Johnson County WY Emergency Management

05/12/2026

This is a reminder that this second quarter meeting of 2026 for the LEPC is this Thursday!

5/14/26 at 9am in the Planning Meeting Room; Annex A Building.

26 N. DeSmet Ave., Buffalo, WY 82834

Anyone is welcome and we would love to have anyone interested join us!

05/11/2026

Heads up this week Johnson County! Elevated temps, and breezy conditions this week will make for some potentially hazardous conditions!

04/26/2026

Happy Sunday. Be prepared for more snow and wintery conditions through tomorrow, particularly in northern county areas!

Key Messages:

Snow returning to portions of the area late today and tonight

The Bighorns and Johnson County to be the most impacted

Maximum impacts will be Sunday night.

04/25/2026

04/23/2026

Here is the latest update on the weather between now and Friday from US National Weather Service Riverton. Be careful out there!

Key Messages:

Mountain snow and valley snow/rain continue through Thursday across far west Wyoming

Occasional 45 to 55 mph wind gusts diminish overnight

Wind gusts 25 to 40 mph Thursday and Friday, mainly across central and southwest Wyoming, lead to elevated fire weather conditions

Recent Updates:

All Fire and Wind Warnings expired at 8 PM Wednesday

04/21/2026

Here is the latest weather update from US National Weather Service Riverton Wyoming........fire watches today & tomorrow, then we go back to winter for a few days. Be prepared wherever you are!

04/21/2026

FIRE WEATHER WATCH IN EFFECT FROM LATE WEDNESDAY MORNING
THROUGH WEDNESDAY EVENING...

The National Weather Service in Riverton has issued a Fire Weather
Watch, which is in effect from late Wednesday morning through
Wednesday evening.

* IMPACTS: Low Humidities and Strong Gusty Winds could cause
erratic fire behavior.

* AFFECTED AREA:
In Central WY Fire Zones...280...283...285...289...300.
In North Central WY Fire Zones...275...276...281...282...287.

* COUNTIES AFFECTED:
In Central WY...Fremont...Natrona.
In North Central WY...Big Horn...Hot Springs...Johnson...Park
Washakie.
In Southwest WY...Sweetwater.

* WIND: Southwest 25 to 35 mph with gusts up to 55 mph.

* HUMIDITY: As low as 10 to 15 percent.

* ADDITIONAL DETAILS: While wind will not be as strong as on
Wednesday, elevated to near critical fire weather conditions will
be seen today across much of the same area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible Red
Flag Warnings.

04/15/2026

Key Messages:

Snow increases in coverage and intensity tonight across the higher elevations of western/northwestern WY.

Gusty winds and snow squalls are forecast Thursday afternoon/evening for locations east of the Divide. The best chances for snow squalls looks to be across portions of Natrona and Johnson Counties.

A period of steady light to moderate snow will be possible over central WY Friday morning and gradually dissipate by the late morning hours.

Cold temperatures will follow behind the cold front bringing sub-freezing temperatures and a hard freeze for lower elevations Friday and Saturday mornings.

Recent Updates:

Winter Weather Advisories have been issued for portions of central WY including parts of Fremont, Natrona, and Johnson Counties.

04/15/2026

WINTER WEATHER ADVISORY IN EFFECT FROM NOON THURSDAY TO 6 AM MDT
FRIDAY...

* WHAT...Snow, wind, and cold expected. Total snow accumulations
between 1 and 3 inches with gusty north winds. Winds gusting
between 35 and 55 mph, with gusts of 60 mph possible. Expect
temperatures below 28 degrees Friday morning.

* WHERE...Northeast Johnson County and Southeast Johnson County.

* WHEN...From noon Thursday to 6 AM MDT Friday.

* IMPACTS...Plan on hazardous road conditions, including along I-25.
Gusty winds and snow will cause limited visibility. Vulnerable
outdoor equipment and vegetation could be impacted by freezing
temperatures.

* ADDITIONAL DETAILS...Snow squalls are possible Thursday afternoon
and evening. If a snow squall does occur, expect instances of very
low visibilities. Temperatures will drop below 28 degrees by
Friday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts, visit
https://weather.gov/riw/winter .

For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info .

04/15/2026

WINTER WEATHER ADVISORY IN EFFECT FROM 9 AM THURSDAY TO 6 AM MDT
FRIDAY...

* WHAT...Snow and wind expected. Total snow accumulations between 6
and 13 inches for elevations above 7,000 feet. Total snow
accumulations of 9 to 12 inches across Powder River Pass. Winds
gusting between 35 and 55 mph.

* WHERE...Bighorn Mountains Southeast and Bighorn Mountains West.

* WHEN...From 9 AM Thursday to 6 AM MDT Friday.

* IMPACTS...Travel could be difficult, especially over Powder River
Pass, on Thursday. Gusty winds will cause limited visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts, visit
https://weather.gov/riw/winter .

For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info .