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Mostly cloudy tonight - Patchy fog

Increasing clouds Saturday - Chance of showers late in the day

Scroll through the pixs above
If the button below is jiggling, an advisory is posted 
Quick Link to Your Three Day Forecast

New England Weather Discussion

(With thanks to the surrounding National Weather Service Offices)
Current Temperature: 59.1°F (-1.4) 
High Temperature for the day: 69.5°F
Rainfall Today: 1.04 inches

Current Dewpoint: 57.4°F (-1.4)
Find all of my instrument readings here.
Last update: 9/24 - 6:26 PM

The cold front that crossed part of the region today continues to very slowly track east. We had a little over one inch of rainfall here in the Monadnocks with some it very heavy for a short time. Bouts of showers followed but now, the sun has popped out late this afternoon. The atmosphere is unstable, so there is still a chnace of a pop up showers or storm tonight. Another front will begin to move in on Saturday with increasing clouds but any rain holds off until late in the day or the evening. Sunday looks sunny and breezy.
Hazardous Weather Outlook: NH/ME
Hurricane Sam has formed in the Atlantic and is rapidly strengthening.
It might be a good idea to check the Hurricane Section each day this time of year.

The Details:

Cold front is progressing through the area. To the west, across NH the clearing skies are approaching. Meanwhile through Maine southerly flow will continue with showers. Low level instability remains, and some weak rotation has been observed in the convective line. Some reports of up to 2 inches of rain within the convective line.

Expect the front to continue to cross the region overnight. Overall the coverage of showers has been decreasing through the day but the models continues to suggest that some re development. through the mountains is possible over the next few hours.

Tonight the western portion of the forecast area should clear out enough for valley fog formation, and have added this to the forecast. Meanwhile across the eastern portion of the area, the front will stall keeping the scattered showers in place across the eastern portion of the area.

For Saturday, expect additional rainfall, especially over the eastern portion of the forecast area. There are two separate features impacting the amount of rainfall. First, a weak wave rotating around the main low pressure aloft will push into the region. The more negative tilt this can achieve the greater the precipitation. Secondly, low pressure along the eastern seaboard will move northwards on Sunday, pushing additional moisture into the stalled frontal boundary. These two factors will combine to lead to widespread rainfall across especially eastern Maine. With two feature competing the confidence in the placement and precip maxima still remains fairly low. Have kept total rainfall fairly conservative, although certainly the upslope flow does give a potential for higher totals. This time the center of the rain will be on the upper Kennebec basin, which has been plagued by drought.

Warm ridging will be replaced by cooler and more seasonable troughing over the NE CONUS next week, as double omega block settles across NOAM and the Atlantic, with central trough right overhead. This low holds in place thru at least the middle of next week, when models diverge on solutions.

Starting Sunday sun night should see any showers associated with the slow moving front exiting to the NE in the evening. This will be followed by clearing in the south, but clouds linger in the N as the closed upper low wobbles around over N Quebec. Lows Sunday night will be in the low-mid 40s in the mtns, to the low 50s in the S.

Mon-Tue will be similar, as closed low hangs out to the North, and waves of energy move around that low. This will produce some rounds of clouds, and the chance of showers, mainly in the mountains. Highs will be in the low-mid 60s in the North to around 70 in the South, which is still on the high side of normal, and overnight lows 40-45 in the mountains to the low 50s in the South. Skies will vary from partly to mostly cloudy through the period with more clouds in the mountains.

Confidence drops off a bit Wed-Fri.

Join my email list and get the EVERY THURSDAY EVENING E-mail blast that details the upcoming weekend weather. Plan ahead for the upcoming weekend! This is the same list I use for Winter Storm Warnings, hurricane alerts, and other weather hazards.

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Take a look at Weather Graphics 1, 2, and 3 to the right.

Regional Synopsis

Slow moving cold front will produce some heavy rainfall and embedded thunderstorms tonight into Saturday morning. Another round of heavy showers Sunday afternoon, especially over the mid-coast ans central Maine. More seasonal temperatures and the threat of showers in the mountains are expected for Monday and Tuesday.


Showers associated with a cold moving cold front dissipate through Friday evening, as rapid clearing occurs over western and central parts of the forecast area. A second low pressure system will bring a second chance for rain Saturday afternoon and evening, primarily across eastern Massachusetts. Cooler and less humid weather are on tap for the second half of the weekend and much of next week; especially by the latter half of the week. Much of next week will be dry, except for a few showers possible later Monday into early Tuesday. By late next week will have to watch an offshore low pressure system; but it remains uncertain if it will track far enough to bring a period a soaking rain.



