Severe Thunderstorm and Tropical Storm Bertha Impacts

Numerous severe thunderstorms are expected across a broad region from the Ohio Valley to the Mid-Atlantic and Northeast States today into tonight. Swaths of damaging wind gusts are expected and some tornadoes are possible. Bertha is expected to bring tropical storm conditions to portions of the Gulf Coast from the Florida Panhandle westward to southeastern Louisiana later today and Wednesday. Read More >

Hazardous Weather Conditions

Flood Watch until July 23, 06:00 AM MDT

Current conditions at

Buffalo - Johnson County Airport (KBYG)

Lat: 44.38122°NLon: 106.71947°WElev: 4925.0ft.

Partly Cloudy

84°F

29°C

Humidity	26%
Wind Speed	S 4 MPH
Barometer	30.16 in (1021.34 mb)
Dewpoint	47°F (8°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	21 Jul 04:05 PM MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

17 Miles NE Ten Sleep WY

Flood Watch July 21, 04:20pm until July 23, 06:00am

Click here for hazard details and duration

Flood Watch

Flood Watch July 21, 04:20pm until July 23, 06:00am
NOW until 6:00am Thu
Flood Watch
This Afternoon
High: 74 °F
Isolated
T-storms
Tonight
Low: 52 °F
Scattered
Showers
Wednesday
High: 72 °F
Patchy Smoke
then
Scattered
T-storms
Wednesday Night
Low: 51 °F
Showers
Likely
Thursday
High: 68 °F
Showers
Thursday Night
Low: 50 °F
Slight Chance
T-storms then
Mostly Clear
Friday
High: 76 °F
Sunny
Friday Night
Low: 55 °F
Partly Cloudy

Detailed Forecast

This Afternoon

Isolated showers and thunderstorms before 5pm. Patchy smoke. Partly sunny, with a high near 74. Southwest wind around 7 mph becoming south southeast. Chance of precipitation is 10%.

Tonight

Scattered showers and thunderstorms before 1am, then isolated showers between 1am and 2am. Patchy smoke before 1am. Mostly cloudy, with a low around 52. East southeast wind 5 to 10 mph becoming north northeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

Wednesday

Scattered showers and thunderstorms, mainly after 1pm. Patchy smoke between 11am and noon. Increasing clouds, with a high near 72. North northeast wind 5 to 8 mph becoming south southwest in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers likely and possibly a thunderstorm before 9pm, then scattered showers and thunderstorms between 9pm and 11pm, then showers likely and possibly a thunderstorm after 11pm. Cloudy, with a low around 51. Northeast wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Thursday

Showers likely, then showers and possibly a thunderstorm after 9am. High near 68. Calm wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 50. North northwest wind 3 to 6 mph.

Friday

Sunny, with a high near 76. North northwest wind 6 to 10 mph becoming west in the morning. Winds could gust as high as 23 mph.

Friday Night

Partly cloudy, with a low around 55.

Saturday

A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79.

Saturday Night

A 10 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 55.

Sunday

A slight chance of showers and thunderstorms. Sunny, with a high near 78.