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Elev 3927 ft, 47.19 °N, 109.28 °W

Lewistown, MT Severe Weather Alertstar_ratehome

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Personal Weather Station
Location: Lewistown, MT
Elevation: 3927ft
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Active Weather Alerts

Severe Thunderstorm Watch
Issued: 10:06 PM Jul. 25, 2026 – National Weather Service
SEVERE THUNDERSTORM WATCH 514 REMAINS VALID UNTIL 10 PM MDT THIS
EVENING FOR THE FOLLOWING AREAS

IN MONTANA THIS WATCH INCLUDES 7 COUNTIES

IN CENTRAL MONTANA

FERGUS                JUDITH BASIN          MEAGHER

IN SOUTHWEST MONTANA

BROADWATER            GALLATIN              JEFFERSON
MADISON

THIS INCLUDES THE CITIES OF BATTLE RIDGE PASS, BOULDER,
BOULDER HILL, BOZEMAN APT, BOZEMAN PASS, CITY OF BOZEMAN,
DEEP CREEK PASS, ELK PARK PASS, ENNIS, GRASS RANGE, HOBSON,
HOMESTAKE PASS, LEWISTOWN, LEWISTOWN DIVIDE, MARTINSDALE,
MONTANA CITY, NORRIS HILL, RAYNESFORD, RAYNOLDS PASS, STANFORD,
TARGHEE PASS, TOSTON, TOWNSEND, TWIN BRIDGES, VIRGINIA CITY,
WEST YELLOWSTONE, WHITE SULPHUR SPRINGS, WHITEHALL, WINIFRED,
AND WINSTON.

Special Weather Statement
Issued: 9:46 PM Jul. 25, 2026 – National Weather Service
...A STRONG THUNDERSTORM WILL IMPACT SOUTHEASTERN FERGUS COUNTY
THROUGH 430 PM MDT...

At 346 PM MDT, Doppler radar was tracking a strong thunderstorm 8
miles southeast of Grass Range, moving northeast at 30 mph.

HAZARD...Wind gusts up to 40 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to vegetation is
possible.

This storm will remain over mainly rural areas of southeastern Fergus
County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 1000 PM MDT for
central Montana.

&&


MAX HAIL SIZE...0.50 IN;
MAX WIND GUST...40 MPH

Red Flag Warning
Issued: 7:33 PM Jul. 25, 2026 – National Weather Service
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR HOT TEMPERATURES, GUSTY WINDS, AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONES 112, 113, 114, 115, AND 117...

* AFFECTED AREA...Eastern Glacier/Toole/Central/Eastern
Pondera/Liberty, Hill and Blaine Counties, Lewis and Clark
National Forest Rocky Mountain District-Rocky Mountain Front,
Chouteau and Fergus Counties and Central and Eastern Lewis and
Clark National Forest Areas.

* WINDS...Southwest 10 to 20 mph with gusts up to 35 mph.

* RELATIVE HUMIDITY...As low as 13 percent.

* TEMPERATURES...Up to 102.

* THUNDERSTORMS...Isolated to widely scattered showers and
thunderstorms may cause localized strong, and erratic wind gusts
and lightning, mostly over zones 115, 117 and 118 this
afternoon.

* IMPACTS...Containment of any ongoing or new fires may be very
difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly.  A combination of strong
winds, low relative humidity, and warm temperatures can contribute
to extreme fire behavior.

Please advise the appropriate officials or fire crews in these
areas of this Red Flag Warning.

&&

Extreme Heat Warning
Issued: 7:27 PM Jul. 25, 2026 – National Weather Service
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SUNDAY...

* WHAT...Dangerously hot conditions. High temperatures between 100
and 107 degrees expected today, with overnight temperatures only
dropping to the mid to upper 60s. High temperatures between 95 and
100 expected Sunday.

* WHERE...Bears Paw Mountains and Southern Blaine and Fergus County
below 4500ft.

* WHEN...Until 9 PM MDT Sunday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

If you must spend time outdoors, wear lightweight and loose fitting
clothing. Try to limit strenuous activities to early morning or
evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

&&

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