Big Rock, IA Current Weather Conditions

Current weather observations and 72-hour history for Big Rock, IA. • View 5-Day Forecast ›

▼Current Conditions — Big Rock, IA

MONTICELLO MUNI (KMXO)

Fog/Mist

44.6 F

Humidity:	100%
Wind Speed:	0.0 mph
Barometer:	30.21 in
Dewpoint:	44.6 F
Visibility:	6.00 mi
Precip:	--
Heat Index:	NA
Wind Chill:	NA

Oct 22 2026, 02:55 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 — Iowa

Temperature

Dewpoint

Wind Speed

Full Interactive Observation Map →

▼Radar — Iowa

Loading radar…

Active Alerts Lightning

Full Interactive Radar Map →

▼Hourly Observation History — Big Rock, IA

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)
02:55 AM CDT	0.0	6.00	Fog/Mist	--	44.6	44.6	100%	NA	NA	30.21	1023.0
02:35 AM CDT	0.0	9.00	Clear	--	44.6	44.6	100%	NA	NA	30.21	1023.0
02:15 AM CDT	0.0	9.00	Clear	--	44.6	44.6	100%	NA	NA	30.21	1023.0
01:55 AM CDT	0.0	8.00	Clear	--	46.4	46.4	100%	NA	NA	30.20	1022.7
01:35 AM CDT	0.0	9.00	Mostly Clear	--	46.4	46.4	100%	NA	NA	30.20	1022.7
01:15 AM CDT	0.0	10.00	Mostly Clear	--	46.4	46.4	100%	NA	NA	30.20	1022.7
12:55 AM CDT	0.0	10.00	Partly Cloudy	--	46.4	46.4	100%	NA	NA	30.20	1022.7
12:35 AM CDT	0.0	10.00	Mostly Clear	--	46.4	46.4	100%	NA	NA	30.20	1022.7
12:15 AM CDT	0.0	10.00	Mostly Clear	--	46.4	46.4	100%	NA	NA	30.20	1022.7
11:55 PM CDT	0.0	10.00	Mostly Clear	--	48.2	48.2	100%	NA	NA	30.20	1022.7
11:35 PM CDT	0.0	10.00	Partly Cloudy	--	48.2	48.2	100%	NA	NA	30.21	1023.0
11:15 PM CDT	0.0	10.00	Mostly Cloudy	--	48.2	48.2	100%	NA	NA	30.21	1023.0
10:55 PM CDT	0.0	10.00	Partly Cloudy	--	48.2	48.2	100%	NA	NA	30.21	1023.0
10:35 PM CDT	0.0	9.00	Partly Cloudy	--	48.2	48.2	100%	NA	NA	30.21	1023.0
10:15 PM CDT		10.00	Mostly Cloudy	--	NULL		%	NA	NA		M
09:55 PM CDT	0.0	9.00	Mostly Clear	--	50.0	50.0	100%	NA	NA	30.21	1023.0
09:35 PM CDT	0.0	10.00	Clear	--	50.0	50.0	100%	NA	NA	30.21	1023.0
09:15 PM CDT	0.0	10.00	Clear	--	50.0	50.0	100%	NA	NA	30.20	1022.7
08:55 PM CDT	0.0	10.00	Mostly Clear	--	51.8	50.0	94%	NA	NA	30.20	1022.7
08:35 PM CDT	0.0	9.00	Mostly Cloudy	--	53.6	51.8	94%	NA	NA	30.20	1022.7
08:15 PM CDT	0.0	10.00	Cloudy	--	55.4	51.8	88%	NA	NA	30.20	1022.7
07:55 PM CDT	0.0	10.00	Cloudy	--	57.2	51.8	82%	NA	NA	30.19	1022.4
07:35 PM CDT	0.0	10.00	Cloudy	--	57.2	51.8	82%	NA	NA	30.20	1022.7
07:15 PM CDT	0.0	10.00	Cloudy	--	NULL	50.0	%	NA	NA	30.19	1022.4
06:55 PM CDT	0.0	10.00	Mostly Cloudy	--	NULL	50.0	%	NA	NA	30.18	1022.0
06:35 PM CDT	0.0	10.00	Clear	--	NULL	50.0	%	NA	NA	30.18	1022.0
06:15 PM CDT	S 3.4	10.00	Clear	--	NULL	50.0	%	NA	NA	30.17	1021.7
05:55 PM CDT		9.00	Clear	--	NULL		%	NA	NA		M
05:35 PM CDT	3.4	10.00	Mostly Clear	--	69.8	50.0	49%	NA	NA	30.17	1021.7
05:15 PM CDT	5.8	10.00	Mostly Clear	--	71.6	50.0	46%	NA	70.7	30.18	1022.0
