Crawfish River At Milford05426000
At a river or reservoir gauge/4.2 mi away/798 ft/22 ft below here
temp, wind, gust, humidity, pressure
Johnson Creek, Wisconsin
Village in Jefferson County, Wisconsin* WHAT...Sub-freezing temperatures as low as 28 expected. * WHERE...Portions of east central, south central, and southeast Wisconsin. * WHEN...Until 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.
40°
54°/43°
Clear·
Feels like 36°·Light breeze 6 mph N
Alert. A Freeze Warning is in force for Johnson Creek until 9 AM tomorrow. Read the alert in full, and see what it means in the Field Book.
Now. Johnson Creek is 40° and clear at 11 PM. With the wind it feels like 36°. The dew point is 33°, so the air feels dry and comfortable. Light breeze from the north at 6 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 73°, and the coolest tomorrow, near 57°. The days ahead look dry. The first freeze could come tomorrow, a low of 30°.
The sky now. The Moon is a waxing crescent, 35% lit, and stays below the horizon until dawn. The next full Moon is Sunday, Oct 25. Look for Saturn, bright in the south. 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, 3 minutes shorter than yesterday.
0UV Low
6Air quality
76%Humidity
0%Cloud
Now
11:00 PM
40feels36
now, clear
Today
Oct 16
5443
40%
20mph
Sat
Oct 17
5730
12mph
Sun
Oct 18
6338
15mph
Mon
Oct 19
6638
mostly clear day
Tue
Oct 20
6940
overcast
Wed
Oct 21
7144
overcast
Thu
Oct 22
7348
overcast
40°
54°43°
57°30°
63°38°
66°38°
69°40°
71°44°
73°48°
As of 11:00 PM in Johnson Creek, Wisconsin.
Air quality
The air at Johnson Creek
Index 6, good, led by fine particles. Read at 11 PM from its reporting area, Kettle Moraine South (WI), 18 miles off.
6Good
- Fine particles (PM2.5)6Good-
- Coarse particles (PM10)3Good-
The days ahead
Good each day through Mon Oct 19, led by ozone. Yesterday measured 23, good.
GoodModerate
- 23YesterdayOct 15
- GoodTodayOct 16
- GoodSatOct 17
- GoodSunOct 18
- GoodMonOct 19
Smoke, the next 45 hours
No smoke near the ground through Sun 7 PM.
Precipitation
What has fallen at Johnson Creek
0.08 in in the last 24 hours, 0.70 in over the last 3 days, to Fri 10 PM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.08in
- Last 3 days
- 0.70in
3 days agoLast 24 hours 11%
Visibility
How far you can see at Johnson Creek, the next 45 hours
Visibility stays 9 miles or more through Sun 7 PM, lowest 9 miles Sat 5 AM.
F
Now, today, and the week
On the radar over Johnson Creek, WisconsinReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture
Weather instrument stations by state
What is measuring near here
The 6 instruments nearest Johnson Creek, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.7 miles away.
measured now4 instruments
Rank409of 1,353
Citizen station EW4463EW4463
In a volunteer observer's own ground/6.6 mi away/877 ft/57 ft above here
temp, humidity, wind, precip, pressure
WatertownRYV
At an airfield/7.0 mi away/814 ft/6 ft below here
temp, wind, gust, visibility, precip, pressure
Waukesha Co I-94 WB at STH 67WI090
Beside a road/15.2 mi away/883 ft/63 ft above here
temp, pavement temp, wind, visibility, precip
measured daily2 instruments
Johnson Creek 0.6 WSWWI-JF-20
In a volunteer observer's own ground/0.7 mi away/835 ft/15 ft above here
precip, snowfall, snow depth
Jefferson - WWTPJFNW3
At a water treatment plant/5.8 mi away/787 ft/33 ft below here
snowfall, snow depth, precip, high, low
Station report
The weather at Watertown, drawn
The nearest airport reporting now, 7.0 mi from Johnson Creek, Wisconsin. From its report of Oct 16, 2026, 11:35 PM local time: 3 of its 6 sheets.
The sky
No cloud below 12,000 ft; visibility 10 mi or more.
The air
39.7 F with a dew point of 32.0 F, 74 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,800 ft up.
The wind
From the north (350 degrees) at 6 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 31 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
0in
Snow on the ground
Measured at Jefferson - WWTP (JFNW3), 5.8 miles from here, read 16 Oct, 07:00. measured daily
Elsewhere in Wisconsin
19 places, each with its own forecast and its own instruments.
Near Johnson Creek
The nearest places, each with its own forecast and the instruments nearest it.
- Jeffersoncity, 5 mi
- Helenvillecommunity, 6 mi
- Lake Millscity, 7 mi
- Watertowncity, 9 mi
- Romecommunity, 10 mi
- Ixoniacommunity, 10 mi
- Sullivanvillage, 10 mi
- Fort Atkinsoncity, 11 mi
- Hebroncommunity, 12 mi
- Lake Ripleycommunity, 12 mi
- Waterloocity, 13 mi
- Lac La Bellevillage, 14 mi