Hazardous Weather Conditions
Current conditions at
Marysville Union County Airport (KMRT)
Lat: 40.22°NLon: 83.35°WElev: 1021ft.
A Few Clouds
84°F
29°C
| Humidity | 55% |
| Wind Speed | SW 15 mph |
| Barometer | 29.97 in |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Heat Index | 86°F (30°C) |
| Last update | 19 May 7:15 pm EDT |
Extended Forecast for
North Lewisburg OH
Severe T-storm Watch until May 19, 10:00pm
NOW until 10:00pm Tue
Severe T-storm Watch
Tonight
Low: 59 °F
Severe
Thunderstorms
then Showers
LikelyWednesday

High: 65 °F
Showers
LikelyWednesday Night
Low: 44 °F
Chance
Showers then
Mostly CloudyThursday

High: 68 °F
Mostly Sunny
Thursday Night
Low: 50 °F
Mostly Cloudy
then Slight
Chance
ShowersFriday

High: 70 °F
Showers
Friday Night

Low: 60 °F
Showers
Saturday

High: 77 °F
Showers
Likely
Detailed Forecast
Tonight
Showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 2am, then showers likely after 2am. Some of the storms could be severe. Low around 59. Southwest wind 7 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms likely before 1pm, then showers likely and possibly a thunderstorm between 1pm and 2pm, then a chance of showers after 2pm. Mostly cloudy, with a high near 65. North wind 8 to 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers before 7pm. Mostly cloudy, with a low around 44. Northeast wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Mostly sunny, with a high near 68. Northeast wind around 11 mph, with gusts as high as 22 mph.
Thursday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 50. Northeast wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Friday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 70. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
Showers and possibly a thunderstorm. Low around 60. Chance of precipitation is 90%.
Saturday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 79. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Tuesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Chance of precipitation is 40%.
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ABOUT THIS FORECAST
Point Forecast:
North Lewisburg OH
40.21°N 83.55°W (Elev. 1079 ft)
40.21°N 83.55°W (Elev. 1079 ft)
6:37 pm EDT May 19, 2026
7pm EDT May 19, 2026-6pm EDT May 26, 2026



