Pecatonica River At Martintown05434500
At a river or reservoir gauge/15.0 mi away/757 ft/238 ft below here
temp, wind, gust, humidity, pressure
Alert. A Freeze Watch is in force for Apple River until 9 AM tomorrow. Read the alert in full, and see what it means in the Field Book.
Now. Apple River is 50° and mostly cloudy at 12 AM. The dew point is 50°, so the air feels dry and comfortable. Moderate breeze from the west-northwest at 15 mph, gusting to 25 mph.
Today and tonight. Tonight falls to about 31° by 7 AM, under a mostly clear sky. A freeze: protect plants and pipes. No rain is expected for the rest of the day.
The week. The warmest day ahead is Thursday, near 72°, and the coolest tomorrow, near 56°. The days ahead look dry. The first freeze could come tomorrow, a low of 30°.
The sky tonight. The sun sets at 6:17 PM. The Moon is a waxing crescent, 33% lit, and sets at 10:05 PM. The next full Moon is Sunday, Oct 25. After dark, look for Saturn, bright in the east-southeast. A planet shines with a steady light where the stars around it twinkle. The Orionids meteor shower is active, peaking around Oct 21: at its peak, up to about 20 meteors an hour can be seen from a dark site. The sky is forecast to stay clear: a good night to look up. The day is 11 hours 4 minutes long, 3 minutes shorter than yesterday.
As of 12:00 AM in Apple River, Illinois.
Air quality
Index 17, good, led by fine particles. Read at 11 PM from its reporting area, Driftless Area South (WI), 34 miles off.
Good each day through Sat Oct 17, led by ozone. Yesterday measured 26, good.
No smoke near the ground through Sat 7 PM.
Precipitation
0.48 in in the last 24 hours, and none in the 2 days before, to Thu 10 PM. Measured by radar and rain gauges, as water.
Visibility
Visibility stays 7 miles or more through Sat 7 PM, lowest 8 miles Fri 7 AM.
F
Now, today, and the week
On the radar over Apple River, IllinoisReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture
The 6 instruments nearest Apple River, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 6.8 miles away.
measured now4 instruments
Pecatonica River At Martintown05434500
At a river or reservoir gauge/15.0 mi away/757 ft/238 ft below here
temp, wind, gust, humidity, pressure
Citizen station FW6589FW6589
In a volunteer observer's own ground/21.0 mi away/816 ft/179 ft below here
temp, humidity, wind, precip, pressure
US-20 FreeportSS1843
Beside a road/26.8 mi away/-/- ft from here
temp, pavement temp, wind, visibility, precip
SavannaSFY
At an airfield/31.7 mi away/617 ft/378 ft below here
temp, wind, gust, visibility, precip, pressure
measured daily2 instruments
Apple River 6.7 SSWIL-JD-18
In a volunteer observer's own ground/6.8 mi away/834 ft/161 ft below here
precip, snowfall, snow depth
Stockton 3NNESTOI2
At a cooperative observer's station/9.0 mi away/955 ft/40 ft below here
snowfall, snow depth, precip, high, low
Station report
The nearest airport reporting now, 31.7 mi from Apple River, Illinois. From its report of Oct 15, 2026, 11:35 PM local time: 3 of its 6 sheets.
Overcast at 1,900 ft; the ceiling is 1,900 ft; visibility 10 mi or more.
53.0 F with a dew point of 49.0 F, 86 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 900 ft up; the lowest cloud reported is at 1,900 ft.
From the west northwest (290 degrees) at 15 mph, gusting 23 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 26 mph.
The full report of Savanna, in 6 sheets, each beside the Field Book plates that explain it
0in
Snow on the ground
Measured at Stockton 3NNE (STOI2), 9.0 miles from here, read 15 Oct, 07:00. measured daily
23 places, each with its own forecast and its own instruments.
The nearest places, each with its own forecast and the instruments nearest it.