AgEBB-MU CAFNR Extension

Weather and Climate Resources

Pat Guinan ( )
Extension/State Climatologist

University of Missouri Commercial Agriculture Extension Program

Missouri Mesonet

A University of Missouri Extension network of three dozen automated weather stations in Missouri providing historical and real-time weather conditions, including air temperature, relative humidity, wind speed, wind direction, rainfall, solar radiation and soil temperature. Supplemental monitoring at some of the stations includes barometric pressure, fuel moisture, leaf wetness and temperature inversion information.

Missouri Climate Center

The Missouri Climate Center has been recognized as an official American Association of State Climatologists Recognized State Climate Office (ARSCO) in the National Climate Services Partnership. One or more of the following activities and services are provided by the state climate office:

  1. Coordinate and collect weather observations for the purpose of climate monitoring
  2. Summarize and disseminate weather and climate information to the user community
  3. Demonstrate to the user community the value of climate information in the decision making process
  4. Perform climate impact assessments and weather event evaluations
  5. Conduct climate research, diagnosis, and projections

Missouri Frost \ Freeze Probabilities Guide

A University of Missouri Extension resource that provides frost/freeze probabilities for several low temperature thresholds. Tables, contour maps and point specific maps are provided.

Missouri Agricultural Weather from Agricultural Electronic Bulletin Board

Horizon Point

Horizon Point is a free custom weather analysis system for Missouri farmers provided through University of Missouri Extension. It provides farmers with the opportunity to have site specific weather reports sent directly to their e-mail address.

Design Storm Alert System (DSAS)

The DSAS is a web-based monitoring system tracking precipitation accumulation across Missouri. DSAS is updated daily and reports which counties have met or exceeded various design storm criteria. A design storm is the amount of rain for which a structure was designed. The current DSAS is focused on managing open/uncovered storages used for manure and domestic wastewater.

CoCoRaHS - Community Collaborative Rain, Hail, & Snow Network

These two web links will display forecast maps, every 3-hours out to 7 days, of user selected weather variables.

Useful to Usable (U2U) Decision Dashboard

An array of decision support tools (DSTs) funded by the USDA and developed by a team of over 50 faculty, staff and students from 9 Midwestern universities. DSTs include AgClimate View, CornGDD, Climate Patterns Viewer, Corn Split N and Probable Fieldwork Days.

Real Time Weather Radar

The latest radar image of the United States and Missouri in addition to loop capability.

National Digital Forecast Database

These two web links will display forecast maps, every 3-hours out to 7 days, of user selected weather variables.

National Weather Service Safety Tips

National Weather Service

Obtain weather and climate information from your local National Weather Service office. Once you go to the main National Weather Service web site, refer to the map and click on your region. You will then be linked to your local National Weather Service web site.

NWS Precipitation Analysis

These pages graphically show the short term observed and climatic trends of precipitation across the lower 48 United States and Puerto Rico.

NOAA Precipitation Frequency Data Server (PFDS)

The Precipitation Frequency Data Server (PFDS) is a point-and-click interface developed to deliver NOAA Atlas 14 precipitation frequency estimates and associated information.

Climate Prediction Center (CPC)

Products include 6-10 day forecasts, monthly and seasonal outlooks, soil moisture conditions, El Nino and La Nina advisories, hurricane forecasts etc...

Regional Climate Centers and the Midwestern Regional Climate Center (MRCC)

The Midwestern Climate Center is one of 6 regional climate centers in the United States. It is a cooperative program of the National Climatic Data Center, U.S. National Weather Service, State Climate Offices and the Illinois State Water Survey in Champaign, IL offering a variety of climate products and services.

Western Regional Climate Center's U.S.A. State and Divisional Climate Data

This site contains easy access to historical monthly temperature and precipitation data from 1895 to current. The data are compiled by climate division and state.

National Centers for Environmental Information (NCEI)

NCEI is a part of the National Oceanic and Atmospheric Administration (NOAA) and is the repository for the United States climate records.

  • Comparative Data Publication
    • This PDF document provides a monthly and annual climatology for numerous environmental variables from several locations in the United States including: extreme temperatures, mean no. of days with minimum temp 32°F or less, mean no. of days with precipitation =0.01", average snowfall, average wind speed, maximum wind speed, percentage of possible sunshine, mean number of clear, partly cloudy and cloudy days, average relative humidity in the morning and afternoon, normal daily max, min and mean temp, normal heating and cooling degree days, and normal precipitation.

