Lyon County weather, town by town
9 places in Lyon County, Kansas, each with its own live forecast and radar, and where a station sits close enough, measured weather records.
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Measured at the NOAA stations serving these towns, daily records 1896 to 2026. Station extremes, not official state records.
Lyon County Weather Facts
Lyon County has 9 places on myweatherrock (9 cities), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 118°F at Osage City on July 18, 1936. The coldest night is -26°F at Osage City on February 12, 1899. The wettest day brought 7.93 inches of rain at Emporia 0.9 W on October 25, 2023. The biggest single-day snow measured 20 inches at Madison on February 13, 1914. Those are station measurements from NOAA's daily records, 1896 to 2026, not official state records. By area the largest place is Emporia, about 12 square miles.
About Lyon County weather
The map on the Now tab shows every Lyon County town's current temperature from our own server, one dot per town. Tap any dot, or type a town above, for that town's full forecast.
What the weather is usually like
Across the 9 Lyon County towns with station normals, the warmest month is July, when the day usually reaches 89°F, and the coldest is January, when the night usually falls to 19°F. May is the wettest, with rain on about 11 days. January nights run from about 18°F in Admire to 21°F in Neosho Rapids.
Means of the 1991 to 2020 station normals serving these towns, as published by NOAA; each town's page carries its own.
Where these numbers come from
- Current conditions and forecast: NOAA forecast grids decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
- Records: computed by myweatherrock from NOAA GHCN-Daily station records at the stations serving these towns. Measurements, not estimates.
- Warnings and alerts: the National Weather Service, passed through unchanged.
Lyon County weather records
Measured at the NOAA stations serving these towns, daily records 1896 to 2026. Station extremes, not official state records.
Common questions about Lyon County weather
- What is the hottest temperature recorded at a Lyon County station?
- 118°F at Osage City on July 18, 1936, in the NOAA daily station records myweatherrock holds (1896 to 2026).
- What is the coldest temperature recorded at a Lyon County station?
- -26°F at Osage City on February 12, 1899.
- What is the most rain a Lyon County station has measured in one day?
- 7.93 inches at Emporia 0.9 W on October 25, 2023.
- What is the biggest one-day snowfall at a Lyon County station?
- 20 inches at Madison on February 13, 1914.
- How many Lyon County towns have a weather page here?
- 9: 9 cities. Each page carries current conditions, the hourly timeline, the ten day outlook, radar, and where a station sits close enough, measured records.
- Where does the Lyon County forecast come from?
- NOAA forecast grids (the National Weather Service digital forecast, the National Blend of Models, HRRR and GFS) decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
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