| Latest RWIS Atmospheric Data as of Wed Dec 17 01:41 AM 2025 |
| O B S |
Location | Elev. (feet) |
Date | Time | Temp (ºF) |
Dew Point (ºF) |
Rel Hum (%) |
Wind Dir |
Wind Speed (mph) |
Peak Wind (mph) |
Sea-Level Pressure (in. Hg) |
Precip and Intensity |
Precip Rate (in/hr) |
Visibility (mi) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Ashland I-93 | 600 | Wed 17-Dec-2025 | 01:34AM EST | 16.3 | 12.7 | 85 | ENE | 0.7 | 1.8 | 29.28 | None | 0.000 | 1.2 |
| Bow | 351 | Wed 17-Dec-2025 | 01:35AM EST | ||||||||||
| Canterbury I-93 | 585 | Wed 17-Dec-2025 | 01:35AM EST | 22.8 | 13.8 | 68 | ESE | 1.6 | 4.9 | 29.33 | 1.2 | ||
| Derry I-93 | 247 | Wed 17-Dec-2025 | 01:34AM EST | 26.4 | 13.3 | 57 | SSW | 4.0 | 8.3 | 29.68 | None | 0.000 | 1.2 |
| Echo Lake | 1856 | Wed 17-Dec-2025 | 01:34AM EST | 27.1 | 17.4 | 67 | E | 4.9 | 16.1 | 30.92 | None | 0.000 | 1.2 |
| Epping Rt.101 | 141 | Wed 17-Dec-2025 | 01:34AM EST | 22.6 | 13.8 | 68 | |||||||
| Hampton Rt 101 | Wed 17-Dec-2025 | 01:35AM EST | 25.3 | 17.8 | 73 | SE | 0.7 | 2.5 | 29.97 | None | 0.000 | 1.2 | |
| I-89 SB MM 31.4 Sutton/New London | Tue 16-Dec-2025 | 02:40PM EST | 30.4 | 13.5 | 49 | NE | 3.4 | 6.5 | 28.79 | None | 0.000 | 1.2 | |
| LaFayette | 1768 | Wed 17-Dec-2025 | 01:34AM EST | 16.0 | 13.5 | 90 | SSE | 1.1 | 2.2 | 30.98 | None | 0.000 | 1.2 |
| Lincoln Exit 33 | 916 | Wed 17-Dec-2025 | 01:35AM EST | 16.5 | 13.5 | 87 | SSE | 2.0 | 3.1 | None | 0.000 | 1.2 | |
| Littleton I-93 | 869 | Wed 17-Dec-2025 | 01:34AM EST | 26.1 | 14.2 | 60 | NE | 1.3 | 2.2 | 28.91 | None | 0.000 | 1.2 |
| Lost River Rt. 112 | 1822 | Wed 17-Dec-2025 | 01:34AM EST | 19.0 | 12.6 | 75 | SE | 4.0 | 7.4 | 27.91 | None | 0.000 | 1.2 |
| Manchester I-293 | 244 | Wed 17-Dec-2025 | 01:35AM EST | 26.2 | 12.9 | 57 | SW | 7.2 | 13.0 | 29.68 | None | 0.000 | 1.2 |
| New Ipswich Rt 124 | 1075 | Wed 17-Dec-2025 | 01:34AM EST | 24.4 | 11.8 | 58 | S | 4.7 | 11.2 | None | 0.000 | 1.2 | |
| Portsmouth I-95 | Wed 17-Dec-2025 | 01:35AM EST | 27.9 | 13.6 | 55 | SSW | 6.5 | 9.6 | 29.90 | None | 0.000 | 1.2 | |
| Roxbury-Sullivan Rt 9 | Wed 17-Dec-2025 | 01:35AM EST | 21.7 | 12.4 | 67 | NNE | 2.2 | 4.9 | 28.86 | None | 0.000 | 1.2 | |
| Rt. 4 WB Northwood | Wed 17-Dec-2025 | 01:35AM EST | 24.8 | 12.9 | 60 | WSW | 3.8 | 8.9 | 29.28 | None | 0.000 | 1.2 | |
| Rt. 16 SB Exit 17 Milton | Wed 17-Dec-2025 | 01:35AM EST | 24.6 | 14.4 | 65 | SW | 2.9 | 5.6 | 29.46 | None | 0.000 | 1.2 | |
| Rt. 16 SB MM 32 Milton | Wed 17-Dec-2025 | 01:35AM EST | 24.4 | 16.2 | 70 | WNW | 0.9 | 2.2 | 29.32 | None | 0.000 | 1.2 | |
| Rt.16 SB Rochester | Wed 17-Dec-2025 | 01:35AM EST | 26.1 | 13.6 | 59 | SSW | 4.0 | 9.8 | 29.69 | None | 0.000 | 1.2 | |
| Rt.16 SB Wakefield | Wed 17-Dec-2025 | 01:35AM EST | 25.3 | 12.9 | 59 | WNW | 1.1 | 4.5 | 28.90 | None | 0.000 | 1.2 | |
