Our Proprietary 10-Day Forecast

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Current warnings over Lempster, New Hampshire
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<p>Warnings from F5Weather</a></div>

United States weather warnings are issued by various organizations under NOAA. Most from the National Weather Service, but also Storm Prediction Center and National Hurricane Center.

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Current radar over Lempster, New Hampshire red dot
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<p>Live radar from F5Weather</a></div>

Our radar is based off of US NEXRAD and Canadian weather radar sites through the quality controlled MRMS system. It compiles various sources for radar data and filters out erroneous returns such as sun spikes and ground clutter. We then colorize the precipitation based on our methods for determining precipitation type. Rain is in shades of green, mixed precipitation and freezing rain in shades of pink and snow is in shades of blue.

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Current satellite over Lempster, New Hampshire red dot
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<p>Live satellite from F5Weather</a></div>

Our satellite is from the GOES-16. It is color enhanced by using a geocolor terrain background during the day and black marble city lights at night. The daytime satellite data is Visible satellite imagery, and nighttime uses Infrared bands. The bluish clouds are fog and low cloud. The whiteest clouds are the coldest, highest cloud tops.

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Current surface weather map around Sullivan County, NH

This surface map is from the HRRR computer model. It is a 1-hour forecast, updated hourly, which is a good estimate of the current surface conditions. This map shows the current high and low pressure centers, pressure isobar contours, wind streamlines and thickness contours. It also shows the currently depicted preciptiation estimates, although this should not be a substitute for actual live radar. The purple dashed contour is the 5400m thickness line, which is often a good proxy for the rain/snow line.

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Temperatures right now near Lempster, New Hampshire

This is the latest surface temperatures as depicted by the HRRR computer model, updated hourly. Although these are not actual observations, this model is a very good representation of current conditions as it factors in observations, terrain and physics to give you more detailed temperatures in areas that do not have reporting weather stations. For the latest reports at specific locations, like in Lempster, NH please see our current conditions data on the left and right side of this page, or go to our current conditions page.

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Surface wind speed map over Lempster, NH

This map shows the latest HRRR computer model winds. This depiction of the current wind directions and speeds is an estimate from the computer model. For actual observations in Lempster, NH, see the current conditions data on the left and right side of this page, or go to our current conditions page.

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Regional 24 hour rainfall expected near Lempster, New Hampshire

This is a forecast of the amount of precipitation expected over the next 24 hours from the HRRR weather forecast model. This is only one forecast depiction, and you should check other models to get a better idea of what may happen. You can view this and other models in more detail on our main weather forecast maps page. There, you will also be able to look at forecasts beyond just 24 hours and look at forecasts out to as far as 16 days.

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Area snowfall accumulation expected around Sullivan County, New Hampshire

This is snowfall forecast, with amounts anticipated in the next 24 hours. This guidance is from the HRRR weather model. For more model forecasts out to 16 days, visit our main weather forecast maps page.

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These are Convective Outlooks from the Storm Prediction Center. Click to see Days 1-3 broken down into Tornado, Wind and Hail threats, as well as days 5-8 outlooks.

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Atlantic Hurricane and Tropical Storm Tracking Map
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<p>Hurricane Tracking from F5Weather</a></div>

Our hurricane tracking map monitors for any current or forecast tropical disturbances in the Atlantic. (See our Pacific Hurricane Tracker) Various hurricane models will draw a 'spaghetti plot' in the Atlantic Basin when a disturbance is forecast or exists, showing the system's forecast track. Once a storm has developed, the National Hurricane Center will forecast their official track. This will show up on the map along with the storm's current intensity, track and name. We will also plot some of the storm's vitals and of course the spaghetti plots from the models along with the NHC forecast track will give you an idea of where it's heading, and its forecast intensity with time.

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To view the latest computer models, visit f5wx.com for access to the weather maps and guidance that meteorologists use to make their forecasts.
 
