Merrimac, WI Current Weather Conditions

Current weather observations and 72-hour history for Merrimac, WI. • View 5-Day Forecast ›

▼Current Conditions — Merrimac, WI

DELLS/BARABOO (KDLL)

Clear

45.5 F

Humidity:	52%
Wind Speed:	13.9 G 17.2 mph
Barometer:	30.31 in
Dewpoint:	28.9 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	NA
Wind Chill:	39.2 F

Oct 18 2026, 12:35 AM CDT

Alert Subscriptions

Severe Weather

Tornado, flood & storm warnings

Observations

Station conditions & threshold alerts

Daily Forecast

Morning summary delivered daily

Lightning

Real-time strike alerts

▼State Weather Snapshot — Wisconsin

Temperature

Dewpoint

Wind Speed

Full Interactive Observation Map →

▼Radar — Wisconsin

Loading radar…

Active Alerts Lightning

Full Interactive Radar Map →

▼Hourly Observation History — Merrimac, WI

Time	Wind (mph)	Vis (mi)	Weather	Precip (in)	Temperature (F)		Relative Humidity	Wind Chill (F)	Heat Index (F)	Pressure
Time	Wind (mph)	Vis (mi)	Weather	Precip (in)	Air	Dwpt	Relative Humidity	Wind Chill (F)	Heat Index (F)	altimeter (in)	sea level (mb)
12:35 AM CDT	13.9 G 17.2	10.00	Clear	--	45.5	28.9	52%	39.2	NA	30.31	1026.4
12:15 AM CDT	10.3	10.00	Clear	--	45.5	28.6	51%	40.3	NA	30.31	1026.4
11:55 PM CDT	11.4	10.00	Clear	--	45.7	28.4	51%	40.1	NA	30.31	1026.4
11:35 PM CDT	11.4 G 18.3	10.00	Clear	--	46.2	28.4	50%	40.8	NA	30.31	1026.4
11:15 PM CDT	12.8 G 18.3	10.00	Clear	--	46.4	28.4	49%	40.6	NA	30.31	1026.4
10:55 PM CDT	13.9	10.00	NULL	--	46.8	28.4	49%	40.8	NA	30.31	1026.4
10:35 PM CDT	12.8 G 18.3	10.00	Clear	--	46.9	28.2	48%	41.4	NA	30.31	1026.4
10:15 PM CDT	12.8	10.00	Clear	--	47.5	28.2	47%	42.1	NA	30.31	1026.4
09:55 PM CDT	13.9 G 18.3	10.00	Clear	--	47.5	28.2	47%	41.7	NA	30.31	1026.4
09:35 PM CDT	11.4	10.00	Clear	--	47.3	28.4	48%	42.3	NA	30.32	1026.8
09:15 PM CDT	9.2	10.00	Clear	--	46.9	28.4	48%	42.6	NA	30.32	1026.8
08:55 PM CDT	9.2	10.00	Clear	--	47.3	28.4	48%	43.0	NA	30.32	1026.8
08:35 PM CDT	8.1	10.00	Clear	--	46.9	28.4	48%	43.0	NA	30.33	1027.1
08:15 PM CDT	9.2	10.00	Clear	--	47.1	28.6	48%	42.8	NA	30.34	1027.4
07:55 PM CDT	9.2	10.00	Clear	--	47.3	28.6	48%	43.0	NA	30.34	1027.4
07:35 PM CDT	8.1	10.00	Clear	--	47.7	28.6	47%	43.9	NA	30.34	1027.4
07:15 PM CDT	6.9	10.00	Clear	--	47.5	28.4	47%	44.2	NA	30.34	1027.4
06:55 PM CDT	5.8	10.00	Clear	--	47.8	28.2	46%	45.1	NA	30.34	1027.4
06:35 PM CDT	8.1	10.00	Clear	--	49.5	27.1	42%	46.0	NA	30.34	1027.4
06:15 PM CDT	10.3	10.00	Clear	--	50.9	26.8	39%	NA	NA	30.34	1027.4
05:55 PM CDT	9.2	10.00	Clear	--	51.8	27.3	39%	NA	NA	30.34	1027.4
05:35 PM CDT	SW 8.1	10.00	Clear	--	53.1	27.0	36%	NA	NA	30.34	1027.4
05:15 PM CDT	11.4	10.00	Clear	--	54.1	27.7	36%	NA	NA	30.34	1027.4
04:55 PM CDT	SW 13.9	10.00	Clear	--	54.9	26.4	33%	NA	NA	30.35	1027.8
04:35 PM CDT	12.8 G 17.2	10.00	Clear	--	55.2	26.8	33%	NA	NA	30.35	1027.8
04:15 PM CDT	SW 13.9 G 19.7	10.00	Clear	--	55.4	24.4	30%	NA	NA	30.35	1027.8
03:55 PM CDT	SW 12.8	10.00	Clear	--	55.4	24.3	30%	NA	NA	30.36	1028.1
03:35 PM CDT	13.9 G 17.2	10.00	Clear	--	55.8	27.7	34%	NA	NA	30.38	1028.5
