South Meridian, Idaho

43° 33.05' N | 116° 21.16' W | 2687 feet | Show on map

Monthly Weather Summary

09/11/2026 05:26:00 PM MDT

Station: WeatherFlow
Software: WeeWX v5.5.0
Weewx uptime: 24 Days, 5 Hours, 20 Minutes
Server uptime: 24 Days, 5 Hours, 4 Minutes

This Month

High Temperature 87.0 °F 09/10/2026 06:35:02 PM
Low Temperature 45.2 °F 09/08/2026 07:37:14 AM
High Heat Index 87.4 °F 09/01/2026 05:22:32 PM
Low Wind Chill 45.2 °F 09/08/2026 07:38:00 AM
High Dewpoint 64.6 °F 09/10/2026 04:22:04 PM
Low Dewpoint 43.3 °F 09/08/2026 07:22:15 AM
High Humidity 99% 09/03/2026 08:14:43 AM
Low Humidity 38% 09/02/2026 01:18:07 PM
High Barometer 30.371 inHg 09/09/2026 08:14:45 AM
Low Barometer 29.564 inHg 09/01/2026 05:57:31 PM
Rain Total 0.53 in
High Rain Rate 0.14 in/h 09/04/2026 01:25:13 PM
High Wind Speed 8 mph
274 °
09/06/2026 07:34:19 PM
Average Wind 1 mph
RMS Wind 1 mph
Vector Average Speed 0 mph
Vector Average Direction 264 °
High UV Index 9 09/03/2026 03:44:35 PM
High Evapotranspiration 0.00040 in 09/11/2026 02:34:00 PM
Evapotranspiration Total 1.32 in
High Radiation 1062 W/m² 09/03/2026 03:44:35 PM
High Brightness 127451 lx 09/03/2026 03:44:35 PM
Max Lightning Day 1 09/03/2026 09:30:27 PM
Lightning Total 1

Last September 2025

High Temperature 99.2 °F 09/01/2025 05:33:30 PM
Low Temperature 47.2 °F 09/27/2025 06:46:51 AM
High Heat Index 94.6 °F 09/01/2025 05:41:29 PM
Low Wind Chill 47.2 °F 09/27/2025 06:47:00 AM
High Dewpoint 60.9 °F 09/06/2025 01:15:07 PM
Low Dewpoint 21.3 °F 09/27/2025 06:03:35 PM
High Humidity 92% 09/30/2025 05:46:21 AM
Low Humidity 10% 09/01/2025 05:14:30 PM
High Barometer 30.264 inHg 09/23/2025 08:39:47 AM
Low Barometer 29.606 inHg 09/04/2025 06:32:58 PM
Rain Total 1.69 in
High Rain Rate 1.81 in/h 09/29/2025 09:53:38 PM
High Wind Speed 12 mph
264 °
09/11/2025 08:25:24 PM
Average Wind 1 mph
RMS Wind 1 mph
Vector Average Speed 0 mph
Vector Average Direction 212 °
High UV Index 10 09/06/2025 12:51:44 PM
High Evapotranspiration 0.00043 in 09/02/2025 02:40:00 PM
Evapotranspiration Total 3.74 in
High Radiation 1077 W/m² 09/11/2025 01:52:30 PM
High Brightness 129240 lx 09/11/2025 01:52:30 PM
Max Lightning Day 6 09/10/2025 08:55:13 AM
Lightning Total 126

Last Month (August 2026)

High Temperature 101.0 °F 08/01/2026 05:17:51 PM
Low Temperature 48.1 °F 08/31/2026 07:13:12 AM
High Heat Index 106.5 °F 08/26/2026 06:18:28 PM
Low Wind Chill 48.1 °F 08/31/2026 07:14:00 AM
High Dewpoint 69.3 °F 08/16/2026 03:34:28 PM
Low Dewpoint 34.7 °F 08/31/2026 07:29:12 AM
High Humidity 88% 08/14/2026 07:23:38 AM
Low Humidity 19% 08/02/2026 06:58:17 PM
High Barometer 30.123 inHg 08/30/2026 08:32:42 AM
Low Barometer 29.529 inHg 08/12/2026 08:00:21 PM
Rain Total 0.04 in
High Rain Rate 0.10 in/h 08/15/2026 04:58:55 PM
High Wind Speed 11 mph
69 °
08/13/2026 06:00:43 PM
Average Wind 1 mph
RMS Wind 1 mph
Vector Average Speed 0 mph
Vector Average Direction 308 °
High UV Index 10 08/03/2026 01:10:59 PM
High Evapotranspiration 0.00057 in 08/16/2026 02:32:00 PM
Evapotranspiration Total 5.64 in
High Radiation 1406 W/m² 08/15/2026 01:02:49 PM
High Brightness 168770 lx 08/15/2026 01:02:49 PM
Max Lightning Day 1 08/04/2026 09:53:15 PM
Lightning Total 10

Monthly Statistics and Plots

temperatures rain wind Hi Wind Wind Vector barometer Inside/Outside Humidity UV Index Radiation Lightning battery