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Stuff to make using the site easier ..

I use abbreviations for many things:
PB = Peterborough
KE = Keene NH
Precip = Precipitation
SWS = Special Weather Statements
I will continue to add more to this list as I think of them.
I update the forecasts by 7AM and 7PM each day...more frequently if some weather thing is going on. On weekends by 9AM.
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I am based in Peterborough, NH, but the main forecasts (for now) are for Nashua, NH and the region. I send out an e-mail every Thursday that covers the upcoming weekend forecast. I also send out advisories when issued by the NWS to this list. You will NEVER get SPAM or e-mail from anyone else. I don't share my mail list with anyone. If you'd like to be a part of that mailing, send your e-mail address to: Mail List

What is a "ShortWave"?

Also known as Shortwave Trough; a disturbance in the mid or upper part of the atmosphere which induces upward motion ahead of it. If other conditions are favorable, the upward motion can contribute to thunderstorm development ahead of a shortwave.

MCS = Mesoscale Convective System (Bunch of thunderstorms)

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How I started...

I've been a weather hobbyist all of my life. As a child, I used to stand outside in the rain during thunderstorms just to watch the lightning. Back in the '70s getting weather information was a chore. I remember listening to NWS broadcasts during hurricane season and plotting these on a piece of paper. After moving to New England I finally bought my first real weather station made by Davis Instruments. I began to record daily weather data in a journal. I had a few people, where I work, who knew I was a weather nut, ask me to send them an e-mail on the weekend forecast. So two grew to five then 15, then 40, and now my Thursday weekend mail list reaches over 200+ people. I took some web programming classes in the late '90s and a few years after that was born. I wanted to share my hobby with anyone who was interested, and I am quite overwhelmed with how many people seem to be interested. I've gotten so many "thank you's" for a variety of reasons..."saved my party", "saved my wedding", "saved my life." It's been fun and rewarding all at the same time.
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Partly cloudy - Patchy Fog - Cooler tonight

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Mostly sunny and seasonably warm

Mostly cloudy - Chance of showers

Its been a hot summer thus far

Still a chance of showers on Monday


A derecho (pronounced similar to "deh-REY-cho" in English) is a widespread, long-lived wind storm. Derechos are associated with bands of rapidly moving showers or thunderstorms variously known as bow echoes, squall lines, or quasi-linear convective systems.

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See the Local Weather Discussion below...


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Rich's Local Weather Discussion
Regional Weather Discussion

Your Daily Forecast 3 Days at a Time

Updates by 7AM and 7PM Weekdays-By 9AM on Weekends
Forecasts are for Southern NH (Nashua) with other locations noted.
(PB = Peterborough, NH) - (KE = Keene, NH)

Last Updated: Friday, July 29, 2016 5:35 PM

If the Advisory logo above is flashing, go to the Advisories link in the navigation menu,
which can be found on left side of the page. Or click on the links below.


Click on any advisory links above for details

Hazardous Weather Outlooks/Special Weather Statements

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Monday Night








Tuesday Night








Wednesday Night









Thursday Night









Friday Night

Patchy fog after midnight. Otherwise, mostly clear, with a low around 62. North wind around 5 mph.




PB/KE: Partly cloudy, with a low around 59. Calm wind becoming north around 5 mph.




Mostly sunny, with a high near 86. North wind around 5 mph becoming west in the afternoon.




PB/KE: Partly sunny, with a high near 81. Calm wind becoming northwest around 5 mph in the afternoon.




Saturday Night

Mostly cloudy, with a low around 64. Southeast wind around 5 mph becoming calm in the evening.

PB/KE: Mostly cloudy, with a low around 61. East wind around 5 mph becoming calm.



A 50 percent chance of showers. Mostly cloudy, with a high near 78. East wind around 5 mph.

PB/KE: A 50 percent chance of showers. Cloudy, with a high near 75. East wind around 5 mph.


Sunday Night

A 50 percent chance of showers. Cloudy, with a low around 65.

PB/KE: A 50 percent chance of showers. Cloudy, with a low around 62.



Your weekend forecast is always posted on the Thursday morning before the weekend
To see an extended forecast for your zone, look at the Extended Forecast page.  

