National Weather Service United States Department of Commerce

Flash flooding threat continues from the Great Basin across the southern Plains

The wet pattern in place will continue from the Great Basin across the central and southern Rockies into the southern Plains into Wednesday. Ample monsoonal moisture with a frontal boundary in place will allow for shower and thunderstorm development with locally heavy rainfall at times. The heavier showers could lead to flash flooding in some areas, especially urban areas and burn scars.
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Current Conditions

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Alton NH

7 Day Forecast

For More Weather Information:

Gray/Portland, ME Local Forecast Office

Overnight

Partly Cloudy

Partly
Cloudy

Low: 54 °F

Wednesday

Mostly Sunny

Mostly
Sunny

High: 78 °F

Wednesday
Night

Patchy Fog

Patchy
Fog

Low: 55 °F

Thursday

Chance Showers Chance for Measurable Precipitation 50%

Chance
Showers

High: 77 °F

Thursday
Night

Partly Cloudy

Partly
Cloudy

Low: 58 °F

Friday

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

High: 79 °F

Friday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 61 °F

Saturday

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

High: 76 °F

Saturday
Night

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

Low: 57 °F

Detailed Forecast

  • Overnight Partly cloudy, with a low around 54. Calm wind.
  • Wednesday Mostly sunny, with a high near 78. Calm wind becoming south around 5 mph in the afternoon.
  • Wednesday Night Patchy fog after 3am. Otherwise, partly cloudy, with a low around 55. Calm wind.
  • Thursday A 50 percent chance of showers after 8am. Patchy fog before 8am. Otherwise, partly sunny, with a high near 77. Light south wind increasing to 5 to 10 mph in the morning.
  • Thursday Night Partly cloudy, with a low around 58. Southwest wind around 5 mph.
  • Friday A 30 percent chance of showers. Partly sunny, with a high near 79.
  • Friday Night Mostly cloudy, with a low around 61.
  • Saturday A 40 percent chance of showers. Partly sunny, with a high near 76.
  • Saturday Night A 30 percent chance of showers. Mostly cloudy, with a low around 57.
  • Sunday A 40 percent chance of showers. Partly sunny, with a high near 77.
  • Sunday Night Mostly cloudy, with a low around 60.
  • Monday A 30 percent chance of showers. Partly sunny, with a high near 80.
  • Monday Night Partly cloudy, with a low around 61.
  • Tuesday A 30 percent chance of showers. Mostly sunny, with a high near 80.