  • U.S. Temperature and Precipitation Streaks
    • Generate a map and data table of either weather streaks on a given day or all-time longest streaks.

USDA Regional Climate Hubs

Landscape Conservation Cooperatives

Climate Science Centers

Southern Climate Impacts Planning Program (SCIPP)

Storm Prediction Center (SPC)

SPC monitors and forecasts severe and non-severe thunderstorms, tornadoes, and other hazardous weather.

Storm Event Data Base from the National Climatic Data Center (NCDC)

All notable and severe weather events in the U.S. from 1993 - current. Find storms recorded in your county. Pre-1993 data includes: Tornadoes 1950-1992, Thunderstorm Winds 1959-1992 and Hail 1959-1992.

U.S. Storm Reports over the Past 24 Hours from Weather Underground

Storm reports, by county, over the past 24 hours including tornado, flood, hail, wind damage lightning, heavy snow, deaths, injuries and other.

Real-Time Weather Data for Meteorologists

This site has a nice compilation of weather resources including satellite images and loops.

The Joint Agricultural Weather Facility

The Joint Agricultural Weather Facility (JAWF) is jointly operated by the World Agricultural Outlook Board of the U.S. Department of Agriculture (USDA) and the National Oceanic and Atmospheric Administration (NOAA) of the U.S. Department of Commerce. This web page contains national and international agricultural weather information in addition to other agricultural weather links.

Missouri Agricultural Statistics Service (MASS)

MASS is a cooperative service of USDA's National Agricultural Statistics Service, University of Missouri, and the Missouri Department of Agriculture. The MASS publishes current and historic statistics concerning agriculture and weather in Missouri.


  • National Drought Mitigation Center (NDMC)

  • The NDMC helps people and institutions develop and implement measures to reduce societal vulnerability to drought.
  • U.S. Drought Monitor Map

  • A collaborative effort among various agencies to depict weekly drought conditions across the U.S.
  • U.S. Drought Impact Reporter

  • The NDMC Drought Impact Reporter is intended to be the initial step in creating a comprehensive database. The principal goal of the Drought Impact Reporter is to collect, quantify, and map reported drought impacts for the United States and provide access to the reports through interactive search tools.
  • Drought Impact Reporter Survey

  • Report drought-related conditions and impacts within the U.S. This is a nation-wide service provided by the National Drought Mitigation Center, based at the University of Nebraska, in partnership with the National Integrated Drought Information System.
  • Drought Conditions and Impacts Map

  • All U.S. drought-related conditions and impacts submitted using the reporter survey will be displayed on this map. This is a nation-wide service provided by the National Drought Mitigation Center, based at the University of Nebraska, in partnership with the National Integrated Drought Information System.
  • National Land Data Assimilation System (NLDAS) Drought Monitor Soil Moisture
  • Standardized Precipitation Index (SPI) Interactive Mapping Tool

  • River Information Resources for Missouri

    Sunrise, Sunset, Moonrise, Moonset, Eclipses

    U.S. Air Quality - The Smog Blog

    USAQ is a daily diary of air quality in the U.S. prepared using information from satellites, ground-based measurements, and models. Interpretation and analysis are provided by the staff of the University of Maryland, Baltimore County, Atmospheric Lidar Group.


    Get the latest information on upcoming meteor showers, auroras, eclipses, and other celestial delights

    Climate Change

    The latest information on climate change and research products.

    United States Monthly Climate Normals (1981-2010)

    Obtain the latest monthly temperature and precipitation normals for hundreds of locations across the United States:

    Radar and Satellite Image Archives

    You can obtain historical weather images including radar and satellites loops for any day you choose beginning 1996.

    Current Climate Summary Maps

    This web site provides national and regional maps of average temperatures, accumulated precipitation, departures from normal and percentages of normal over numerous time periods ranging from 1 week to 3 years.

    Quantitative Precipitation and Winter Weather Forecasts

    Quantitative precipitation forecasts for the U.S. are giving for 1,2,3, 5 and 7 days in a contour map format.

    International Weather

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