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View Skew-T soundings, textual data tables for your location, and of course maps! Weather forecast maps of the basics like temperature, wind, pressure, humidity, dew point, cloud cover, simulated radar, travel weather, rainfall and snow are available. More advanced users can also get use out of our severe weather & tornado threat maps, as well as upper air & shear graphics.
 
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Climate Summary
(made with AI, use with caution)
Lempster, New Hampshire Climate Summary

Temperature

    •   Average annual temperature: 44.2°F (6.8°C)
    •   Average January temperature: 17.4°F (-8.1°C)
    •   Average July temperature: 66.9°F (19.4°C)
    •   Record high temperature: 98°F (36.7°C)
    •   Record low temperature: -34°F (-36.7°C)

Precipitation

    •   Average annual precipitation: 43.7 inches (1110 mm)
    •   Average snowfall: 71.2 inches (1808 mm)
    •   Wettest month: November (4.9 inches or 124 mm)
    •   Driest month: February (2.4 inches or 61 mm)

Other Climate Data

    •   Average annual sunshine: 2,150 hours
    •   Average wind speed: 10.0 mph (16.1 km/h)
    •   Prevailing wind direction: West-northwest
    •   Average relative humidity: 70%

Climate Classification

    •   Köppen climate classification: Dfb (Warm Summer Continental Climate)

Climate Summary

Lempster, New Hampshire experiences a warm summer continental climate with warm, humid summers and cold, snowy winters. Temperatures average around 44°F (6.8°C) throughout the year. During the summer months, temperatures can reach into the upper 60s and 70s (19-26°C), while winters can bring temperatures below freezing.

Precipitation is relatively evenly distributed throughout the year, with the wettest months being November and December. The average annual snowfall is 71.2 inches (1808 mm).

Lempster receives an average of 2,150 hours of sunshine per year, with the sunniest months being June and July. The prevailing wind direction is west-northwest.

Overall, Lempster's climate is characterized by warm summers, cold winters, and moderate precipitation.

Facts & Historical Information
(made with AI, use with caution)
Natural History

    •   Lempster boasts a pristine 1,000-acre forest, home to diverse wildlife, including moose, black bears, and bobcats.

    •   The town contains part of the Ashuelot River, renowned for its scenic beauty and recreational opportunities.

Science

    •   Lempster is the site of the Lempster Mountain Research Station, established in 1963 to study the effects of acid rain on the local ecosystem.

    •   The town is also home to the Lempster Observatory, which conducts astronomical research and hosts public stargazing events.

Personalities

  • Charles H. Lempster:

    The town's namesake was a prominent 19th-century inventor and manufacturer of agricultural machinery.

  • John Burroughs:

    The renowned naturalist and writer spent time in Lempster, where he observed and wrote about the local flora and fauna.

  • Henry David Thoreau:

    The transcendentalist philosopher and author visited Lempster in 1858 and praised its natural beauty.

    • Tourist Attractions
    1.Mount Sunapee State Park:

    Located just west of Lempster, this park offers stunning views of the surrounding mountains and lakes, as well as opportunities for hiking, biking, swimming, and fishing.

    2.Lake Sunapee:

    This beautiful lake is a popular destination for swimming, boating, and fishing. There are several public beaches and boat launches around the lake, as well as a number of restaurants and shops.

    3.Newport Ski Area:

    This ski resort is located about 20 minutes north of Lempster. It offers a variety of trails for skiers and snowboarders of all levels, as well as a terrain park and a snow tubing area.

    Nearby Cities:

    Unity, NH
    Alstead, NHNewport, NH
    Newbury, NHCharlestown, NH
    Claremont, NHSunapee, NH
    Bellows Falls, VTRockingham, VT
    Springfield, VTSutton, NH
    New London, NHHillsborough, NH
    Grantham, NHWindsor, VT
    Antrim, NHChester, VT
    Boston, MA
    South Boston, MAWorcester, MA
    Providence, RISpringfield, MA
    Hartford, CTLowell, MA
    Cambridge, MAManchester, NH
    Albany, NYBrockton, MA
    West Albany, NY