Red Flag Warning
2026-08-03T03:00:00-06:00

* IMPACTS: Low humidities, hot temperatures, gusty winds, and a wind shift with a cold front will create erratic fire behavior. * AFFECTED AREA: In North Central WY Fire Zones...274...284. In South Central MT Fire Zones...123...124...125...126...127 128...129. In Southeast MT Fire Zones...130...131...132. * COUNTIES AFFECTED: In Central MT...Golden Valley...Musselshell...Wheatland. In North Central WY...Big Horn...Johnson...Sheridan...Washakie. In South Central MT...Big Horn...Carbon...Park...Stillwater Sweet Grass...Yellowstone. In Southeast MT...Custer...Powder River...Rosebud...Treasure. In Southwest MT...Gallatin. * WIND: North to east 10 to 15 mph with gusts to 25 mph over the plains and southwest 10 to 20 mph with gusts to 35 mph over the mountains this afternoon, becoming north 15 to 20 mph with gusts up to 30 mph across the area this evening into tonight, with locally stronger gusts near the mountains. * HUMIDITY: As low as 10 to 20 percent. * TEMPERATURES: 80 to 95 degrees. * COLD FRONT: A cold front will move through the area this evening into tonight shifting winds out of the north.

Tongue River At Monarch, Wy Historical Data

Historical Data


Streamflow Range


Date Average 2018 2017 2016 2015 2014 2013 2012 2011
02-12 99.0
02-13 95.0
02-14 92.0
02-15 92.0
02-16 99.0
02-17 95.0
02-18 86.0
02-19 82.0
02-20 99.0
02-21 112.0
02-25 108.0
03-02 66.0
03-03 71.0
03-04 71.0
03-05 69.0
03-06 66.0
03-07 71.0
03-08 93.5
03-09 84.0
03-10 99.33
03-11 99.67
03-12 99.67
03-13 94.67
03-14 92.33
03-15 92.33
03-16 108.75
03-17 111.0
03-18 106.6
03-19 104.8
03-20 108.75
03-21 92.8
03-22 103.5
03-23 102.83
03-24 211.86
03-25 181.43
03-26 184.0
03-27 172.0
03-28 163.43
03-29 174.57
03-30 170.0
03-31 187.67
04-01 267.71
04-02 206.57
04-03 143.43
04-04 121.71
04-05 125.14
04-06 141.57
04-07 129.0
04-08 125.86
04-09 148.67
04-10 167.33
04-11 176.5
04-12 175.17
04-13 171.14
04-14 159.14
04-15 161.5
04-16 171.33
04-17 167.83
04-18 174.8
04-19 163.5
04-20 166.5
04-21 153.86
04-22 167.14
04-23 179.67
04-24 199.57
04-25 276.83
04-26 292.57
04-27 313.71
04-28 457.0
04-29 366.43
04-30 314.0
05-01 283.75
05-02 214.71
05-03 213.86
05-04 249.25
05-05 286.5
05-06 332.38
05-07 367.88
05-08 364.43
05-09 445.13
05-10 433.57
05-11 501.75
05-12 497.0
05-13 478.5
05-14 370.14
05-15 526.0
05-16 565.25
05-17 591.38
05-18 654.75
05-19 685.5
05-20 717.63
05-21 1086.13
05-22 1138.5
05-23 1020.5
05-24 968.0
05-25 1231.63
05-26 1217.63
05-27 1150.88
05-28 1006.43
05-29 1304.86
05-30 1265.14
05-31 1357.63
06-01 1207.0
06-02 1190.25
06-03 1198.13
06-04 1185.25
06-05 1103.25
06-06 1093.5
06-07 1124.5
06-08 1158.5
06-09 1126.88
06-10 1115.63
06-11 1035.13
06-12 997.57
06-13 952.43
06-14 911.29
06-15 870.13
06-16 831.75
06-17 846.63
06-18 809.88
06-19 810.43
06-20 784.14
06-21 746.29
06-22 714.14
06-23 696.29
06-24 726.14
06-25 733.57
06-26 684.57
06-27 670.14
06-28 634.71
06-29 601.14
06-30 589.71
07-01 603.71
07-02 552.57
07-03 546.33
07-04 506.17
07-05 427.14
07-06 414.57
07-07 450.17
07-08 415.67
07-09 394.67
07-10 308.86
07-11 302.14
07-12 315.67
07-13 263.71
07-14 256.43
07-15 229.71
07-16 207.0
07-17 195.29
07-18 181.43
07-19 163.71
07-20 158.86
07-21 144.57
07-22 144.57
07-23 132.2
07-24 128.87
07-25 114.73
07-26 110.74
07-27 107.0
07-28 103.57
07-29 97.14
07-30 102.78
07-31 100.57
08-01 96.63
08-02 94.0
08-03 102.17
08-04 120.23
08-05 88.91
08-06 94.86
08-07 92.41
08-08 90.38
08-09 85.58
08-10 91.42
08-11 91.17
08-12 87.7
08-13 84.59
08-14 84.94
08-15 93.67
08-16 92.0
08-17 96.0
08-18 86.0
08-19 83.83
08-20 90.94
08-21 83.22
08-22 80.8
08-23 79.87
08-24 88.22
08-25 78.88
08-26 75.74
08-27 74.53
08-28 71.84
08-29 73.41
08-30 74.19
08-31 73.19
09-01 72.81
09-02 77.96
09-03 75.39
09-04 71.11
09-05 73.97
09-06 79.96
09-07 77.96
09-08 77.67
09-09 77.13
09-10 76.64
09-11 80.82
09-12 87.41
09-13 83.53
09-14 90.13
09-15 102.94
09-16 133.29
09-17 112.29
09-18 103.0
09-19 104.0
09-20 102.86
09-21 101.43
09-22 101.83
09-23 99.86
09-24 102.71
09-25 188.71
09-26 119.71
09-27 113.86
09-28 117.0
09-29 112.71
09-30 118.17
10-01 113.71
10-02 112.14
10-03 109.43
10-04 118.86
10-05 131.14
10-06 119.71
10-07 123.29
10-08 143.57
10-09 135.0
10-10 122.43
10-11 116.1
10-12 120.29
10-13 120.43
10-14 116.86
10-15 124.43
10-16 116.57
10-17 117.57
10-18 128.57
10-19 119.86
10-20 115.86
10-21 119.71
10-22 117.57
10-23 113.03
10-24 113.57
10-25 110.17
10-26 118.0
10-27 112.5
10-28 104.65
10-29 109.14
10-30 116.43
10-31 111.44
11-01 119.0
11-02 138.2
11-03 110.17
11-04 113.33
11-05 106.86
11-06 102.89
11-07 96.97
11-08 95.76
11-09 101.2
11-10 107.17
11-11 110.0
11-12 107.78
11-13 105.28
11-14 107.12
11-15 109.8
11-16 100.85
11-17 105.75
11-18 113.67
11-19 87.08
11-20 91.1
11-21 97.33
11-22 96.33
11-23 120.33
11-24 90.0
11-25 92.0
11-26 94.8
11-27 99.0
11-28 104.5
11-29 89.05
11-30 66.7
12-01 75.5
12-02 84.3
12-03 92.77
12-04 96.65
12-05 207.1
12-06 78.2
12-16 88.2
12-17 92.4
12-18 70.9
12-19 96.7
12-20 108.0
12-21 88.2

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index