Overview Realtime Historical Map View
Heat Advisory
2026-07-16T21:00:00-05:00

* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 100. For the Heat Advisory, heat index values up to 95 expected. * WHERE...Portions of central, south central, southeast, southwest, and west central Minnesota and west central Wisconsin. * WHEN...For the Extreme Heat Warning, until 9 PM CDT this evening. For the Heat Advisory, from 9 PM this evening to 9 PM CDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Prolonged heat waves lead to cumulative heat stress for those who cannot adequately cool down and recover each night. Cumulative heat stress significantly increases the risk of heat exhaustion and heat stroke as time goes on.

Minnesota River At Mankato, Mn 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 4510.0
01-02 4375.0
01-03 4285.0
01-04 4390.0
01-05 4460.0
01-06 4795.0
01-07 5160.0
01-08 3140.0
01-09 3150.0
01-10 3030.0
01-11 3140.0
01-12 3060.0
01-13 2950.0
01-14 3170.0
01-15 3720.0
02-27 285.0
02-28 282.0
03-01 282.0
03-03 4551.0
03-04 8760.0
03-05 5460.0
03-06 3559.5
03-07 4840.0
03-08 5163.33
03-09 5600.0
03-10 6530.0
03-11 5405.0
03-12 4415.0
03-13 4443.33
03-14 7174.29
03-15 6728.75
03-16 6770.0
03-17 6632.22
03-18 6228.89
03-19 6226.0
03-20 5925.56
03-21 6498.0
03-22 4844.44
03-23 11921.67
03-24 11720.83
03-25 11676.67
03-26 11621.67
03-27 11789.17
03-28 12075.83
03-29 11933.85
03-30 12599.17
03-31 12415.0
04-01 12699.23
04-02 12860.77
04-03 12612.31
04-04 12425.71
04-05 12045.0
04-06 11512.86
04-07 11452.0
04-08 11204.0
04-09 8547.14
04-10 10853.33
04-11 11181.54
04-12 10892.14
04-13 10957.86
04-14 11136.43
04-15 11933.85
04-16 12446.15
04-17 12769.23
04-18 13749.17
04-19 14052.5
04-20 13576.92
04-21 13198.57
04-22 14142.31
04-23 14527.69
04-24 14392.86
04-25 12803.08
04-26 14685.0
04-27 14522.14
04-28 14267.14
04-29 14326.43
04-30 14352.86
05-01 15167.33
05-02 15235.71
05-03 14811.43
05-04 14321.43
05-05 13926.67
05-06 13444.0
05-07 13342.67
05-08 12972.86
05-09 12972.0
05-10 12182.86
05-11 12818.67
05-12 13240.67
05-13 13786.0
05-14 14312.14
05-15 15134.29
05-16 15453.57
05-17 15763.57
05-18 15399.33
05-19 15587.33
05-20 16021.43
05-21 14949.33
05-22 15341.43
05-23 15300.0
05-24 15005.0
05-25 14615.33
05-26 14558.0
05-27 14502.0
05-28 14553.33
05-29 15268.57
05-30 15493.57
05-31 15150.67
06-01 14764.0
06-02 14305.33
06-03 14093.33
06-04 13704.67
06-05 13625.0
06-06 12962.86
06-07 12346.43
06-08 11250.0
06-09 11165.33
06-10 11316.0
06-11 11246.0
06-12 11286.43
06-13 11163.57
06-14 11310.71
06-15 11514.67
06-16 12009.33
06-17 12578.67
06-18 13419.33
06-19 13882.14
06-20 14374.29
06-21 15190.71
06-22 16019.29
06-23 17886.15
06-24 18846.15
