service 5-day flood advisories
(sites will open in a new window)
NCTA news article about these sites
continental map of regions. Choose the appropriate region and zoom in for a high level of local detail.
quick outlook for generalized significant flooding. This site is easy to use, but does not include highly local events.
National Weather Service fire information
(sites will open in a new window)
National Fire Danger Classification Map
Map of current wildfires. Choose a fire icon from the US map and identify exact location and status.
USGS Water Watch
(site will open in a new window)
USGS Water Watch can help you learn if a region along the trail is experiencing dry, normal or wet conditions.
CDC Lyme Risk Map
(site will open in a new window)
Lyme Risk Map from the Center for Disease Control shows approximate distribution of risk in four categories from low/no risk to high.
ALDF Lyme Incidence Maps
(site will open in a new window)
Lyme Incidence Maps from the American Lyme Disease Foundation shows the geographical distribution of US Lyme cases through 2000.
CDC West Nile Reported Cases Map
(site will open in a new window)
West Nile Reported Cases Map from the Center for Disease Control shows the distribution of avian, animal, or mosquito infection occurring during 2004 with number of human cases if any, by state.
UV Index Map
(site will open in a new window)
UV Index Map from the US EPA and NOAA, using the new global index system. Page has links to others which explain the index.
Crown Point, NY Rome, NY Ithaca, NY Salamanca, NY Clarion, PA Marietta, OH Cincinnati, OH Defiance, OH Grand Rapids, MI Traverse City, MI Mackinaw City, MI Paradise, MI Marquette, MI Mellen, WI Duluth, MN Ely, MN Walker, MN Valley City, ND Harvey, ND Riverdale, ND