Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Buffalo - Johnson County Airport (KBYG)

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

Clear

79°F

26°C

Humidity	30%
Wind Speed	E 4 MPH
Barometer	30.11 in (1019.64 mb)
Dewpoint	45°F (7°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	18 Sep 01:53 PM MDT

More Information:

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

Extended Forecast for

21 Miles SW Buffalo WY

Flood Watch September 18, 02:05pm until September 20, 06:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch September 18, 02:05pm until September 20, 06:00pm
NOW until 6:00pm Sun
Flood Watch
This Afternoon
High: 68 °F
Showers
Likely
Tonight
Low: 46 °F
Showers and
Patchy Fog
then Chance
Showers and
Patchy Fog
Saturday
High: 56 °F
Showers and
Patchy Fog
Saturday Night
Low: 41 °F
Showers and
Patchy Fog
Sunday
High: 50 °F
Showers
Sunday Night
Low: 39 °F
Chance
Showers then
Mostly Cloudy
Monday
High: 58 °F
Mostly Sunny
then Slight
Chance
T-storms
Monday Night
Low: 42 °F
Mostly Clear

Detailed Forecast

This Afternoon

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 68. West southwest wind around 7 mph. Chance of precipitation is 60%.

Tonight

Showers and thunderstorms before 3am, then a slight chance of showers between 3am and 5am. Patchy fog between 11pm and 2am. Low around 46. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Saturday

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. Patchy fog between 8am and 9am. High near 56. Calm wind becoming south southwest 5 to 7 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Showers and thunderstorms. Patchy fog between 7pm and 8pm. Low around 41. North northeast wind 5 to 7 mph becoming light and variable. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

Showers, with thunderstorms also possible after 9am. High near 50. West wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night

A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 39. Northwest wind around 5 mph becoming calm. Chance of precipitation is 50%.

Monday

A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 58. Calm wind becoming south 5 to 8 mph in the afternoon.

Monday Night

Mostly clear, with a low around 42.

Tuesday

Mostly sunny, with a high near 64.

Tuesday Night

A 20 percent chance of showers after midnight. Partly cloudy, with a low around 46.

Wednesday

A chance of showers and thunderstorms. Mostly sunny, with a high near 65.

Wednesday Night

Mostly clear, with a low around 46.