Overview Realtime Historical Map View
Heat Advisory
2026-07-21T00:00:00-06:00

* WHAT...Hazardous temperatures in excess of 100 degrees are forecast to develop Monday afternoon across valley locations in northwest Utah, particularly along the northern Wasatch Front and the Great Salt Lake Desert. * WHERE...Eastern Box Elder County, Great Salt Lake Desert and Mountains, Northern Wasatch Front, Salt Lake Valley, and Tooele and Rush Valleys. * WHEN...From noon Monday to midnight MDT Monday Night. * IMPACTS...Low temperatures into Monday morning will stay elevated in the upper 60s to mid 70s for most lower valley locations, offering little relief overnight.

South Willow Creek Near Grantsville, Ut Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 2.33
01-02 2.3
01-03 2.31
01-04 2.33
01-05 2.31
01-06 2.32
01-07 2.3
01-08 2.27
01-09 2.28
01-10 2.24
01-11 2.21
01-12 2.22
01-13 2.16
01-14 2.17
01-15 2.2
01-16 2.2
01-17 2.22
01-18 2.23
01-19 2.24
01-20 2.2
01-21 2.18
01-22 2.2
01-23 2.19
01-24 2.21
01-25 2.18
01-26 2.18
01-27 2.19
01-28 2.16
01-29 2.15
01-30 2.22
01-31 2.23
02-01 2.25
02-02 2.24
02-03 2.33
02-04 2.26
02-05 2.23
02-06 2.37
02-07 2.2
02-08 2.17
02-09 2.2
02-10 2.2
02-11 2.13
02-12 2.19
02-13 2.2
02-14 2.2
02-15 2.24
02-16 2.26
02-17 2.23
02-18 2.27
02-19 2.28
02-20 2.18
02-21 2.29
02-22 2.24
02-23 2.25
02-24 2.23
02-25 2.29
02-26 2.3
02-27 2.38
02-28 2.33
02-29 2.84
03-01 2.46
03-02 2.52
03-03 2.53
03-04 2.5
03-05 2.48
03-06 2.55
03-07 2.6
03-08 2.54
03-09 2.55
03-10 2.55
03-11 2.58
03-12 2.6
03-13 2.64
03-14 2.72
03-15 2.79
03-16 2.75
03-17 2.82
03-18 2.96
03-19 3.6
03-20 3.7
03-21 3.75
03-22 4.04
03-23 4.15
03-24 4.29
03-25 4.34
03-26 4.22
03-27 4.31
03-28 4.23
03-29 4.29
03-30 4.25
03-31 4.38
04-01 4.36
04-02 4.47
04-03 4.49
04-04 4.59
04-05 4.63
04-06 4.45
04-07 4.86
04-08 5.2
04-09 4.73
04-10 5.76
04-11 6.1
04-12 6.23
04-13 6.4
04-14 6.83
04-15 6.47
04-16 6.63
04-17 6.17
04-18 6.58
04-19 6.55
04-20 6.94
04-21 7.7
04-22 7.91
04-23 7.81
04-24 7.68
04-25 8.35
04-26 8.31
04-27 12.39
04-28 12.71
04-29 11.69
04-30 9.62
05-01 9.7
05-02 11.13
05-03 10.36
05-04 11.45
05-05 11.72
05-06 11.82
05-07 11.82
05-08 12.38
05-09 14.32
05-10 14.79
05-11 13.72
05-12 14.44
05-13 13.89
05-14 12.89
05-15 14.16
05-16 16.62
05-17 17.53
05-18 16.56
05-19 17.94
05-20 16.62
05-21 14.94
05-22 15.12
05-23 14.33
05-24 13.03
05-25 15.37
05-26 16.58
05-27 16.35
05-28 15.22
05-29 14.89
05-30 14.68
