IEM :: Observation History

22 September 2025 Observation History, [OTM] OTTUMWA, timezone: America/Chicago

Time	Wind (mph)	Vis. (mi.)	Sky Cond. (100s ft)	Temperature (ºF)					Relative Humidity	Pressure		Precipitation (in.)
				Air	Dwpt	Feels Like	6 hour			altimeter (in.)	sea level (mb)	1 hr	3 hr	6 hr
				Air	Dwpt	Feels Like	Max.	Min.		altimeter (in.)	sea level (mb)	1 hr	3 hr	6 hr
12:00 AM	S 6	10	CLR							29.87
KOTM 220500Z AUTO 17005KT 10SM CLR 18/17 A2987 RMK T01800170 MADISHF
12:05 AM	S 8	10	CLR							29.87
KOTM 220505Z AUTO 17007KT 10SM CLR 18/17 A2987 RMK T01800170 MADISHF
12:10 AM	S 8	10	CLR							29.87
KOTM 220510Z AUTO 17007KT 10SM CLR 18/17 A2987 RMK T01800170 MADISHF
12:15 AM	S 8	10	CLR							29.87
KOTM 220515Z AUTO 17007KT 10SM CLR 18/17 A2987 RMK T01800170 MADISHF
12:20 AM	S 8	10	CLR							29.87
KOTM 220520Z AUTO 18007KT 10SM CLR 18/17 A2987 RMK T01800170 MADISHF
12:25 AM	SSW 6	10	CLR							29.87
KOTM 220525Z AUTO 19005KT 10SM CLR 18/17 A2987 RMK T01800170 MADISHF
12:30 AM	SSW 6	10	CLR							29.85
KOTM 220530Z AUTO 19005KT 10SM CLR 18/17 A2985 RMK T01800170 MADISHF
12:35 AM	S 6	10	CLR							29.87
KOTM 220535Z AUTO 18005KT 10SM CLR 18/17 A2987 RMK T01800170 MADISHF
12:40 AM	SSW 6	10	CLR							29.87
KOTM 220540Z AUTO 19005KT 10SM CLR 18/17 A2987 RMK T01800170 MADISHF
12:45 AM	S 6	10	CLR							29.87
KOTM 220545Z AUTO 18005KT 10SM CLR 18/17 A2987 RMK T01800170 MADISHF
12:50 AM	SSW 6	10	CLR							29.87
KOTM 220550Z AUTO 19005KT 10SM CLR 18/17 A2987 RMK T01800170 MADISHF
12:53 AM	SSW 7	10	CLR	65	62	65	70	65	90	29.87	1011	0
KOTM 220553Z AUTO 19006KT 10SM CLR 18/17 A2987 RMK AO2 SLP110 T01830167 10211 20183 402560150 55005
12:55 AM	SSW 6	10	CLR							29.87
KOTM 220555Z AUTO 19005KT 10SM CLR 18/17 A2987 RMK T01800170 MADISHF
1:00 AM	SSW 6	10	CLR							29.87
KOTM 220600Z AUTO 20005KT 10SM CLR 18/17 A2987 RMK T01800170 MADISHF
1:05 AM	SSW 6	10	CLR							29.87
KOTM 220605Z AUTO 20005KT 10SM CLR 18/17 A2987 RMK T01800170 MADISHF
1:10 AM	SSW 8	10	CLR							29.85
KOTM 220610Z AUTO 20007KT 10SM CLR 18/17 A2985 RMK T01800170 MADISHF
1:15 AM	SSW 8	10	CLR							29.87
KOTM 220615Z AUTO 20007KT 10SM CLR 18/17 A2987 RMK T01800170 MADISHF
1:20 AM	SSW 8	10	CLR							29.87
KOTM 220620Z AUTO 20007KT 10SM CLR 18/17 A2987 RMK T01800170 MADISHF
1:25 AM	SSW 9	10	CLR							29.87
KOTM 220625Z AUTO 20008KT 10SM CLR 18/17 A2987 RMK T01800170 MADISHF
1:30 AM	SSW 9	10	CLR							29.87