06-25 19344.62
06-26 19301.54
06-27 18210.0
06-28 17606.43
06-29 16822.14
06-30 16315.0
07-01 15611.43
07-02 15031.43
07-03 14916.43
07-04 14657.14
07-05 13466.0
07-06 13096.0
07-07 14523.57
07-08 14507.14
07-09 14137.86
07-10 13124.0
07-11 12461.33
07-12 11642.67
07-13 10044.29
07-14 10382.0
07-15 9899.33
07-16 10636.92
07-17 10022.14
07-18 9765.0
07-19 8551.54
07-20 8754.62
07-21 10246.43
07-22 10167.86
07-23 9731.5
07-24 9602.21
07-25 8254.69
07-26 9155.57
07-27 8947.29
07-28 8570.07
07-29 8128.36
07-30 7438.43
07-31 7332.64
08-01 6257.67
08-02 5963.71
08-03 5689.07
08-04 5412.93
08-05 5152.93
08-06 4870.71
08-07 4758.5
08-08 4782.31
08-09 4660.31
08-10 4261.08
08-11 4293.36
08-12 4524.0
08-13 4802.36
08-14 4816.14
08-15 4685.79
08-16 4426.08
08-17 4408.23
08-18 4985.92
08-19 5622.69
08-20 6499.0
08-21 6842.17
08-22 7177.45
08-23 6875.86
08-24 6408.85
08-25 6263.85
08-26 6668.29
08-27 6333.43
08-28 5982.64
08-29 5685.57
08-30 5293.07
08-31 5000.54
09-01 4811.43
09-02 4662.5
09-03 4422.21
09-04 4270.43
09-05 4157.64
09-06 4342.29
09-07 4729.79
09-08 4965.0
09-09 5040.71
09-10 4930.57
09-11 4730.71
09-12 4430.71
09-13 4455.29
09-14 4728.92
09-15 4632.54
09-16 4724.92
09-17 4867.31
09-18 4894.69
09-19 4900.08
09-20 4496.21
09-21 5097.71
09-22 5956.46
09-23 6737.36
09-24 7380.57
09-25 8224.62
09-26 8237.62
09-27 7924.54
09-28 8103.08
09-29 7010.0
09-30 6470.08
10-01 5066.82
10-02 4460.67
10-03 4270.46
10-04 4388.38
10-05 5360.79
10-06 6009.64
10-07 6675.43
10-08 7087.57
10-09 7178.5
10-10 7225.07
10-11 7525.14
10-12 7458.5
10-13 7340.07
10-14 7140.0
10-15 7374.54
10-16 6625.5
10-17 6825.54
10-18 6169.64
10-19 5912.64
10-20 5645.07
10-21 4445.42
10-22 5313.36
10-23 5380.07
10-24 5903.38
10-25 5890.23
10-26 5449.29
10-27 5693.07
10-28 5921.93
10-29 5966.43
10-30 5865.71
10-31 5739.36
11-01 5511.14
11-02 5547.08
11-03 5123.14
11-04 4969.86
11-05 4776.07
11-06 3823.23
11-07 3697.46
11-08 3628.15
11-09 3563.23
11-10 3478.15
11-11 3401.85
11-12 3409.23
11-13 3462.69
11-14 4027.86
11-15 4221.54
11-16 4187.62
11-17 4059.23
11-18 3902.58
11-19 3767.33
11-20 3704.58
11-21 3908.85
11-22 4211.0
11-23 4220.08
11-24 4435.0
11-25 4407.0
11-26 4425.18
11-27 4615.5
11-28 3997.1
11-29 4042.0
11-30 4038.6
12-01 4105.3
12-02 4101.8
12-03 4179.9
12-04 4176.5
12-05 4565.89
12-06 3535.38
12-07 4359.44
12-08 4723.25
12-09 5254.0
12-10 5161.5
12-11 4653.33
12-12 5875.17
12-13 2898.0
12-14 1992.33
12-15 2203.0
12-16 3560.0
12-17 7205.0
12-18 7470.0
12-19 7700.0
12-20 4170.0
12-21 4060.0
12-22 6215.0
12-23 5825.0
12-24 5630.0
12-25 5365.0
12-26 5145.0
12-27 4850.0
12-28 4600.0
12-29 3110.0
12-30 4285.0
12-31 4425.0

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index