* Cooler/less humid next week with early fall-like temperatures
particularly by the second half of next week

* A few showers possible late Mon into early Tue & we will need to
watch an offshore low pressure system by late in the week

Live Weather Readings

See the current readings from my weather instruments here in Peterborough, NH. 


Click on the Wind Vane to see Live Weather Info

Weather Headlines 

Winter arrives on, December 21, 2021 at 3:59 PM EST
Dry and cooler

Links of Interest

AccuWeather's 2021 fall foliage forecastAsteroid 3 times taller than Niagara Falls to zip past Earth on 1st day of fallAtlantic hurricane season maintaining prolific paceCanary Islands: Lava from erupting volcano destroys homesDramatic drone footage captures the moment lava collides with a poolCrazy Day in Italy with 7 tornado hit Northern ItalyItaly: Tornado hits southern island, kills 2Why September 10 is the climatological peak of hurricane seasonWhy was Ida so devastating to the Northeast?

Pick your Autumn

Heat Fan%20helps%20you%20feel%20cooler-August

Fall Storm Tracks

Heat%20is%20Lethal Summer

Fall Weather Patterns


Regional Weather Discussions

Updated once in the morning-These are provided by the NWS, WMUR-TV, or me...

A strong front will slowly move across New Hampshire today with a band of showers, downpours, and a few thunderstorms ahead of a less humid weekend.

Today will feature showers, a few downpours, and scattered thunderstorms, starting in western NH near sunrise and spreading east late am/early afternoon. Most of the showers/storms should wrap up in western areas by mid to late pm and by early evening in eastern NH. Any storm could be strong with gusty winds. Some heavy rain is likely that may lead to some localized road ponding. It will remain humid and breezy with highs again in the 70s.

Skies will dry out later tonight as the humidity fades. Temps will drop into the 50s in most places by morning.

After some early am fog, Saturday will feature the most sun in central and western NH with more clouds farther east. It will be less humid too! Highs will range from 67-74 from north to south.

As a wave of low pressure develops offshore later Saturday, Saturday night and early Sunday could bring another round of rain.

After any early showers Sunday, partly sunny skies follow with temps in the 60s to lower 70s.

Your Daily Forecast

Three Days at a Time

Updates twice per day, weekdays, by 7:00AM and again by 7:30PM - 9AM/7PM on Weekends
Forecasts are for Southern NH (Nashua)  to Keene NH with other locations noted.
(PB = Peterborough, NH) - (KE = Keene, NH)

Warnings or Advisories

If this is flashing, there are warnings or advisories in effect.

Hazardous Weather Outlooks

Find all of the Hazardous Weather Outlooks by clicking on the wobbling button below.

Click on the button below to go to the Advisory depicted in the map above if the button is wobbling. When the button is jiggling, an advisory is active.

Click on the button above when it is wobbling




Monday Night






Tuesday Night






Wednesday Night






Thursday Night






Friday Night


A 30 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Patchy fog after 4am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 54. West wind around 5 mph becoming calm in the evening. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.


Patchy fog before 3am, then patchy fog after 4am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 50. Southwest wind around 5 mph becoming calm.



A 30 percent chance of showers, mainly after 5pm. Patchy fog before 9am. Otherwise, increasing clouds, with a high near 73. Calm wind becoming northeast around 5 mph. New precipitation amounts of less than a tenth of an inch possible.


A 20 percent chance of showers after 4pm. Patchy fog between 8am and 9am. Otherwise, mostly sunny, with a high near 70. Calm wind becoming southwest around 5 mph.

Saturday Night


A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 5am, then showers likely after 5am. Patchy fog. Otherwise, mostly cloudy, with a low around 57. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.


A 50 percent chance of showers, mainly after 7pm. Patchy fog. Otherwise, mostly cloudy, with a low around 54. Calm wind. New precipitation amounts between a quarter and half of an inch possible.



Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 73. Light northwest wind becoming west 5 to 10 mph in the morning.


A 30 percent chance of showers after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 68. Light northwest wind becoming west 5 to 10 mph in the morning.

Sunday Night


Mostly clear, with a low around 52. Southwest wind around 5 mph.


A 30 percent chance of showers before 8pm. Mostly clear, with a low around 50. Southwest wind around 5 mph. Sponsors

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