Heat Builds in the West; Severe Thunderstorms and Heavy Rain in the Upper Midwest and Mid-Mississippi Valley; Extremely Critical Fire Weather in the Northwest on Saturday

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms and heavy rainfall are expected over parts of the Upper Midwest to mid-Mississippi Valley today. Critical to extremely critical fire weather conditions from the Northwest and the northern Great Basin on Saturday and Sunday. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Partly Cloudy

67°F

19°C

Humidity	81%
Wind Speed	N 6 mph
Barometer	30.04 in (1016.1 mb)
Dewpoint	61°F (16°C)
Visibility	10.00 mi
Last update	31 Jul 7:53 am EDT

More Information:

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

Extended Forecast for

Seymour TNSimilar City Names

Today
High: 88 °F
Mostly Sunny
Tonight
Low: 68 °F
Partly Cloudy
Saturday
High: 86 °F
Slight Chance
T-storms then
Chance
T-storms
Saturday Night
Low: 71 °F
Showers
Sunday
High: 86 °F
Chance
Showers then
Chance
T-storms
Sunday Night
Low: 69 °F
Chance
T-storms then
Chance
Showers
Monday
High: 85 °F
Chance
Showers then
Chance
T-storms
Monday Night
Low: 69 °F
Chance
T-storms
Tuesday
High: 86 °F
Chance
Showers then
Showers
Likely

Detailed Forecast

Today

Mostly sunny, with a high near 88. Northeast wind around 5 mph becoming calm in the morning.

Tonight

Partly cloudy, with a low around 68. Calm wind.

Saturday

A 50 percent chance of showers and thunderstorms, mainly before 4pm. Mostly cloudy, with a high near 86. Calm wind becoming south around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Showers and possibly a thunderstorm between 8pm and 5am, then showers after 5am. Low around 71. South wind around 5 mph. Chance of precipitation is 80%.

Sunday

A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 86. Southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

Sunday Night

A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

Monday

A slight chance of thunderstorms, then a chance of showers and thunderstorms after 8am. Partly sunny, with a high near 85. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 50%.

Monday Night

A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 69.

Tuesday

A chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 60%.

Tuesday Night

Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 70. Chance of precipitation is 60%.

Wednesday

Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 88. Chance of precipitation is 60%.

Wednesday Night

Showers and thunderstorms likely. Partly cloudy, with a low around 71. Chance of precipitation is 60%.

Thursday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.