Mercer County Emergency Management Agency

08/19/2026

Spoke with US National Weather Service Wilmington OH they told us these are likely Cold Air Funnels and likely will not touch the ground. Please let us know where you spot them and stay clear from them.

08/15/2026

This afternoon: Showers likely and possibly a thunderstorm. Cloudy, with a high near 81. Southeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Tonight: Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 70. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

REMAIN WEATHER AWARE!
https://forecast.weather.gov/MapClick.php?lon=-84.815&lat=40.7

08/15/2026

08/14/2026

Today: A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 82. East wind 3 to 5 mph. Chance of precipitation is 20%.

Tonight: A slight chance of showers and thunderstorms before 10pm, then a chance of showers after 2am. Partly cloudy, with a low around 67. Light northeast wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

https://forecast.weather.gov/MapClick.php?x=117&y=39&site=iln&zmx=&zmy=&map_x=117&map_y=39

08/13/2026

Mercer County Fairgrounds-Celina, Ohio FAIR WEEK!

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This afternoon, mostly sunny high of 81. Calm.

This evening, A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Some of the storms could produce heavy rainfall. Low around 66. Calm wind. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

https://forecast.weather.gov/MapClick.php?x=115&y=36&site=iln&zmx=&zmy=&map_x=115&map_y=36

08/12/2026

[Posted 8/12/2026 at 2:25 PM]

🚨 FLOOD WARNING IN EFFECT UNTIL 8:00 PM EDT

🌧️ 1.5–3.5 inches of rain has already fallen, with an additional 0.5–1.5 inches possible this afternoon.

Flooding of rivers, creeks, streams, and other low-lying and flood-prone areas is occurring or imminent.

⚠️ Turn Around, Don’t Drown! Never drive through a flooded roadway. Most flood deaths occur in vehicles. If you encounter a flooded road, turn around and find another route.

08/12/2026

1" hail being reported throughout the county. Please stay aware of changing weather conditions.

In the United States, a severe thunderstorm is officially defined by the National Weather Service (NWS) and National Oceanic and Atmospheric Administration (NOAA) as a thunderstorm that produces at least one of the following:

Hail of 1 inch (2.5 cm) in diameter or larger — roughly the size of a U.S. quarter.

Winds of 58 mph (93 km/h) or greater — this includes both straight-line winds (e.g., from microbursts or bow echoes) and tornado winds

08/11/2026

https://forecast.weather.gov/MapClick.php?lat=40.5879&lon=-84.5324&unit=0&lg=english&FcstType=graphical

Rain continued in the week's forecast. Some rumbles of thunder cannot be ruled out. Stay aware of changing conditions.

08/11/2026

Please stay aware of changing conditions. Reminder the saturated ground we have, it can easily uproot large trees.

Round 2 - Severe Thunderstorm watch until 8PM. Potential for 70-80 MPH winds, which can cause significant widespread damage.