04:55 PM CDT		10.00	Partly Cloudy	--	NULL		%	NA	NA		M
04:35 PM CDT	5.8	10.00	Mostly Cloudy	--	71.6	48.2	43%	NA	70.5	30.18	1022.0
04:15 PM CDT	SW 5.8 G 11.4	10.00	Partly Cloudy	--	73.4	48.2	41%	NA	72.3	30.17	1021.7
03:35 PM CDT	S 5.8	10.00	Mostly Cloudy	--	71.6	48.2	43%	NA	70.5	30.17	1021.7
03:15 PM CDT	5.8	10.00	Partly Cloudy	--	71.6	48.2	43%	NA	70.5	30.17	1021.7
02:55 PM CDT	5.8	10.00	Cloudy	--	71.6	46.4	41%	NA	70.3	30.18	1022.0
02:35 PM CDT	8.1	10.00	Cloudy	--	73.4	48.2	41%	NA	72.3	30.18	1022.0
02:15 PM CDT	SW 5.8	10.00	Partly Cloudy	--	71.6	48.2	43%	NA	70.5	30.19	1022.4
01:55 PM CDT	6.9	10.00	Clear	--	71.6	46.4	41%	NA	70.3	30.19	1022.4
01:35 PM CDT	S 5.8 G 12.8	10.00	Mostly Clear	--	71.6	46.4	41%	NA	70.3	30.20	1022.7
01:15 PM CDT	S 8.1	10.00	Partly Cloudy	--	71.6	48.2	43%	NA	70.5	30.20	1022.7
12:55 PM CDT		10.00	NULL	--	NULL		%	NA	NA		M
12:35 PM CDT	0.0	10.00	Mostly Cloudy	--	69.8	48.2	46%	NA	NA	30.22	1023.4
12:15 PM CDT	6.9	10.00	Partly Cloudy	--	68.0	48.2	49%	NA	NA	30.23	1023.7
11:55 AM CDT		10.00	Clear	--	NULL		%	NA	NA		M
11:35 AM CDT	SW 5.8	10.00	Partly Cloudy	--	68.0	48.2	49%	NA	NA	30.23	1023.7
11:15 AM CDT	3.4	10.00	Partly Cloudy	--	66.2	50.0	56%	NA	NA	30.23	1023.7
10:55 AM CDT	0.0	10.00	Clear	--	66.2	50.0	56%	NA	NA	30.25	1024.1
10:35 AM CDT	0.0	10.00	Clear	--	62.6	51.8	68%	NA	NA	30.25	1024.1
10:15 AM CDT	SW 3.4	10.00	Clear	--	60.8	51.8	72%	NA	NA	30.25	1024.4
09:55 AM CDT	0.0	10.00	Clear	--	59.0	51.8	77%	NA	NA	30.25	1024.1
09:35 AM CDT	0.0	10.00	Clear	--	55.4	50.0	82%	NA	NA	30.25	1024.1
09:15 AM CDT	0.0	10.00	Clear	--	51.8	50.0	94%	NA	NA	30.25	1024.1
08:55 AM CDT	0.0	10.00	NULL	--	NULL	48.2	%	NA	NA	30.25	1024.1
02:55 AM CDT	0.0	10.00	NULL	--	NULL	39.2	%	NA	NA	30.23	1023.7
02:35 AM CDT		9.00	Clear	--	39.2	39.2	100%	NA	NA	30.23	1023.7
02:15 AM CDT	0.0	9.00	Clear	--	NULL	39.2	%	NA	NA	30.23	1023.7
01:55 AM CDT	0.0	10.00	Clear	--	39.2	39.2	100%	NA	NA	30.23	1023.7
01:35 AM CDT	0.0	9.00	Clear	--	NULL	39.2	%	NA	NA	30.23	1023.7
01:15 AM CDT	0.0	10.00	Clear	--	41.0	41.0	100%	NA	NA	30.23	1023.7
12:55 AM CDT		10.00	Clear	--	NULL		%	NA	NA		M
12:35 AM CDT	0.0	10.00	Clear	--	41.0	41.0	100%	NA	NA	30.25	1024.1
12:15 AM CDT	0.0	10.00	Clear	--	41.0	41.0	100%	NA	NA	30.25	1024.1
11:55 PM CDT	0.0	10.00	Clear	--	41.0	41.0	100%	NA	NA	30.25	1024.1
11:35 PM CDT	0.0	10.00	Clear	--	41.0	41.0	100%	NA	NA	30.25	1024.4
11:15 PM CDT		10.00	NULL	--	NULL		%	NA	NA		M
09:55 PM CDT	0.0	10.00	Clear	--	NULL	41.0	%	NA	NA	30.26	1024.7
09:35 PM CDT	0.0	10.00	Clear	--	NULL	42.8	%	NA	NA	30.26	1024.7
09:15 PM CDT	0.0	10.00	Clear	--	NULL	42.8	%	NA	NA	30.26	1024.7
08:55 PM CDT	E 3.4	10.00	Clear	--	NULL	44.6	%	NA	NA	30.26	1024.7
08:35 PM CDT	0.0	9.00	Clear	--	NULL	44.6	%	NA	NA	30.26	1024.7
08:15 PM CDT		10.00	Clear	--	NULL		%	NA	NA		M