05-31 14.4
06-01 14.76
06-02 14.16
06-03 15.84
06-04 15.67
06-05 14.4
06-06 14.1
06-07 14.56
06-08 18.91
06-09 16.06
06-10 15.19
06-11 15.45
06-12 16.14
06-13 18.03
06-14 14.28
06-15 13.65
06-16 13.43
06-17 14.4
06-18 13.37
06-19 12.55
06-20 11.66
06-21 11.83
06-22 11.49
06-23 10.58
06-24 9.97
06-25 9.44
06-26 9.23
06-27 8.96
06-28 8.98
06-29 8.76
06-30 8.6
07-01 7.46
07-02 7.35
07-03 7.46
07-04 6.78
07-05 7.22
07-06 7.05
07-07 8.53
07-08 8.4
07-09 7.83
07-10 8.26
07-11 8.01
07-12 7.78
07-13 5.17
07-14 5.59
07-15 7.28
07-16 7.48
07-17 7.04
07-18 6.99
07-19 6.51
07-20 6.8
07-21 6.74
07-22 6.51
07-23 6.48
07-24 6.14
07-25 6.03
07-26 5.67
07-27 5.6
07-28 5.4
07-29 5.34
07-30 5.39
07-31 5.08
08-01 4.96
08-02 5.03
08-03 5.19
08-04 4.8
08-05 4.77
08-06 4.73
08-07 4.58
08-08 4.71
08-09 4.56
08-10 4.54
08-11 5.68
08-12 4.75
08-13 4.78
08-14 4.6
08-15 4.53
08-16 4.05
08-17 3.99
08-18 4.14
08-19 4.46
08-20 4.43
08-21 4.39
08-22 4.42
08-23 4.19
08-24 3.74
08-25 3.2
08-26 3.62
08-27 3.69
08-28 3.61
08-29 3.63
08-30 3.53
08-31 3.24
09-01 3.54
09-02 3.48
09-03 3.47
09-04 3.36
09-05 3.31
09-06 3.23
09-07 3.23
09-08 3.29
09-09 3.27
09-10 3.2
09-11 3.21
09-12 3.65
09-13 2.95
09-14 3.1
09-15 3.08
09-16 3.11
09-17 3.13
09-18 3.11
09-19 3.1
09-20 3.11
09-21 3.1
09-22 3.18
09-23 3.1
09-24 3.18
09-25 3.2
09-26 3.08
09-27 3.1
09-28 3.13
09-29 3.14
09-30 3.2
10-01 3.37
10-02 3.2
10-03 3.19
10-04 3.14
10-05 3.08
10-06 3.05
10-07 3.0
10-08 3.0
10-09 2.99
10-10 2.97
10-11 2.96
10-12 2.99
10-13 2.99
10-14 3.05
10-15 3.05
10-16 3.04
10-17 3.0
10-18 2.91
10-19 2.87
10-20 3.0
10-21 2.98
10-22 2.96
10-23 3.04
10-24 3.07
10-25 2.97
10-26 2.86
10-27 2.88
10-28 2.84
10-29 2.9
10-30 2.9
10-31 2.91
11-01 2.92
11-02 2.86
11-03 2.75
11-04 2.85
11-05 2.88
11-06 2.78
11-07 2.76
11-08 2.72
11-09 2.79
11-10 2.76
11-11 2.69
11-12 2.67
11-13 2.69
11-14 2.78
11-15 2.75
11-16 2.67
11-17 2.73
11-18 2.68
11-19 2.67
11-20 2.62
11-21 2.59
11-22 2.71
11-23 2.52
11-24 2.53
11-25 2.44
11-26 2.52
11-27 2.48
11-28 2.51
11-29 2.48
11-30 2.47
12-01 2.46
12-02 2.43
12-03 2.47
12-04 2.45
12-05 2.51
12-06 2.48
12-07 2.4
12-08 2.38
12-09 2.4
12-10 2.35
12-11 2.35
12-12 2.35
12-13 2.38
12-14 2.33
12-15 2.34
12-16 2.43
12-17 2.28
12-18 2.31
12-19 2.31
12-20 2.34
12-21 2.35
12-22 2.36
12-23 2.36
12-24 2.38
12-25 2.41
12-26 2.32
12-27 2.35
12-28 2.35
12-29 2.36
12-30 2.36
12-31 2.36

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index