Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Andover, Aeroflex-Andover Airport (K12N)

Lat: 41.01° N Lon: 74.74° W Elev: 584 ft.

59°F

15°C

Humidity 87%
Wind Speed Calm
Barometer 30.16 in (1020.8 mb)
Dewpoint 55°F (13°C)
Visibility NA
Last update 19 Sep 1:54 am EDT
Detailed forecast for

Warren County

Tonight
Mostly clear. Cooler with lows in the lower 50s. North winds around 5 mph.
Saturday
Mostly sunny. Not as warm with highs around 70. East winds around 5 mph.
Saturday Night
Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Patchy fog. Lows in the upper 50s. Southeast winds around 5 mph. Chance of rain 50 percent.
Sunday
Showers likely in the morning, then showers in the afternoon. Patchy fog. Highs in the upper 60s. South winds around 5 mph. Chance of rain near 100 percent.
Sunday Night
Showers, mainly in the evening. Patchy fog. Locally heavy rainfall possible in the evening. Lows in the upper 50s. West winds around 5 mph, becoming north around 5 mph after midnight. Chance of rain near 100 percent.
Monday
Mostly cloudy with a 40 percent chance of showers. Highs in the mid 60s.
Monday Night
Mostly cloudy with a 30 percent chance of showers. Lows in the lower 50s.
Tuesday
Mostly cloudy with a 40 percent chance of showers. Highs in the lower 60s.
Tuesday Night
Mostly cloudy with a 30 percent chance of showers. Lows in the upper 40s.
Wednesday
Mostly cloudy with a 30 percent chance of showers. Highs around 60.
Wednesday Night
Mostly cloudy with a chance of showers. Lows in the upper 40s. Chance of rain 40 percent.
Thursday
Partly sunny with a chance of showers. Highs in the lower 60s. Chance of rain 40 percent.
Thursday Night
Mostly cloudy with a chance of showers. Lows in the upper 40s. Chance of rain 30 percent.
Friday
Partly sunny. Highs in the upper 60s.



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400 PM EDT Fri Sep 18 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database