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.

Overcast

52°F

11°C

Humidity	87%
Wind Speed	NW 6 MPH
Barometer	30.17 in (1021.67 mb)
Dewpoint	48°F (9°C)
Visibility	10.00 mi
Last update	19 Sep 09:50 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 19, 10:11pm until September 20, 06:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch September 19, 10:11pm until September 20, 06:00pm
NOW until 6:00pm Sun
Flood Watch
Tonight
Low: 41 °F
Showers
Likely
Sunday
High: 48 °F
Showers
Sunday Night
Low: 37 °F
Chance
Showers then
Mostly Cloudy
Monday
High: 57 °F
Mostly Sunny
then Slight
Chance
T-storms
Monday Night
Low: 39 °F
Mostly Clear
Tuesday
High: 65 °F
Sunny
Tuesday Night
Low: 45 °F
Mostly Clear
then Slight
Chance
Showers
Wednesday
High: 64 °F
Chance
Showers

Detailed Forecast

Tonight

A chance of showers and thunderstorms, then showers likely after 3am. Mostly cloudy, with a low around 41. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

Showers and thunderstorms likely before 4pm, then showers and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 48. West northwest wind 3 to 6 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night

A 40 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 37. Calm wind becoming west northwest around 5 mph after midnight.

Monday

A 10 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 57. Calm wind becoming south 5 to 7 mph in the afternoon.

Monday Night

Mostly clear, with a low around 39. Light and variable wind becoming west 5 to 7 mph after midnight.

Tuesday

Sunny, with a high near 65. West northwest wind 5 to 10 mph becoming south southwest in the morning.

Tuesday Night

A 20 percent chance of showers after midnight. Partly cloudy, with a low around 45. West wind around 7 mph.

Wednesday

A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 64. Chance of precipitation is 30%.

Wednesday Night

Mostly clear, with a low around 44.