Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

Hazardous Weather Conditions

Flood Watch in effect from September 18, 12:00 PM MDT until September 20, 06:00 PM MDT

Current conditions at

Buffalo - Johnson County Airport (KBYG)

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

Clear

54°F

12°C

Humidity	93%
Wind Speed	W 3 MPH
Barometer	30.1 in (1019.3 mb)
Dewpoint	52°F (11°C)
Visibility	10.00 mi
Last update	18 Sep 02:20 AM 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, 12:00pm until September 20, 06:00pm

Click here for hazard details and duration

Flood Watch

Overnight
Low: 51 °F
Partly Cloudy
Friday
High: 67 °F
Sunny then
Chance
Showers
Friday Night
Low: 45 °F
Showers then
Chance
Showers and
Patchy Fog
Saturday
High: 57 °F
Showers
Saturday Night
Low: 41 °F
Showers
Sunday
High: 50 °F
Showers
Sunday Night
Low: 38 °F
Chance
Showers then
Mostly Cloudy
Monday
High: 57 °F
Mostly Sunny
then Chance
Showers
Monday Night
Low: 41 °F
Partly Cloudy

Detailed Forecast

Overnight

Partly cloudy, with a steady temperature around 51. West northwest wind 9 to 11 mph.

Friday

A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67. West northwest wind 5 to 8 mph becoming light and variable.

Friday Night

Showers and thunderstorms before 4am, then a chance of showers and thunderstorms after 5am. Patchy fog after midnight. Low around 45. South southeast wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Saturday

Showers and thunderstorms, mainly before 11am, then showers and possibly a thunderstorm after 5pm. High near 57. Calm wind becoming south 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 possibly a thunderstorm. Low around 41. Northwest wind around 6 mph becoming light and variable. Chance of precipitation is 80%. New rainfall 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 northwest wind around 6 mph. Chance of precipitation is 100%.

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 38. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.

Monday

A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 57.

Monday Night

Partly cloudy, with a low around 41.

Tuesday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 64.

Tuesday Night

A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 44.

Wednesday

A slight chance of showers and thunderstorms. Sunny, with a high near 64.

Wednesday Night

Mostly clear, with a low around 43.