| Rt. 101 WB Exeter MM 128.4 | Wed 17-Dec-2025 | 01:35AM EST | 27.3 | 14.5 | 58 | ESE | 1.8 | 5.8 | 29.85 | None | 0.000 | 1.2 | |
| Rt. 101 WB Peterborough | Wed 17-Dec-2025 | 01:35AM EST | 22.5 | 11.3 | 62 | NNW | 4.0 | 11.4 | 28.40 | None | 0.000 | 1.2 | |
| Rt.106 Loudon | Wed 17-Dec-2025 | 01:35AM EST | 17.8 | 14.7 | 87 | W | 0.7 | 1.8 | 29.35 | None | 0.000 | 1.2 | |
| Rt. 115 Jefferson | Wed 17-Dec-2025 | 01:35AM EST | 21.0 | 16.7 | 83 | SSW | 0.7 | 2.0 | 28.25 | None | 0.000 | 1.2 | |
| Rt 16 NB Ossipee | Wed 17-Dec-2025 | 01:35AM EST | 25.7 | 15.6 | 66 | ESE | 1.6 | 2.9 | 29.44 | None | 0.000 | 1.2 | |
| Salem I-93 | 85 | Wed 17-Dec-2025 | 01:34AM EST | 27.1 | 15.8 | 61 | SSW | 3.4 | 7.6 | 29.80 | None | 0.000 | 1.2 |
| Sanbornton I-93 | 720 | Wed 17-Dec-2025 | 01:35AM EST | 19.0 | 13.6 | 79 | NNW | 0.7 | 2.0 | 29.13 | None | 0.000 | 1.2 |
| Springfield I-89 | 1402 | Wed 17-Dec-2025 | 01:34AM EST | 22.1 | 11.8 | 64 | S | 8.5 | 11.4 | 29.74 | None | 0.000 | 1.2 |
| Warner I-89 | 413 | Wed 17-Dec-2025 | 01:35AM EST | 20.1 | 14.9 | 80 | NNW | 1.3 | 2.7 | 29.42 | None | 0.000 | 1.2 |
| Westmoreland Rt. 9 | 1145 | Wed 17-Dec-2025 | 01:34AM EST | 21.9 | 11.7 | 64 | WSW | 8.1 | 14.8 | 26.64 | None | 0.000 | 1.2 |
| Woodstock I-93 | 680 | Wed 17-Dec-2025 | 01:35AM EST | 16.7 | 13.5 | 87 | WSW | 1.3 | 2.0 | 29.18 | None | 0.000 | 1.2 |
- This page displays the latest atmospheric data received from the NHDOT Environmental Sensor Stations (ESS) located on various NH highways and NHDOT facilities that provide such data.
- Clicking the
icon to the left of a site, will display all of the observations for that site for the current day.
- The Lafayette site is located near the campground in Franconia Notch. The Echo Lake site is located just north of the Franconia Notch.
- At most sites, the highest reported visibility will be 1.1 miles. Exceptions are as follows: 1.2 miles for Echo Lake, LaFayette, Littleton and New Ipswich; Salem and Ashland have newer sensors and can report visibility as high as 7.1 miles; and Dover can report visibilities up to 12.4 miles.
- Precipitation can be listed as "None" for no precipitation, "Recent" if it just recently ended, or "Now" if it just started.
- When precipitation has been detected and an intensity has been determined, precipitation intensities are listed as "LGT" for light or "MOD" for moderate or "HVY" for heavy.
- The entry, "Precip", following a reported intensity usually means rain or drizzle or an indeterminate type of precipitation.
- When snow/ice has been identified by the sensor, the precipitation type following the intensity will be listed as "Snow".
- Missing or not reported data are left as blank entries.
- This page will automatically refresh every 5 minutes.