KOTM 220630Z AUTO 20008KT 10SM CLR 18/17 A2987 RMK T01800170 MADISHF
1:35 AM	SSW 8	10	CLR							29.87
KOTM 220635Z AUTO 20007KT 10SM CLR 18/17 A2987 RMK T01800170 MADISHF
1:40 AM	SSW 6	10	CLR							29.87
KOTM 220640Z AUTO 20005KT 10SM CLR 18/17 A2987 RMK T01800170 MADISHF
1:45 AM	SSW 6	10	CLR							29.87
KOTM 220645Z AUTO 21005KT 10SM CLR 18/17 A2987 RMK T01800170 MADISHF
1:50 AM	SSW 6	10	CLR							29.84
KOTM 220650Z AUTO 21005KT 10SM CLR 18/17 A2984 RMK T01800170 MADISHF
1:53 AM	SSW 6	10	CLR	64	62	64			93	29.87	1010.8	0
KOTM 220653Z AUTO 21005KT 10SM CLR 18/17 A2987 RMK AO2 SLP108 T01780167
1:55 AM	SSW 6	10	CLR							29.87
KOTM 220655Z AUTO 20005KT 10SM CLR 18/17 A2987 RMK T01800170 MADISHF
2:00 AM	SSW 6	10	CLR							29.87
KOTM 220700Z AUTO 20005KT 10SM CLR 18/17 A2987 RMK T01800170 MADISHF
2:05 AM	M	10	CLR							29.86
KOTM 220705Z AUTO /////KT 10SM CLR 18/17 A2986 RMK T01800170 MADISHF
2:10 AM	SSW 6	10	CLR							29.86
KOTM 220710Z AUTO 19005KT 10SM CLR 18/17 A2986 RMK T01800170 MADISHF
2:15 AM	SSW 8	10	CLR							29.86
KOTM 220715Z AUTO 19007KT 10SM CLR 18/17 A2986 RMK T01800170 MADISHF
2:20 AM	M	10	CLR							29.86
KOTM 220720Z AUTO /////KT 10SM CLR 18/17 A2986 RMK T01800170 MADISHF
2:25 AM	M	10	CLR							29.86
KOTM 220725Z AUTO /////KT 10SM CLR 18/17 A2986 RMK T01800170 MADISHF
2:30 AM	M	10	CLR							29.83
KOTM 220730Z AUTO /////KT 10SM CLR 18/17 A2983 RMK T01800170 MADISHF
2:35 AM	SSW 6	10	CLR							29.85
KOTM 220735Z AUTO 19005KT 10SM CLR 18/17 A2985 RMK T01800170 MADISHF
2:40 AM	SSW 6	10	CLR							29.85
KOTM 220740Z AUTO 19005KT 10SM CLR 18/17 A2985 RMK T01800170 MADISHF
2:45 AM	SSW 6	10	FEW120							29.85
KOTM 220745Z AUTO 20005KT 10SM FEW120 18/17 A2985 RMK T01800170 MADISHF
2:50 AM	SSW 6	10	FEW120							29.85
KOTM 220750Z AUTO 20005KT 10SM FEW120 18/17 A2985 RMK T01800170 MADISHF
2:53 AM	SSW 6	10	FEW120	64	62	64			93	29.85	1010.3	0
KOTM 220753Z AUTO 20005KT 10SM FEW120 18/17 A2985 RMK AO2 SLP103 T01780167
2:55 AM	SSW 6	10	FEW120							29.85
KOTM 220755Z AUTO 20005KT 10SM FEW120 18/17 A2985 RMK T01800170 MADISHF
3:00 AM	SSW 5	10	FEW120							29.85
KOTM 220800Z AUTO 19004KT 10SM FEW120 18/17 A2985 RMK T01800170 MADISHF
3:05 AM	SSW 2	10	FEW120							29.85
KOTM 220805Z AUTO 20002KT 10SM FEW120 17/16 A2985 RMK T01700160 MADISHF
3:10 AM	SSW 2	10	FEW120							29.85
KOTM 220810Z AUTO 19002KT 10SM FEW120 17/16 A2985 RMK T01700160 MADISHF
3:15 AM	S 5	10	FEW120							29.82
KOTM 220815Z AUTO 18004KT 10SM FEW120 17/17 A2982 RMK T01700170 MADISHF
