TONIGHT: Scattered thunderstorms early, then mainly cloudy overnight with thunderstorms likely. Winds SSE at 10 to 20 mph. Chance of rain 70%.
Salt Lake Valley-
Including Salt Lake City, West Jordan, and Sandy
1244 PM MDT Tue Sep 15 2026
TONIGHT: Mostly cloudy with a chance of rain showers and a
slight chance of thunderstorms. Lows around 60. South winds 10 to
20 mph. Chance of precipitation 50 percent.
WEDNESDAY: Partly cloudy with a chance of rain showers and a
slight chance of thunderstorms in the morning, then sunny with a
slight chance of showers and thunderstorms in the afternoon.
Highs in the mid 80s. South winds 10 to 20 mph. Chance of
precipitation 40 percent.
WEDNESDAY NIGHT: A slight chance of showers and thunderstorms
in the evening, then a chance of rain showers and a slight chance
of thunderstorms after midnight. Mostly cloudy. Lows in the mid
60s. Chance of precipitation 40 percent.
THURSDAY: A chance of rain showers and a slight chance of
thunderstorms. Partly sunny in the morning then becoming partly
cloudy. Highs in the mid 80s. Chance of precipitation 50 percent.
THURSDAY NIGHT: Mostly cloudy with a chance of rain showers and
a slight chance of thunderstorms in the evening, then partly
cloudy with a slight chance of showers and thunderstorms after
midnight. Lows in the lower 60s. Chance of precipitation
30 percent.
FRIDAY: Partly cloudy with a chance of rain showers and a
slight chance of thunderstorms in the morning, then partly sunny
with a chance of showers and thunderstorms in the afternoon.
Highs around 80. Chance of precipitation 50 percent.
FRIDAY NIGHT AND SATURDAY: Mostly clear. Lows in the mid 50s.
Highs in the upper 70s.
SATURDAY NIGHT: Clear. Lows in the lower 50s.
SUNDAY: Sunny. Highs around 80.
SUNDAY NIGHT THROUGH TUESDAY: Partly cloudy. Lows in the mid
50s. Highs in the lower 80s.
NEARBY WEATHER STATIONS - Data
aggregated by Synoptic Data
Salt Lake City, Salt Lake City International Airport
2 miles away Elevation: 4226 Last
updated:
25 minutes ago
70
°
High: 77° Low: 52
° RH:
31%
Wind: S 5 Gust:
15
I15 500S WB (Gateway)
2 miles away Elevation: 4248 Last
updated:
25 minutes ago
71
°
High: 78° Low: 53
° RH:
35%
Wind: SE 1 Gust:
16
Capitol Hill
3 miles away Elevation: 4674 Last
updated:
25 minutes ago
69
°
High: 77° Low: 50
° RH:
39%
Wind: E 6 Gust:
17
Bonneville Shoreline
3 miles away Elevation: 5173 Last
updated:
25 minutes ago
68
°
High: 75° Low: 55
° RH:
36%
Wind: E 5 Gust:
14
Upper Avenues
4 miles away Elevation: 4842 Last
updated:
25 minutes ago
69
°
High: 76° Low: 53
° RH:
34%
Wind: NW 4 Gust:
10
* Weather data is gathered by publicly operated stations. KSL is not responsible for inaccurate information.
Updated: Tuesday September 15, 2026 5:49 pm
Outlook
Widespread thunderstorm activity is expected across eastern and southern Utah Wednesday with heavy rain and flash flooding possible. Isolated storms will be possible across northern Utah overnight and throughout the day tomorrow. One high resolution models shows a slight uptick in storms Wednesday evening. Also, models show a cluster of storms impacting southwest Utah, including St. George, after 4pm tomorrow. These storms may continue overnight into Thursday morning. Any storms across northern Utah Wednesday around the Wasatch Back, Western Uintas and southern half of the Wasatch Front will have a chance to be strong to severe - producing wind gusts up to 60 mph and hail up to an inch. Active weather is likely to continue through Thursday and Friday, especially across the eastern half of the state. - Devan Masciulli, KSL Weather 9.15.26
Widespread thunderstorm activity is expected across eastern and southern Utah Wednesday with heavy rain and flash flooding possible. Isolated storms will be possible across northern Utah overnight and throughout the day tomorrow. One high resolution models shows a slight uptick in storms Wednesday evening. Also, models show a cluster of storms impacting southwest Utah, including St. George, after 4pm tomorrow. These storms may continue overnight into Thursday morning. Any storms across northern Utah Wednesday around the Wasatch Back, Western Uintas and southern half of the Wasatch Front will have a chance to be strong to severe - producing wind gusts up to 60 mph and hail up to an inch. Active weather is likely to continue through Thursday and Friday, especially across the eastern half of the state. - Devan Masciulli, KSL Weather 9.15.26