03:15 PM CDT	16.1	10.00	Clear	--	55.9	27.7	34%	NA	NA	30.38	1028.8
02:55 PM CDT	SW 10.3 G 19.7	10.00	Clear	--	55.8	27.7	34%	NA	NA	30.39	1029.1
02:35 PM CDT	SW 13.9	10.00	NULL	--	55.0	26.1	32%	NA	NA	30.39	1029.1
02:15 PM CDT	SW 13.9 G 23.0	10.00	Clear	--	54.5	24.4	31%	NA	NA	30.41	1029.8
01:35 PM CDT	13.9 G 19.7	10.00	Clear	--	54.3	27.7	36%	NA	NA	30.42	1030.1
01:15 PM CDT	G 18.3	10.00	Clear	--	NULL		%	NA	NA		M
12:55 PM CDT	SW 12.8 G 19.7	10.00	Clear	--	52.9	28.8	39%	NA	NA	30.45	1031.2
12:35 PM CDT	SW 11.4 G 18.3	10.00	Clear	--	52.0	28.0	39%	NA	NA	30.46	1031.5
12:15 PM CDT	SW 12.8 G 20.8	10.00	Clear	--	51.1	25.7	37%	NA	NA	30.47	1031.8
11:55 AM CDT	12.8	10.00	Clear	--	50.5	29.8	45%	NA	NA	30.48	1032.2
11:30 AM CDT	11.4	10.00	Clear	--	48.6	29.8	48%	43.9	NA	30.49	1032.5
11:15 AM CDT	10.3	10.00	Clear	--	49.1	30.2	48%	44.8	NA	30.49	1032.5
10:50 AM CDT	9.2	10.00	Clear	--	48.6	30.2	49%	44.6	NA	30.49	1032.5
10:35 AM CDT	11.4	10.00	Clear	--	47.3	27.7	46%	42.3	NA	30.49	1032.5
10:15 AM CDT	8.1	10.00	Clear	--	45.5	31.6	58%	41.2	NA	30.51	1032.9
09:55 AM CDT	8.1	10.00	Clear	--	43.7	30.9	60%	39.0	NA	30.51	1032.9
09:35 AM CDT	S 6.9	10.00	Clear	--	NULL	30.7	%	NA	NA	30.51	1032.9
09:15 AM CDT	6.9	10.00	Clear	--	NULL	31.8	%	NA	NA	30.51	1033.2
08:55 AM CDT	3.4	10.00	Clear	--	NULL	32.2	%	NA	NA	30.51	1033.2
08:35 AM CDT	3.4	10.00	Clear	--	35.8	32.0	86%	33.1	NA	30.51	1032.9
08:15 AM CDT	0.0	10.00	Clear	--	34.7	30.4	84%	NA	NA	30.51	1032.9
07:55 AM CDT	0.0	10.00	NULL	--	32.0	29.7	91%	NA	NA	30.51	1032.9
07:35 AM CDT	0.0	10.00	Clear	--	30.4	28.9	94%	NA	NA	30.51	1032.9
07:15 AM CDT	0.0	10.00	Clear	--	31.1	29.1	92%	NA	NA	30.49	1032.5
06:55 AM CDT	0.0	10.00	Clear	--	30.4	28.6	93%	NA	NA	30.49	1032.5
06:35 AM CDT	0.0	10.00	Clear	--	30.0	28.9	96%	NA	NA	30.49	1032.5
06:15 AM CDT	0.0	10.00	Clear	--	30.0	28.9	96%	NA	NA	30.49	1032.5
05:55 AM CDT		10.00	Clear	--	NULL		%	NA	NA		M
05:35 AM CDT	S 3.4	10.00	Clear	--	29.3	28.8	98%	25.7	NA	30.49	1032.5
05:15 AM CDT	S 3.4	10.00	Clear	--	30.2	28.9	95%	26.8	NA	30.49	1032.5
04:55 AM CDT	0.0	10.00	Clear	--	31.3	30.0	95%	NA	NA	30.49	1032.5
04:35 AM CDT	0.0	10.00	Clear	--	31.3	29.8	94%	NA	NA	30.49	1032.5
04:15 AM CDT	0.0	10.00	Clear	--	30.9	29.7	95%	NA	NA	30.49	1032.5
03:55 AM CDT		10.00	Clear	--	NULL		%	NA	NA		M
03:35 AM CDT	0.0	10.00	Clear	--	30.6	29.3	95%	NA	NA	30.49	1032.5
03:15 AM CDT	0.0	10.00	Clear	--	30.4	29.3	96%	NA	NA	30.49	1032.5
02:55 AM CDT	3.4	10.00	Clear	--	30.9	29.3	94%	27.7	NA	30.49	1032.5
02:35 AM CDT	0.0	10.00	Clear	--	31.5	29.8	94%	NA	NA	30.49	1032.5
02:15 AM CDT	0.0	10.00	Clear	--	31.8	29.7	92%	NA	NA	30.49	1032.5
01:55 AM CDT		10.00	Clear	--	NULL		%	NA	NA		M
01:35 AM CDT		10.00	Clear	--	NULL		%	NA	NA		M
01:15 AM CDT	0.0	10.00	Clear	--	32.4	30.7	94%	NA	NA	30.49	1032.5
12:55 AM CDT	0.0	10.00	Clear	--	32.4	30.7	94%	NA	NA	30.49	1032.5
12:35 AM CDT	0.0	10.00	Clear	--	32.0	30.0	92%	NA	NA	30.49	1032.5

▼Nearby Weather Stations

🔔 Get instant severe weather alerts for Merrimac, WI — Subscribe to receive notifications by email, SMS, or voice call.