3:20 AM	S 5	10	CLR							29.84
KOTM 220820Z AUTO 18004KT 10SM CLR 17/17 A2984 RMK T01700170 MADISHF
3:25 AM	S 5	10	CLR							29.84
KOTM 220825Z AUTO 18004KT 10SM CLR 17/16 A2984 RMK T01700160 MADISHF
3:30 AM	S 5	10	CLR							29.84
KOTM 220830Z AUTO 18004KT 10SM CLR 17/16 A2984 RMK T01700160 MADISHF
3:35 AM	S 5	10	CLR							29.84
KOTM 220835Z AUTO 18004KT 10SM CLR 17/16 A2984 RMK T01700160 MADISHF
3:40 AM	S 5	10	CLR							29.84
KOTM 220840Z AUTO 18004KT 10SM CLR 17/16 A2984 RMK T01700160 MADISHF
3:45 AM	SSW 5	10	CLR							29.84
KOTM 220845Z AUTO 19004KT 10SM CLR 17/16 A2984 RMK T01700160 MADISHF
3:53 AM	SSW 5	10	CLR	62	61	62			96	29.82	1009.2	0
KOTM 220853Z AUTO 21004KT 10SM CLR 17/16 A2982 RMK AO2 PRESFR SLP092 T01670161 58018
4:00 AM	SSW 5	10	CLR							29.84
KOTM 220900Z AUTO 19004KT 10SM CLR 16/16 A2984 RMK T01600160 MADISHF
4:05 AM	SSW 5	10	CLR							29.84
KOTM 220905Z AUTO 19004KT 10SM CLR 16/16 A2984 RMK T01600160 MADISHF
4:10 AM	SSW 6	10	CLR							29.83
KOTM 220910Z AUTO 19005KT 10SM CLR 16/16 A2983 RMK T01600160 MADISHF
4:15 AM	S 6	10	CLR							29.83
KOTM 220915Z AUTO 18005KT 10SM CLR 16/16 A2983 RMK T01600160 MADISHF
4:20 AM	SSW 6	10	FEW034							29.83
KOTM 220920Z AUTO 19005KT 10SM FEW034 16/16 A2983 RMK T01600160 MADISHF
4:25 AM	SSW 5	10	FEW034							29.83
KOTM 220925Z AUTO 19004KT 10SM FEW034 17/16 A2983 RMK T01700160 MADISHF
4:35 AM	S 5	10	FEW033							29.81
KOTM 220935Z AUTO 17004KT 10SM FEW033 17/16 A2981 RMK T01700160 MADISHF
4:40 AM	S 5	10	FEW032							29.84
KOTM 220940Z AUTO 17004KT 10SM FEW032 17/16 A2984 RMK T01700160 MADISHF
4:45 AM	S 5	10	FEW034							29.84
KOTM 220945Z AUTO 17004KT 10SM FEW034 17/16 A2984 RMK T01700160 MADISHF
4:53 AM	SSE 5	10	FEW032	62	61	62			96	29.84	1010	0
KOTM 220953Z AUTO 16004KT 10SM FEW032 17/16 A2984 RMK AO2 SLP100 T01670161
5:00 AM	S 5	10	FEW040							29.84
KOTM 221000Z AUTO 17004KT 10SM FEW040 17/16 A2984 RMK T01700160 MADISHF
5:05 AM	S 6	10	FEW040							29.84
KOTM 221005Z AUTO 17005KT 10SM FEW040 17/16 A2984 RMK T01700160 MADISHF
5:10 AM	S 6	10	FEW040							29.84
KOTM 221010Z AUTO 17005KT 10SM FEW040 17/16 A2984 RMK T01700160 MADISHF

API: The IEM API webservice that provided data to this page. For more details, see documentation.

Data Notes

For recent years, this page also optionally shows observations from the MADIS High Frequency METAR dataset. This dataset had a problem with temperatures detailed here.