Links of Interest

10,000 Homes Evacuated Due to 'Almost Unprecedented' Wildfire - NBC4
'Heat dome' hitting US, bringing surging temps - Fox News
Global warming expedition stopped in its tracks by Arctic sea ice -
Temperatures far below normal in South Africa -
Juno broke a Guinness World Record: Fastest craft ever - Fox Science
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See the 2016 Hurricane Season Estimates - link
Video shows weather observer battle 109 mph winds - Fox News
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Rich's Local Weather Discussion:

New weather video of the week above.

7/29 -  5:35 PM: We didn't get nearly enough rain today. Showers will come to an end this evening as cooler air drops south and high pressure builds in from Canada. A nice day on Saturday with seasonably warm temps and less humid conditions. Clouds will be on the increase later in the day as a storm system tracking east, south of the region, brings a chance of showers on Sunday and it looks like, may last into Monday. Hot and humid weather returns by midweek.

Cooler and drier Canadian High pressure builds across the area
tonight through Saturday. Another system approaches from the west
Sunday and early next week bringing rain to the region. Mainly
dry weather with a gradual warming trend is expected beginning
Wednesday through late next week.

Low pressure will sweep south of New England into the overnight
period. A brief period of drier conditions follow for Saturday
with the slight chance of showers over Southwestern New England.
A warm front will develop south of New England on Sunday with
a few waves of low pressure passing eastward along it from Sunday
through early Tuesday. Scattered showers are possible into early
Tuesday, especially in western sections. Low pressure will move
out to sea Tuesday. High pressure returns with dry and seasonable
conditions for the middle and latter portion of next week.


* Unsetlled Sunday through early Tuesday with scattered showers,
mainly in western sections.
* Mainly dry and seasonable weather Tuesday afternoon through
Friday, with a warming trend.

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7/29 -  7:06 AM: Low pressure is riding along a stalled frontal boundary this morning bringing showers to NH and heavier rains to SE MA, CT and RI. There is a Flash Flood Advisory in those areas. Another front will drop down from the north later today and that will keep a chance of showers in the forecast for the rest of the day and into the evening. Cooler. A sunny and seasonably warm Saturday is expected followed by a cloudy Sunday with more light showers.

A weak frontal boundary was stalled from central New England
through the Gulf of Maine. This front will slowly slip further
offshore today as low pressure tracks east along it. A secondary
cold front extended from northern Maine through the Saint Lawrence
valley. These boundaries will produce a few showers and isolated
thunderstorms across the area today. The best chance for a steadier
and heavier rain will be across far southern New Hampshire and southwest
coastal Maine. Cooler, more seasonable temperatures return for the
weekend with dry conditions Saturday and another chance for showers
on Sunday into Monday. Mainly dry weather with a gradual warming
trend is expected for Tuesday through much of next week.

A weak front will slip south of New England by midday. Low
pressure along the Mid Atlantic coast will pass offshore late in
the day. This will bring showers and isolated thunderstorms today.
Dry conditions for Saturday as high pressure builds across.
Another low will slowly pass south of New England, bringing
another round of scattered showers with a few thunderstorms
possible Sunday into Monday. High pressure returns with dry and
seasonable conditions for the middle and latter portion of next



* High pressure and mainly dry conditions Saturday
* Showers and a few thunderstorms possible Saturday night through
* Drier and seasonable weather Tuesday through Thursday

New feature - Watch the Weather Video of the week above

If you have not watched one of these, you are missing a real treat

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OWC Summer Sales - 7/21/2016

Regional Weather Discussion ...

After 9 days of heat and humidity, we are definitely headed into a different, cooler pattern...with a few rain chances too.

Today's big story will be the cooler temps, highs for some will only be in the 70s, lower 80s for others...much cooler than lately (humidity will still be in the air though.) A weak low pressure system will ride northeast just to our south. It's now looking like the heaviest rain with this system stays south of the MA Pike. We'll see a round of light rain this morning in southern areas and then with any sort of sunny breaks this afternoon, some scattered t-showers will develop. Despite both chances, a solid 75% of the day should be dry.

Saturday will be the brighter and warmer day of the weekend. Highs will get back into the low to mid 80s. Clouds will start to increase late in the day and Saturday night. Then on Sunday there's a chance of passing showers and t-storms. High temps then back into the upper 70s to low 80s.

Early next week will still be on the cooler side (highs in the 70s) before heat ramps up again midweek and beyond.

Hope you have a great weekend!

These "discussions" come from the National Weather Service, WMUR TV Manchester NH, or me.

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