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

Slickrock Wilderness NC

Today
High: 75 °F
Partly Sunny
Tonight
Low: 62 °F
Partly Cloudy
Saturday
High: 70 °F
Partly Sunny
then Showers
Likely
Saturday Night
Low: 63 °F
Showers
Sunday
High: 70 °F
Showers
Likely
Sunday Night
Low: 62 °F
Chance
T-storms then
Slight Chance
Showers
Monday
High: 70 °F
Showers
Likely
Monday Night
Low: 62 °F
Showers
Likely then
Partly Cloudy
Tuesday
High: 71 °F
Chance
T-storms then
Showers
Likely

Detailed Forecast

Today

Partly sunny, with a high near 75. South wind around 5 mph becoming calm in the morning.

Tonight

Partly cloudy, with a low around 62. Calm wind becoming south around 5 mph after midnight.

Saturday

Showers and thunderstorms likely before 4pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 70. South wind around 9 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday Night

A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 5am, then showers after 5am. Low around 63. South southeast wind 8 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 70. South southwest wind around 8 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

Sunday Night

A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.

Monday

Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 70. Chance of precipitation is 60%.

Monday Night

Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm. Partly cloudy, with a low around 62. Chance of precipitation is 60%.

Tuesday

A chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 71. Chance of precipitation is 70%.

Tuesday Night

Showers likely before 8pm. Partly cloudy, with a low around 63. Chance of precipitation is 60%.

Wednesday

Showers likely and possibly a thunderstorm. Partly sunny, with a high near 72. Chance of precipitation is 70%.

Wednesday Night

Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 64. Chance of precipitation is 60%.

Thursday

Showers likely and possibly a thunderstorm. Partly sunny, with a high near 73. Chance of precipitation is 60%.