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29 September 2026 Observation History, [ALN] ALTON/ST LOUIS R, timezone: America/Chicago

Time Wind
(mph)
Vis.
(mi.)
Sky Cond.
(100s ft)
Present Wx Temperature (ºF) Relative
Humidity
Pressure Snow
Depth
(in)
Precipitation (in.)
Air Dwpt Feels Like 6 hour altimeter
(in.)
sea level
(mb)
1 hr 3 hr 6 hr
Max.Min.
12:15 AMCalm10 CLR
524952 89 30.030.00MM
KALN 290515Z AUTO 00000KT 10SM CLR 11/10 A3003 RMK AO2 T01140096
12:35 AMCalm10 CLR
534953 85 30.030.00MM
KALN 290535Z AUTO 00000KT 10SM CLR 12/10 A3003 RMK AO2 T01190095
12:55 AMCalm10 CLR
535053 67 52 88 30.040.00MM
KALN 290555Z AUTO 00000KT 10SM CLR 12/10 A3004 RMK AO2 T01160098 10196 20114 402740114
1:15 AMCalm10 CLR
514951 92 30.040.00MM
KALN 290615Z AUTO 00000KT 10SM CLR 11/09 A3004 RMK AO2 T01070094
1:35 AMCalm10 CLR
514851 91 30.040.00MM
KALN 290635Z AUTO 00000KT 10SM CLR 11/09 A3004 RMK AO2 T01050091
1:55 AME 310 CLR
514851 89 30.040.00MM
KALN 290655Z AUTO 08003KT 10SM CLR 11/09 A3004 RMK AO2 T01070090 TSNO

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.