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Martinsville, MO Severe Weather Alertstar_ratehome

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Personal Weather Station
Location: Martinsville, MO
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Active Weather Alerts

Flash Flood Warning
Issued: 9:37 AM Jul. 21, 2025 – National Weather Service
The National Weather Service in Pleasant Hill MO has issued a

* Flash Flood Warning for...
Grundy County in north central Missouri...
Southeastern Harrison County in north central Missouri...
Southwestern Mercer County in north central Missouri...
Southwestern Sullivan County in north central Missouri...

* Until 930 AM CDT.

* At 437 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 0.5 and 1.5 inches of
rain have fallen. Additional rainfall amounts of 1 to 2 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar.

IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
Trenton, Bethany, Spickard, Galt, Humphreys, Mount Moriah,
Tindall, Brimson, Osgood, Mill Grove and Modena.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be aware of your surroundings and do not drive on flooded roads.

&&


FLASH FLOOD...RADAR INDICATED

Extreme Heat Watch
Issued: 7:03 AM Jul. 21, 2025 – National Weather Service
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON
THROUGH THURSDAY EVENING...

* WHAT...Dangerously hot conditions with heat index values up to 107
possible.

* WHERE...Grundy, Harrison, Linn MO, Macon, Mercer, Putnam,
Sullivan, Adair, Schuyler, and Worth Counties.

* WHEN...From Tuesday afternoon through Thursday evening.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Monitor the latest forecasts and warnings for updates.

&&

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