Lake Koshkonong Near Newville05427235
At a river or reservoir gauge/7.0 mi away/770 ft/31 ft below here
temp, wind, gust, humidity, pressure
Fort Atkinson, Wisconsin
City in Jefferson County, Wisconsin* WHAT...Sub-freezing temperatures as low as 28 expected. * WHERE...Portions of east central, south central, and southeast Wisconsin. * WHEN...From 1 AM to 9 AM CDT Saturday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Take steps now to protect tender plants from the cold.
52°
54°/44°
Overcast·
Feels like 52°·Moderate breeze 15 mph WNW
Alert. A Freeze Warning is in force for Fort Atkinson until 9 AM tomorrow. Read the alert in full, and see what it means in the Field Book.
Now. Fort Atkinson is 52° and overcast at 1 AM. The dew point is 51°, so the air feels dry and comfortable. Moderate breeze from the west-northwest at 15 mph, gusting to 27 mph.
Today and tonight. The warmest of the day has passed; it cools to about 45° by 8 PM. 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 71°, 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 6:11 PM. The Moon is a waxing crescent, 33% lit, and sets at 9:58 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 2 minutes long, 2 minutes shorter than yesterday.
0UV Low
13Air quality
92%Humidity
93%Cloud
Now
1:00 AM
52feels52
15mph
Today
Oct 16
5444
28%
20mph
Sat
Oct 17
5630
clear day
Sun
Oct 18
6238
15mph
Mon
Oct 19
6540
overcast
Tue
Oct 20
6841
overcast
Wed
Oct 21
7044
overcast
Thu
Oct 22
7149
12%
52°
54°44°
56°30°
62°38°
65°40°
68°41°
70°44°
71°49°
As of 1:00 AM in Fort Atkinson, Wisconsin.
Air quality
The air at Fort Atkinson
Index 13, good, led by fine particles. Read at 12 AM from its reporting area, Kettle Moraine South (WI), 12 miles off.
13Good
- Fine particles (PM2.5)13Good-
- Ozone13Good11 ppb5.1 mi
- Coarse particles (PM10)4Good-
The days ahead
Good each day through Sat Oct 17, led by ozone. Yesterday measured 23, good.
GoodModerate
- 23YesterdayOct 15
- GoodTodayOct 16
- GoodSatOct 17
Smoke, the next 43 hours
No smoke near the ground through Sat 7 PM.
Precipitation
What has fallen at Fort Atkinson
0.44 in in the last 24 hours, 0.52 in over the last 3 days, to Fri 12 AM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.44in
- Last 3 days
- 0.52in
3 days agoLast 24 hours 85%
Visibility
How far you can see at Fort Atkinson, the next 43 hours
Visibility stays 8 miles or more through Sat 7 PM, lowest 8 miles Fri 6 AM.
F
Now, today, and the week
On the radar over Fort Atkinson, WisconsinReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture
Weather instrument stations by state
What is measuring near here
The 6 instruments nearest Fort Atkinson, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.4 miles away.
measured now4 instruments
Rank543of 1,313
I-39 / 90 at STH 59 NewvilleWI088
Beside a road/11.4 mi away/869 ft/68 ft above here
temp, pavement temp, wind, visibility, precip
Citizen station FW6360FW6360
In a volunteer observer's own ground/15.5 mi away/879 ft/78 ft above here
temp, humidity, wind, precip, pressure
WatertownRYV
At an airfield/17.7 mi away/814 ft/13 ft above here
temp, wind, gust, visibility, precip, pressure
measured daily2 instruments
Fort Atkinson 0.3 SSEWI-JF-13
In a volunteer observer's own ground/0.4 mi away/799 ft/2 ft below here
precip, snowfall, snow depth
Fort Atkinson 2SWFTAW3
At a cooperative observer's station/1.9 mi away/794 ft/7 ft below here
snowfall, snow depth, precip, high, low
Station report
The weather at Watertown, drawn
The nearest airport reporting now, 17.7 mi from Fort Atkinson, Wisconsin. From its report of Oct 16, 2026, 12:55 AM local time: 3 of its 6 sheets.
The sky
Overcast at 1,200 ft; the ceiling is 1,200 ft; visibility 7 mi.
The air
54.0 F with a dew point of 53.2 F, 97 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 200 ft up; the lowest cloud reported is at 1,200 ft.
The wind
From the west northwest (290 degrees) at 15 mph, gusting 20 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 25 mph.
The full report of Watertown, in 6 sheets, each beside the Field Book plates that explain it
What the snow tracker reads here
Every instrument in this state
-
Snow on the ground
Elsewhere in Wisconsin
19 places, each with its own forecast and its own instruments.
Near Fort Atkinson
The nearest places, each with its own forecast and the instruments nearest it.
- Lake Koshkonongcommunity, 4 mi
- Jeffersoncity, 6 mi
- Hebroncommunity, 8 mi
- Whitewatercity, 8 mi
- Lake Ripleycommunity, 9 mi
- Helenvillecommunity, 9 mi
- Rockdalevillage, 10 mi
- Cambridgevillage, 10 mi
- Johnson Creekvillage, 11 mi
- Lake Millscity, 11 mi
- Romecommunity, 11 mi
- Miltoncity, 12 mi